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# Emerging Threats
#
# This distribution may contain rules under two different licenses.
#
# Rules with sids 1 through 3464, and 100000000 through 100000908 are under the GPLv2.
# A copy of that license is available at http://www.gnu.org/licenses/gpl-2.0.html
#
# Rules with sids 2000000 through 2799999 are from Emerging Threats and are covered under the BSD License
# as follows:
#
#*************************************************************
# Copyright (c) 2003-2017, Emerging Threats
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without modification, are permitted provided that the
# following conditions are met:
#
# * Redistributions of source code must retain the above copyright notice, this list of conditions and the following
# disclaimer.
# * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the
# following disclaimer in the documentation and/or other materials provided with the distribution.
# * Neither the name of the nor the names of its contributors may be used to endorse or promote products derived
# from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS AS IS AND ANY EXPRESS OR IMPLIED WARRANTIES,
# INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
# USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
#*************************************************************
#
#
#
#
# This Ruleset is EmergingThreats Open optimized for suricata-1.3-enhanced.
#alert udp any any -> any 53 (msg:"ET DOS DNS BIND 9 Dynamic Update DoS attempt"; byte_test:1,&,40,2; byte_test:1,>,0,5; byte_test:1,>,0,1; content:"|00 00 06|"; offset:8; content:"|c0 0c 00 ff|"; distance:2; reference:cve,2009-0696; reference:url,doc.emergingthreats.net/2009701; classtype:attempted-dos; sid:2009701; rev:2; metadata:created_at 2010_07_30, updated_at 2010_07_30;)
#alert tcp $EXTERNAL_NET any -> $HOME_NET [22,23,80,443,10000] (msg:"ET DOS Possible Cisco PIX/ASA Denial Of Service Attempt (Hping Created Packets)"; flow:to_server; content:"|58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58|"; depth:40; content:"|58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58|"; distance:300; isdataat:300,relative; threshold: type threshold, track by_src, count 60, seconds 80; reference:url,www.securityfocus.com/bid/34429/info; reference:url,www.securityfocus.com/bid/34429/exploit; reference:url,www.cisco.com/en/US/products/products_applied_mitigation_bulletin09186a0080a99518.html; reference:cve,2009-1157; reference:url,doc.emergingthreats.net/2010624; classtype:attempted-dos; sid:2010624; rev:3; metadata:created_at 2010_07_30, updated_at 2010_07_30;)
#alert tcp $EXTERNAL_NET any -> $HOME_NET 5060 (msg:"ET DOS Possible Cisco ASA 5500 Series Adaptive Security Appliance Remote SIP Inspection Device Reload Denial of Service Attempt"; flow:established,to_server; content:"REGISTER"; depth:8; nocase; isdataat:400,relative; pcre:"/REGISTER.{400}/smi"; reference:url,tools.cisco.com/security/center/viewAlert.x?alertId=19915; reference:cve,2010-0569; reference:url,doc.emergingthreats.net/2010817; classtype:attempted-dos; sid:2010817; rev:3; metadata:created_at 2010_07_30, updated_at 2010_07_30;)
#alert udp $EXTERNAL_NET any -> $HOME_NET 514 (msg:"ET DOS Cisco 514 UDP flood DoS"; content:"|25 25 25 25 25 58 58 25 25 25 25 25|"; reference:url,www.cisco.com/warp/public/707/IOS-cbac-dynacl-pub.shtml; reference:url,doc.emergingthreats.net/bin/view/Main/2000010; classtype:attempted-dos; sid:2000010; rev:11; metadata:created_at 2010_07_30, updated_at 2010_07_30;)
#alert tcp $EXTERNAL_NET any -> $HOME_NET 23 (msg:"ET DOS Catalyst memory leak attack"; flow: to_server,established; content:"|41 41 41 0a|"; depth: 20; reference:url,www.cisco.com/en/US/products/products_security_advisory09186a00800b138e.shtml; reference:url,doc.emergingthreats.net/bin/view/Main/2000011; classtype:attempted-dos; sid:2000011; rev:8; metadata:created_at 2010_07_30, updated_at 2010_07_30;)
#alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET DOS Cisco Router HTTP DoS"; flow:to_server,established; content:"/%%"; http_uri; reference:url,www.cisco.com/warp/public/707/cisco-sn-20040326-exploits.shtml; classtype:attempted-dos; sid:2000006; rev:13; metadata:created_at 2010_07_30, updated_at 2010_07_30;)
alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET DOS Cisco 4200 Wireless Lan Controller Long Authorisation Denial of Service Attempt"; flow:to_server,established; content:"GET"; http_method; nocase; content:"/screens/frameset.html"; fast_pattern; http_uri; nocase; content:"Authorization|3A 20|Basic"; nocase; content:!"|0a|"; distance:2; within:118; isdataat:120,relative; pcre:"/^Authorization\x3A Basic.{120}/Hmi"; reference:url,www.securityfocus.com/bid/35805; reference:url,www.cisco.com/warp/public/707/cisco-amb-20090727-wlc.shtml; reference:cve,2009-1164; reference:url,doc.emergingthreats.net/2010674; classtype:attempted-dos; sid:2010674; rev:7; metadata:created_at 2010_07_30, updated_at 2010_07_30;)
alert tcp $EXTERNAL_NET any -> $HOME_NET 6014 (msg:"ET DOS IBM DB2 kuddb2 Remote Denial of Service Attempt"; flow:established,to_server; content:"|00 05 03 31 41|"; reference:url,www.securityfocus.com/bid/38018; reference:url,intevydis.blogspot.com/2010/01/ibm-db2-97-kuddb2-dos.html; reference:url,doc.emergingthreats.net/2010755; classtype:attempted-dos; sid:2010755; rev:4; metadata:created_at 2010_07_30, updated_at 2010_07_30;)
#alert tcp $EXTERNAL_NET any -> $HOME_NET 2049 (msg:"ET DOS FreeBSD NFS RPC Kernel Panic"; flow:to_server,established; content:"|00 01 86 a5|"; offset:16; depth:4; content:"|00 00 00 01|"; distance:4; within:4; content:"|00 00 00 00|"; offset:8; depth:4; content:"|00 00 00 00 00 00|"; offset:0; depth:6; reference:cve,2006-0900; reference:bugtraq,19017; reference:url,doc.emergingthreats.net/bin/view/Main/2002853; classtype:attempted-dos; sid:2002853; rev:5; metadata:created_at 2010_07_30, updated_at 2010_07_30;)
#alert tcp $EXTERNAL_NET any -> $HOME_NET 1755 (msg:"ET DOS Microsoft Streaming Server Malformed Request"; flow:established,to_server; content:"MSB "; depth:4; content:"|06 01 07 00 24 00 00 40 00 00 00 00 00 00 01 00 00 00|"; distance:0; within:18; reference:bugtraq,1282; reference:url,www.microsoft.com/technet/security/bulletin/ms00-038.mspx; reference:url,doc.emergingthreats.net/bin/view/Main/2002843; classtype:attempted-dos; sid:2002843; rev:4; metadata:created_at 2010_07_30, updated_at 2010_07_30;)
#alert icmp $EXTERNAL_NET any -> $HOME_NET any (msg:"ET DOS ICMP Path MTU lowered below acceptable threshold"; itype: 3; icode: 4; byte_test:2,<,576,6; byte_test:2,!=,0,7; reference:cve,CAN-2004-1060; reference:url,www.microsoft.com/technet/security/bulletin/MS05-019.mspx; reference:url,isc.sans.org/diary.php?date=2005-04-12; reference:url,doc.emergingthreats.net/bin/view/Main/2001882; classtype:denial-of-service; sid:2001882; rev:10; metadata:created_at 2010_07_30, updated_at 2010_07_30;)
#alert tcp $EXTERNAL_NET any -> $SQL_SERVERS 1433 (msg:"ET DOS Possible Microsoft SQL Server Remote Denial Of Service Attempt"; flow: established,to_server; content:"|10 00 00 10 cc|"; depth:5; reference:bugtraq,11265; reference:url,doc.emergingthreats.net/bin/view/Main/2001366; classtype:attempted-dos; sid:2001366; rev:10; metadata:created_at 2010_07_30, updated_at 2010_07_30;)
#alert tcp $EXTERNAL_NET any -> $HOME_NET 445 (msg:"ET DOS NetrWkstaUserEnum Request with large Preferred Max Len"; flow:established,to_server; content:"|ff|SMB"; content:"|10 00 00 00|"; distance:0; content:"|02 00|"; distance:14; within:2; byte_jump:4,12,relative,little,multiplier 2; content:"|00 00 00 00 00 00 00 00|"; distance:12; within:8; byte_test:4,>,2,0,relative; reference:cve,2006-6723; reference:url,doc.emergingthreats.net/bin/view/Main/2003236; classtype:attempted-dos; sid:2003236; rev:4; metadata:created_at 2010_07_30, updated_at 2010_07_30;)
#alert tcp $EXTERNAL_NET any -> $SMTP_SERVERS 25 (msg:"ET DOS Excessive SMTP MAIL-FROM DDoS"; flow: to_server, established; content:"MAIL FROM|3a|"; nocase; window: 0; id:0; threshold: type limit, track by_src, count 30, seconds 60; reference:url,doc.emergingthreats.net/bin/view/Main/2001795; classtype:denial-of-service; sid:2001795; rev:9; metadata:created_at 2010_07_30, updated_at 2010_07_30;)
alert tcp $EXTERNAL_NET any -> $HOME_NET 3306 (msg:"ET DOS Possible MYSQL GeomFromWKB() function Denial Of Service Attempt"; flow:to_server,established; content:"SELECT"; nocase; content:"geometrycollectionfromwkb"; distance:0; nocase; pcre:"/SELECT.+geometrycollectionfromwkb/si"; reference:url,www.securityfocus.com/bid/37297/info; reference:url,marc.info/?l=oss-security&m=125881733826437&w=2; reference:url,downloads.securityfocus.com/vulnerabilities/exploits/37297.txt; reference:cve,2009-4019; reference:url,doc.emergingthreats.net/2010491; classtype:attempted-dos; sid:2010491; rev:2; metadata:created_at 2010_07_30, updated_at 2010_07_30;)
#alert tcp $EXTERNAL_NET any -> $HOME_NET 3306 (msg:"ET DOS Possible MYSQL SELECT WHERE to User Variable Denial Of Service Attempt"; flow:to_server,established; content:"SELECT"; nocase; content:"WHERE"; distance:0; nocase; content:"SELECT"; nocase; content:"INTO"; distance:0; nocase; content:"|60|"; within:50; content:"|60|"; pcre:"/SELECT.+WHERE.+SELECT.+\x60/si"; reference:url,www.securityfocus.com/bid/37297/info; reference:url,marc.info/?l=oss-security&m=125881733826437&w=2; reference:url,downloads.securityfocus.com/vulnerabilities/exploits/37297-2.txt; reference:cve,2009-4019; reference:url,doc.emergingthreats.net/2010492; classtype:attempted-dos; sid:2010492; rev:3; metadata:created_at 2010_07_30, updated_at 2010_07_30;)
alert tcp $EXTERNAL_NET any -> $HOME_NET 3306 (msg:"ET DOS Possible MySQL ALTER DATABASE Denial Of Service Attempt"; flow:established,to_server; content:"ALTER "; nocase; content:"DATABASE"; nocase; within:12; content:"|22|."; distance:0; content:"UPGRADE "; nocase; distance:0; content:"DATA"; nocase; within:8; pcre:"/ALTER.+DATABASE.+\x22\x2E(\x22|\x2E\x22|\x2E\x2E\x2F\x22).+UPGRADE.+DATA/si"; reference:url,securitytracker.com/alerts/2010/Jun/1024160.html; reference:url,dev.mysql.com/doc/refman/5.1/en/alter-database.html; reference:cve,2010-2008; reference:url,doc.emergingthreats.net/2011761; classtype:attempted-dos; sid:2011761; rev:2; metadata:created_at 2010_07_30, updated_at 2010_07_30;)
alert http $EXTERNAL_NET any -> $HOME_NET $HTTP_PORTS (msg:"ET DOS Netgear DG632 Web Management Denial Of Service Attempt"; flow:established,to_server; content:"POST"; http_method; content:"/cgi-bin/firmwarecfg"; http_uri; nocase; reference:url, securitytracker.com/alerts/2009/Jun/1022403.html; reference:cve,2009-2256; reference:url,doc.emergingthreats.net/2010554; classtype:attempted-dos; sid:2010554; rev:4; metadata:created_at 2010_07_30, updated_at 2010_07_30;)
#alert tcp $EXTERNAL_NET any -> $HOME_NET $HTTP_PORTS (msg:"ET DOS Large amount of TCP ZeroWindow - Possible Nkiller2 DDos attack"; flags:A; window:0; threshold: type both, track by_src, count 100, seconds 60; reference:url,doc.emergingthreats.net/2009414; classtype:attempted-dos; sid:2009414; rev:4; metadata:created_at 2010_07_30, updated_at 2010_07_30;)
alert udp $EXTERNAL_NET 123 -> $HOME_NET 123 (msg:"ET DOS Potential Inbound NTP denial-of-service attempt (repeated mode 7 request)"; dsize:1; content:"|17|"; threshold:type limit, count 1, seconds 60, track by_src; reference:url,www.kb.cert.org/vuls/id/568372; reference:cve,2009-3563; reference:url,doc.emergingthreats.net/2010486; classtype:attempted-dos; sid:2010486; rev:2; metadata:created_at 2010_07_30, updated_at 2010_07_30;)
alert udp $EXTERNAL_NET 123 -> $HOME_NET 123 (msg:"ET DOS Potential Inbound NTP denial-of-service attempt (repeated mode 7 reply)"; dsize:4; content:"|97 00 00 00|"; threshold:type limit, count 1, seconds 60, track by_src; reference:url,www.kb.cert.org/vuls/id/568372; reference:cve,2009-3563; reference:url,doc.emergingthreats.net/2010487; classtype:attempted-dos; sid:2010487; rev:2; metadata:created_at 2010_07_30, updated_at 2010_07_30;)
#alert udp $EXTERNAL_NET any -> $HOME_NET 69 (msg:"ET DOS Possible SolarWinds TFTP Server Read Request Denial Of Service Attempt"; content:"|00 01 01|"; depth:3; content:"NETASCII"; reference:url,www.exploit-db.com/exploits/12683/; reference:url,doc.emergingthreats.net/2011673; classtype:attempted-dos; sid:2011673; rev:3; metadata:created_at 2010_07_30, updated_at 2010_07_30;)
#alert udp $EXTERNAL_NET any -> $HOME_NET 69 (msg:"ET DOS SolarWinds TFTP Server Long Write Request Denial Of Service Attempt"; content:"|00 02|"; depth:2; isdataat:1000,relative; content:!"|0A|"; within:1000; content:"NETASCII"; distance:1000; reference:url,www.exploit-db.com/exploits/13836/; reference:url,doc.emergingthreats.net/2011674; classtype:attempted-dos; sid:2011674; rev:3; metadata:created_at 2010_07_30, updated_at 2010_07_30;)
alert tcp $EXTERNAL_NET any -> $HOME_NET 5900 (msg:"ET DOS Possible VNC ClientCutText Message Denial of Service/Memory Corruption Attempt"; flow:established,to_server; content:"|06|"; depth:1; isdataat:1000,relative; content:!"|0A|"; within:1000; reference:url,www.fortiguard.com/encyclopedia/vulnerability/vnc.server.clientcuttext.message.memory.corruption.html; reference:url,doc.emergingthreats.net/2011732; classtype:attempted-dos; sid:2011732; rev:2; metadata:created_at 2010_07_30, updated_at 2010_07_30;)
#alert ip $EXTERNAL_NET any -> $HOME_NET any (msg:"GPL DOS IGMP dos attack"; fragbits:M+; ip_proto:2; reference:bugtraq,514; reference:cve,1999-0918; reference:url,www.microsoft.com/technet/security/bulletin/MS99-034.mspx; classtype:attempted-dos; sid:2100272; rev:11; metadata:created_at 2010_09_23, updated_at 2010_09_23;)
#alert ip $EXTERNAL_NET any -> $HOME_NET any (msg:"GPL DOS Jolt attack"; dsize:408; fragbits:M; reference:cve,1999-0345; classtype:attempted-dos; sid:2100268; rev:5; metadata:created_at 2010_09_23, updated_at 2010_09_23;)
alert tcp any any -> $HOME_NET 3000 (msg:"ET DOS ntop Basic-Auth DOS inbound"; flow:established,to_server; content:"GET "; nocase; depth:4; content:"/configNtop.html"; distance:0; within:20; nocase; content:"Authorization|3a|"; nocase; content: "Basic"; distance:0; within:20; content:"=="; distance:0; within:100; reference:url,www.securityfocus.com/bid/36074; reference:url,www.securityfocus.com/archive/1/505862; reference:url,www.securityfocus.com/archive/1/505876; classtype:denial-of-service; sid:2011511; rev:1; metadata:created_at 2010_09_27, updated_at 2010_09_27;)
alert tcp $HOME_NET any -> any 3000 (msg:"ET DOS ntop Basic-Auth DOS outbound"; flow:established,to_server; content:"GET "; nocase; depth:4; content:"/configNtop.html"; distance:0; within:20; nocase; content:"Authorization|3a|"; nocase; content: "Basic"; distance:0; within:20; content:"=="; distance:0; within:100; reference:url,www.securityfocus.com/bid/36074; reference:url,www.securityfocus.com/archive/1/505862; reference:url,www.securityfocus.com/archive/1/505876; classtype:denial-of-service; sid:2011512; rev:1; metadata:created_at 2010_09_27, updated_at 2010_09_27;)
alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET DOS User-Agent used in known DDoS Attacks Detected outbound"; flow:established,to_server; content:"User-agent|3a| Mozilla/5.0 (Windows|3b| U|3b| Windows NT 5.1|3b| ru|3b| rv|3a|1.8.1.1) Gecko/20061204 Firefox/2.0.0.1"; http_header; reference:url,www.linuxquestions.org/questions/linux-security-4/massive-ddos-need-advice-help-795298/; classtype:denial-of-service; sid:2011821; rev:3; metadata:created_at 2010_10_18, updated_at 2010_10_18;)
alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET DOS User-Agent used in known DDoS Attacks Detected inbound"; flow:established,to_server; content:"User-agent|3a| Mozilla/5.0 (Windows|3b| U|3b| Windows NT 5.1|3b| ru|3b| rv|3a|1.8.1.1) Gecko/20061204 Firefox/2.0.0.1"; http_header; reference:url,www.linuxquestions.org/questions/linux-security-4/massive-ddos-need-advice-help-795298/; classtype:denial-of-service; sid:2011822; rev:3; metadata:created_at 2010_10_18, updated_at 2010_10_18;)
alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET DOS User-Agent used in known DDoS Attacks Detected outbound 2"; flow:established,to_server; content:"User-agent|3a| Opera/9.02 (Windows NT 5.1|3b| U|3b| ru)"; http_header; reference:url,www.linuxquestions.org/questions/linux-security-4/massive-ddos-need-advice-help-795298/; classtype:denial-of-service; sid:2011823; rev:3; metadata:created_at 2010_10_18, updated_at 2010_10_18;)
alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET DOS User-Agent used in known DDoS Attacks Detected inbound 2"; flow:established,to_server; content:"User-agent|3a| Opera/9.02 (Windows NT 5.1|3b| U|3b| ru)"; http_header; reference:url,www.linuxquestions.org/questions/linux-security-4/massive-ddos-need-advice-help-795298/; classtype:denial-of-service; sid:2011824; rev:4; metadata:created_at 2010_10_18, updated_at 2010_10_18;)
#alert tcp $HOME_NET any -> $EXTERNAL_NET any (msg:"ET DOS Outbound Low Orbit Ion Cannon LOIC Tool Internal User May Be Participating in DDOS"; flow:to_server,established; content:"hihihihihihihihihihihihihihihihi"; nocase; threshold: type limit,track by_src,seconds 180,count 1; reference:url,www.isc.sans.org/diary.html?storyid=10051; classtype:trojan-activity; sid:2012048; rev:5; metadata:created_at 2010_12_13, updated_at 2010_12_13;)
#alert tcp $EXTERNAL_NET any -> $HOME_NET any (msg:"ET DOS Inbound Low Orbit Ion Cannon LOIC DDOS Tool desu string"; flow:to_server,established; content:"desudesudesu"; nocase; threshold: type limit,track by_src,seconds 180,count 1; reference:url,www.isc.sans.org/diary.html?storyid=10051; classtype:trojan-activity; sid:2012049; rev:5; metadata:created_at 2010_12_13, updated_at 2010_12_13;)
#alert tcp $HOME_NET any -> $EXTERNAL_NET any (msg:"ET DOS Outbound Low Orbit Ion Cannon LOIC Tool Internal User May Be Participating in DDOS desu string"; flow:to_server,established; content:"desudesudesu"; nocase; threshold: type limit,track by_src,seconds 180,count 1; reference:url,www.isc.sans.org/diary.html?storyid=10051; classtype:trojan-activity; sid:2012050; rev:5; metadata:created_at 2010_12_13, updated_at 2010_12_13;)
alert http $EXTERNAL_NET any -> $HOME_NET 9495 (msg:"ET DOS IBM Tivoli Endpoint Buffer Overflow Attempt"; flow:established,to_server; content:"POST"; http_method; isdataat:261; content:!"|0A|"; depth:261; reference:url, zerodayinitiative.com/advisories/ZDI-11-169/; classtype:denial-of-service; sid:2012938; rev:2; metadata:created_at 2011_06_07, updated_at 2011_06_07;)
alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET DOS Skype FindCountriesByNamePattern property Buffer Overflow Attempt"; flow:to_client,established; file_data; content:"<OBJECT "; nocase; content:"classid"; nocase; distance:0; content:"CLSID"; nocase; distance:0; content:"22C83263-E4B8-4233-82CD-FB047C6BF13E"; nocase; distance:0; content:".FindCountriesByNamePattern"; nocase; pcre:"/<OBJECT\s+[^>]*classid\s*=\s*[\x22\x27]?\s*clsid\s*\x3a\s*\x7B?\s*22C83263-E4B8-4233-82CD-FB047C6BF13E/si"; reference:url,garage4hackers.com/f43/skype-5-x-activex-crash-poc-981.html; classtype:web-application-attack; sid:2013462; rev:3; metadata:created_at 2011_08_26, updated_at 2011_08_26;)
alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET DOS Skype FindCountriesByNamePattern property Buffer Overflow Attempt Format String Function Call"; flow:to_client,established; file_data; content:"ActiveXObject"; nocase; content:"SkypePNRLib.PNR"; nocase; distance:0; content:".FindCountriesByNamePattern"; nocase; reference:url,garage4hackers.com/f43/skype-5-x-activex-crash-poc-981.html; classtype:attempted-user; sid:2013463; rev:3; metadata:created_at 2011_08_26, updated_at 2011_08_26;)
alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET DOS LOIC Javascript DDoS Outbound"; flow:established,to_server; content:"GET"; http_method; content:"/?id="; fast_pattern; http_uri; depth:5; content:"&msg="; http_uri; distance:13; within:5; pcre:"/^\/\?id=[0-9]{13}&msg=/U"; threshold: type both, track by_src, count 5, seconds 60; reference:url,isc.sans.org/diary/Javascript+DDoS+Tool+Analysis/12442; reference:url,www.wired.com/threatlevel/2012/01/anons-rickroll-botnet; classtype:attempted-dos; sid:2014141; rev:5; metadata:created_at 2012_01_23, updated_at 2012_01_23;)
alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET DOS High Orbit Ion Cannon (HOIC) Attack Inbound Generic Detection Double Spaced UA"; flow:established,to_server; content:"User-Agent|3a 20 20|"; http_raw_header; content:"User-Agent|3a 20 20|"; fast_pattern:only; threshold: type both, track by_src, count 225, seconds 60; reference:url,blog.spiderlabs.com/2012/01/hoic-ddos-analysis-and-detection.html; classtype:attempted-dos; sid:2014153; rev:5; metadata:created_at 2012_01_27, updated_at 2012_01_27;)
alert tcp any any -> $HOME_NET 3389 (msg:"ET DOS Microsoft Remote Desktop (RDP) Syn then Reset 30 Second DoS Attempt"; flags:R; flow:to_server; flowbits:isset,ms.rdp.synack; flowbits:isnotset,ms.rdp.established; flowbits:unset,ms.rdp.synack; reference:cve,2012-0152; classtype:attempted-dos; sid:2014384; rev:8; metadata:created_at 2012_03_13, updated_at 2012_03_13;)
alert tcp $HOME_NET 3389 -> any any (msg:"ET DOS Microsoft Remote Desktop (RDP) Syn/Ack Outbound Flowbit Set"; flow:from_server; flags:SA; flowbits:isnotset,ms.rdp.synack; flowbits:set,ms.rdp.synack; flowbits:noalert; reference:cve,2012-0152; classtype:not-suspicious; sid:2014385; rev:5; metadata:created_at 2012_03_15, updated_at 2012_03_15;)
alert tcp any any -> $HOME_NET 3389 (msg:"ET DOS Microsoft Remote Desktop (RDP) Session Established Flowbit Set"; flow:to_server,established; flowbits:isset,ms.rdp.synack; flowbits:unset,ms.rdp.synack; flowbits:set,ms.rdp.established; flowbits:noalert; reference:cve,2012-0152; classtype:not-suspicious; sid:2014386; rev:2; metadata:created_at 2012_03_15, updated_at 2012_03_15;)
alert tcp $EXTERNAL_NET any -> $HOME_NET 3389 (msg:"ET DOS Microsoft Remote Desktop Protocol (RDP) maxChannelIds DoS Attempt Negative INT"; flow:to_server,established; content:"|03 00|"; depth:2; content:"|e0|"; distance:3; within:1; content:"|03 00|"; distance:0; content:"|f0|"; distance:3; within:1; content:"|7f 65|"; distance:1; within:2; content:"|04 01 01 04 01 01 01 01 ff 30|"; distance:3; within:10; content:"|02|"; distance:1; within:1; byte_test:1,<,0x80,0,relative,big; byte_test:1,&,0x80,1,relative,big; reference:url,www.msdn.microsoft.com/en-us/library/cc240836.aspx; reference:cve,2012-0002; reference:url,technet.microsoft.com/en-us/security/bulletin/ms12-020; reference:url,stratsec.blogspot.com.au/2012/03/ms12-020-vulnerability-for-breakfast.html; reference:url,aluigi.org/adv/termdd_1-adv.txt; reference:url,blog.binaryninjas.org/?p=58; reference:url,luca.ntop.org/Teaching/Appunti/asn1.html; classtype:attempted-dos; sid:2014430; rev:13; metadata:created_at 2012_03_20, updated_at 2012_03_20;)
alert tcp $EXTERNAL_NET any -> $HOME_NET 3389 (msg:"ET DOS Microsoft Remote Desktop Protocol (RDP) maxChannelIds DoS Attempt"; flow:to_server,established; content:"|03 00|"; depth:2; content:"|e0|"; distance:3; within:1; content:"|03 00|"; distance:0; content:"|f0|"; distance:3; within:1; content:"|7f 65|"; distance:1; within:2; content:"|04 01 01 04 01 01 01 01 ff 30|"; distance:3; within:10; content:"|02|"; distance:1; within:1; byte_test:1,<,0x80,0,relative,big; byte_jump:1,0,relative; byte_test:1,<,0x06,-1,relative,big; reference:url,www.msdn.microsoft.com/en-us/library/cc240836.aspx; reference:cve,2012-0002; reference:url,technet.microsoft.com/en-us/security/bulletin/ms12-020; reference:url,stratsec.blogspot.com.au/2012/03/ms12-020-vulnerability-for-breakfast.html; reference:url,aluigi.org/adv/termdd_1-adv.txt; reference:url,blog.binaryninjas.org/?p=58; reference:url,luca.ntop.org/Teaching/Appunti/asn1.html; classtype:attempted-dos; sid:2014431; rev:15; metadata:created_at 2012_03_20, updated_at 2012_03_20;)
alert tcp $EXTERNAL_NET any -> $HOME_NET 3389 (msg:"ET DOS Microsoft Remote Desktop Protocol (RDP) maxChannelIds Integer indef DoS Attempt"; flow:to_server,established; content:"|03 00|"; depth:2; content:"|e0|"; distance:3; within:1; content:"|03 00|"; distance:0; content:"|f0|"; distance:3; within:1; content:"|7f 65|"; distance:1; within:2; content:"|04 01 01 04 01 01 01 01 ff 30|"; distance:3; within:10; content:"|02|"; distance:1; within:1; byte_test:1,>,0x80,0,relative; byte_test:1,<,0xFF,0,relative; byte_jump:1,0,relative, post_offset -128; byte_jump:1,-1,relative; byte_test:1,<,0x06,-1,relative,big; reference:url,www.msdn.microsoft.com/en-us/library/cc240836.aspx; reference:cve,2012-0002; reference:url,technet.microsoft.com/en-us/security/bulletin/ms12-020; reference:url,stratsec.blogspot.com.au/2012/03/ms12-020 vulnerability-for-breakfast.html; reference:url,aluigi.org/adv/termdd_1-adv.txt; reference:url,blog.binaryninjas.org/?p=58; reference:url,luca.ntop.org/Teaching/Appunti/asn1.html; classtype:attempted-dos; sid:2014662; rev:1; metadata:created_at 2012_05_02, updated_at 2012_05_02;)
alert tcp $EXTERNAL_NET any -> $HOME_NET 3389 (msg:"ET DOS Microsoft Remote Desktop Protocol (RDP) maxChannelIds Negative Integer indef DoS Attempt"; flow:to_server,established; content:"|03 00|"; depth:2; content:"|e0|"; distance:3; within:1; content:"|03 00|"; distance:0; content:"|f0|"; distance:3; within:1; content:"|7f 65|"; distance:1; within:2; content:"|04 01 01 04 01 01 01 01 ff 30|"; distance:3; within:10; content:"|02|"; distance:1; within:1; byte_test:1,>,0x80,0,relative; byte_test:1,<,0xFF,0,relative; byte_jump:1,0,relative, post_offset -128; byte_jump:1,-1,relative; byte_test:1,&,0x80,-1,relative,big; reference:url, www.msdn.microsoft.com/en-us/library/cc240836.aspx; reference:cve,2012-0002; reference:url,technet.microsoft.com/en-us/security/bulletin/ms12-020; reference:url,stratsec.blogspot.com.au/2012/03/ms12-020 vulnerability-for-breakfast.html; reference:url,aluigi.org/adv/termdd_1-adv.txt; reference:url,blog.binaryninjas.org/?p=58; reference:url,luca.ntop.org/Teaching/Appunti/asn1.html; classtype:attempted-dos; sid:2014663; rev:1; metadata:created_at 2012_05_02, updated_at 2012_05_02;)
#alert icmp any any -> any any (msg:"ET DOS Microsoft Windows 7 ICMPv6 Router Advertisement Flood"; itype:134; icode:0; byte_test:1,&,0x08,2; content:"|03|"; offset:20; depth:1; byte_test:1,&,0x40,2,relative; byte_test:1,&,0x80,2,relative; threshold:type threshold, track by_src, count 10, seconds 1; reference:url,www.samsclass.info/ipv6/proj/proj8x-124-flood-router.htm; classtype:attempted-dos; sid:2014996; rev:3; metadata:created_at 2012_07_02, updated_at 2012_07_02;)
alert udp any any -> $HOME_NET 53 (msg:"ET DOS DNS Amplification Attack Inbound"; content:"|01 00 00 01 00 00 00 00 00 01|"; depth:10; offset:2; pcre:"/^[^\x00]+?\x00/R"; content:"|00 ff 00 01 00 00 29|"; within:7; fast_pattern; byte_test:2,>,4095,0,relative; threshold: type both, track by_dst, seconds 60, count 5; classtype:bad-unknown; sid:2016016; rev:8; metadata:created_at 2012_12_11, updated_at 2012_12_11;)
#alert udp $HOME_NET 53 -> any any (msg:"ET DOS DNS Amplification Attack Outbound"; content:"|01 00 00 01 00 00 00 00 00 01|"; depth:10; offset:2; pcre:"/^[^\x00]+?\x00/R"; content:"|00 ff 00 01 00 00 29|"; within:7; fast_pattern; byte_test:2,>,4095,0,relative; threshold: type limit, track by_src, seconds 60, count 1; classtype:bad-unknown; sid:2016017; rev:7; metadata:created_at 2012_12_11, updated_at 2012_12_11;)
alert http $EXTERNAL_NET any -> $HTTP_SERVERS any (msg:"ET DOS LOIC POST"; flow:established,to_server; content:"POST"; http_method; content:"13"; depth:2; http_client_body; content:"=MSG"; fast_pattern; http_client_body; distance:11; within:4; pcre:"/^13\d{11}/P"; threshold:type limit, track by_src, count 1, seconds 300; classtype:web-application-attack; sid:2016030; rev:4; metadata:created_at 2012_12_13, updated_at 2012_12_13;)
alert http $EXTERNAL_NET any -> $HTTP_SERVERS any (msg:"ET DOS LOIC GET"; flow:established,to_server; content:"GET"; http_method; content:"/?msg=MSG"; http_uri; threshold:type limit, track by_src, count 1, seconds 300; classtype:web-application-attack; sid:2016031; rev:3; metadata:created_at 2012_12_13, updated_at 2012_12_13;)
alert udp $EXTERNAL_NET any -> $HOME_NET 1900 (msg:"ET DOS LibuPnP CVE-2012-5958 ST DeviceType Buffer Overflow"; content:"|0D 0A|ST|3A|"; nocase; pcre:"/^[^\r\n]*schemas\x3adevice\x3a[^\r\n\x3a]{181}/Ri"; content:"schemas|3a|device"; nocase; fast_pattern:only; reference:cve,CVE_2012-5958; reference:cve,CVE-2012-5962; classtype:attempted-dos; sid:2016322; rev:1; metadata:created_at 2013_01_31, updated_at 2013_01_31;)
alert udp $EXTERNAL_NET any -> $HOME_NET 1900 (msg:"ET DOS LibuPnP CVE-2012-5963 ST UDN Buffer Overflow"; content:"|0D 0A|ST|3A|"; nocase; pcre:"/^[^\r\n]*uuid\x3a[^\r\n\x3a]{181}/Ri"; reference:cve,CVE-2012-5963; classtype:attempted-dos; sid:2016323; rev:1; metadata:created_at 2013_01_31, updated_at 2013_01_31;)
alert udp $EXTERNAL_NET any -> $HOME_NET 1900 (msg:"ET DOS LibuPnP CVE-2012-5964 ST URN ServiceType Buffer Overflow"; content:"|0D 0A|ST|3A|"; nocase; pcre:"/^[^\r\n]*urn\x3aservice\x3a[^\r\n\x3a]{181}/Ri"; content:"urn|3a|service"; nocase; fast_pattern:only; reference:cve,CVE-2012-5964; classtype:attempted-dos; sid:2016324; rev:1; metadata:created_at 2013_01_31, updated_at 2013_01_31;)
alert udp $EXTERNAL_NET any -> $HOME_NET 1900 (msg:"ET DOS LibuPnP CVE-2012-5965 ST URN DeviceType Buffer Overflow"; content:"|0D 0A|ST|3A|"; nocase; pcre:"/^[^\r\n]*urn\x3adevice\x3a[^\r\n\x3a]{181}/Ri"; content:"urn|3a|device"; nocase; fast_pattern:only; reference:cve,CVE-2012-5965; classtype:attempted-dos; sid:2016325; rev:1; metadata:created_at 2013_01_31, updated_at 2013_01_31;)
alert udp $EXTERNAL_NET any -> $HOME_NET 1900 (msg:"ET DOS LibuPnP CVE-2012-5961 ST UDN Buffer Overflow"; content:"|0D 0A|ST|3A|"; nocase; pcre:"/^[^\r\n]*schemas\x3adevice\x3a[^\r\n\x3a]{1,180}\x3a[^\r\n\x3a]{181}/Ri"; content:"schemas|3a|device"; nocase; fast_pattern:only; reference:cve,CVE-2012-5961; classtype:attempted-dos; sid:2016326; rev:1; metadata:created_at 2013_01_31, updated_at 2013_01_31;)
alert udp any any -> $HOME_NET 1900 (msg:"ET DOS Miniupnpd M-SEARCH Buffer Overflow CVE-2013-0229"; content:"M-SEARCH"; depth:8; isdataat:1492,relative; content:!"|0d 0a|"; distance:1490; within:2; reference:url,community.rapid7.com/community/infosec/blog/2013/01/29/security-flaws-in-universal-plug-and-play-unplug-dont-play; reference:url,upnp.org/specs/arch/UPnP-arch-DeviceArchitecture-v1.1.pdf; reference:cve,CVE-2013-0229; classtype:attempted-dos; sid:2016363; rev:2; metadata:created_at 2013_02_06, updated_at 2013_02_06;)
alert tcp $EXTERNAL_NET any -> $HOME_NET any (msg:"ET DOS CVE-2013-0230 Miniupnpd SoapAction MethodName Buffer Overflow"; flow:to_server,established; content:"POST "; depth:5; content:"|0d 0a|SOAPAction|3a|"; nocase; distance:0; pcre:"/^[^\r\n]+#[^\x22\r\n]{2049}/R"; reference:url,community.rapid7.com/community/infosec/blog/2013/01/29/security-flaws-in-universal-plug-and-play-unplug-dont-play; reference:url,upnp.org/specs/arch/UPnP-arch-DeviceArchitecture-v1.1.pdf; reference:cve,CVE-2013-0230; classtype:attempted-dos; sid:2016364; rev:1; metadata:created_at 2013_02_06, updated_at 2013_02_06;)
#alert http any any -> $HOME_NET 3128 (msg:"ET DOS Squid-3.3.5 DoS"; flow:established,to_server; content:"Host|3a| "; http_header; pcre:"/^Host\x3a[^\x3a\r\n]+?\x3a[^\r\n]{6}/Hmi"; classtype:attempted-dos; sid:2017154; rev:2; metadata:created_at 2013_07_16, updated_at 2013_07_16;)
alert http $EXTERNAL_NET any -> $HTTP_SERVERS any (msg:"ET DOS Trojan.BlackRev V1.Botnet HTTP Login POST Flood Traffic Inbound"; flow:established,to_server; content:"POST"; http_method; content:"Mozilla/4.0 (compatible|3B| Synapse)"; fast_pattern:24,9; http_user_agent; content:"login="; http_client_body; depth:6; content:"$pass="; http_client_body; within:50; threshold: type both, count 5, seconds 60, track by_src; reference:url,www.btpro.net/blog/2013/05/black-revolution-botnet-trojan/; classtype:attempted-dos; sid:2017722; rev:3; metadata:created_at 2013_11_14, updated_at 2013_11_14;)
alert udp any any -> any 123 (msg:"ET DOS Possible NTP DDoS Inbound Frequent Un-Authed MON_LIST Requests IMPL 0x02"; content:"|00 02 2A|"; offset:1; depth:3; byte_test:1,!&,128,0; byte_test:1,&,4,0; byte_test:1,&,2,0; byte_test:1,&,1,0; threshold: type both,track by_dst,count 2,seconds 60; reference:url,www.symantec.com/connect/blogs/hackers-spend-christmas-break-launching-large-scale-ntp-reflection-attacks; classtype:attempted-dos; sid:2017918; rev:2; metadata:created_at 2014_01_02, updated_at 2014_01_02;)
alert udp any any -> any 123 (msg:"ET DOS Possible NTP DDoS Inbound Frequent Un-Authed MON_LIST Requests IMPL 0x03"; content:"|00 03 2A|"; offset:1; depth:3; byte_test:1,!&,128,0; byte_test:1,&,4,0; byte_test:1,&,2,0; byte_test:1,&,1,0; threshold: type both,track by_dst,count 2,seconds 60; reference:url,www.symantec.com/connect/blogs/hackers-spend-christmas-break-launching-large-scale-ntp-reflection-attacks; classtype:attempted-dos; sid:2017919; rev:2; metadata:created_at 2014_01_02, updated_at 2014_01_02;)
alert udp $HOME_NET 123 -> $EXTERNAL_NET any (msg:"ET DOS Possible NTP DDoS Multiple MON_LIST Seq 0 Response Spanning Multiple Packets IMPL 0x02"; content:"|00 02 2a|"; offset:1; depth:3; byte_test:1,&,128,0; byte_test:1,&,64,0; byte_test:1,&,4,0; byte_test:1,&,2,0; byte_test:1,&,1,0; threshold: type both,track by_src,count 2,seconds 60; reference:url,www.symantec.com/connect/blogs/hackers-spend-christmas-break-launching-large-scale-ntp-reflection-attacks; classtype:attempted-dos; sid:2017920; rev:2; metadata:created_at 2014_01_02, updated_at 2014_01_02;)
alert udp $HOME_NET 123 -> $EXTERNAL_NET any (msg:"ET DOS Possible NTP DDoS Multiple MON_LIST Seq 0 Response Spanning Multiple Packets IMPL 0x03"; content:"|00 03 2a|"; offset:1; depth:3; byte_test:1,&,128,0; byte_test:1,&,64,0; byte_test:1,&,4,0; byte_test:1,&,2,0; byte_test:1,&,1,0; threshold: type both,track by_src,count 2,seconds 60; reference:url,www.symantec.com/connect/blogs/hackers-spend-christmas-break-launching-large-scale-ntp-reflection-attacks; classtype:attempted-dos; sid:2017921; rev:2; metadata:created_at 2014_01_02, updated_at 2014_01_02;)
alert udp any 123 -> any 0:1023 (msg:"ET DOS Likely NTP DDoS In Progress MON_LIST Response to Non-Ephemeral Port IMPL 0x02"; content:"|00 02 2a|"; offset:1; depth:3; byte_test:1,&,128,0; byte_test:1,&,64,0; byte_test:1,&,4,0; byte_test:1,&,2,0; byte_test:1,&,1,0; threshold: type both,track by_src,count 1,seconds 120; reference:url,www.symantec.com/connect/blogs/hackers-spend-christmas-break-launching-large-scale-ntp-reflection-attacks; reference:url,en.wikipedia.org/wiki/Ephemeral_port; classtype:attempted-dos; sid:2017965; rev:3; metadata:created_at 2014_01_13, updated_at 2014_01_13;)
alert udp any 123 -> any 0:1023 (msg:"ET DOS Likely NTP DDoS In Progress MON_LIST Response to Non-Ephemeral Port IMPL 0x03"; content:"|00 03 2a|"; offset:1; depth:3; byte_test:1,&,128,0; byte_test:1,&,64,0; byte_test:1,&,4,0; byte_test:1,&,2,0; byte_test:1,&,1,0; threshold: type both,track by_src,count 1,seconds 120; reference:url,www.symantec.com/connect/blogs/hackers-spend-christmas-break-launching-large-scale-ntp-reflection-attacks; reference:url,en.wikipedia.org/wiki/Ephemeral_port; classtype:attempted-dos; sid:2017966; rev:3; metadata:created_at 2014_01_13, updated_at 2014_01_13;)
alert http $EXTERNAL_NET any -> $HTTP_SERVERS any (msg:"ET DOS Inbound GoldenEye DoS attack"; flow:established,to_server; content:"/?"; fast_pattern; http_uri; depth:2; content:"="; http_uri; distance:3; within:11; pcre:"/^\/\?[a-zA-Z0-9]{3,10}=[a-zA-Z0-9]{3,20}(?:&[a-zA-Z0-9]{3,10}=[a-zA-Z0-9]{3,20})*?$/U"; content:"Keep|2d|Alive|3a|"; http_header; content:"Connection|3a| keep|2d|alive"; http_header; content:"Cache|2d|Control|3a|"; http_header; pcre:"/^Cache-Control\x3a\x20(?:max-age=0|no-cache)\r?$/Hm"; content:"Accept|2d|Encoding|3a|"; http_header; threshold: type both, track by_src, count 100, seconds 300; reference:url,github.com/jseidl/GoldenEye; classtype:denial-of-service; sid:2018208; rev:2; metadata:created_at 2014_03_04, updated_at 2014_03_04;)
alert http $EXTERNAL_NET any -> $HTTP_SERVERS any (msg:"ET DOS Possible WordPress Pingback DDoS in Progress (Inbound)"; flow:established,to_server; content:"/xmlrpc.php"; http_uri; nocase; content:"pingback.ping"; nocase; http_client_body; fast_pattern; threshold:type both, track by_src, count 5, seconds 90; classtype:attempted-dos; sid:2018277; rev:3; metadata:affected_product Wordpress, affected_product Wordpress_Plugins, attack_target Web_Server, deployment Datacenter, tag Wordpress, signature_severity Major, created_at 2014_03_14, updated_at 2016_07_01;)
alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET DOS HOIC with booster outbound"; flow:to_server,established; content:"GET"; http_method; content:"HTTP/1.0|0d 0a|Accept|3a 20|*/*|0d 0a|Accept-Language|3a 20|"; content:"If-Modified-Since|3a 20 20|"; http_raw_header; content:"Keep-Alive|3a 20 20|"; http_raw_header; content:"Connection|3a 20 20|"; http_raw_header; content:"User-Agent|3a 20 20|"; http_raw_header; threshold: type both, count 1, seconds 60, track by_src; reference:md5,23fc64a5cac4406d7143ea26e8c4c7ab; reference:url,blog.spiderlabs.com/2012/01/hoic-ddos-analysis-and-detection.html; classtype:trojan-activity; sid:2018977; rev:3; metadata:created_at 2014_08_21, updated_at 2014_08_21;)
alert http $EXTERNAL_NET any -> $HTTP_SERVERS any (msg:"ET DOS HOIC with booster inbound"; flow:to_server,established; content:"GET"; http_method; content:"HTTP/1.0|0d 0a|Accept|3a 20|*/*|0d 0a|Accept-Language|3a 20|"; content:"If-Modified-Since|3a 20 20|"; http_raw_header; content:"Keep-Alive|3a 20 20|"; http_raw_header; content:"Connection|3a 20 20|"; http_raw_header; content:"User-Agent|3a 20 20|"; http_raw_header; threshold: type both, count 1, seconds 60, track by_dst; reference:md5,23fc64a5cac4406d7143ea26e8c4c7ab; reference:url,blog.spiderlabs.com/2012/01/hoic-ddos-analysis-and-detection.html; classtype:trojan-activity; sid:2018978; rev:2; metadata:created_at 2014_08_21, updated_at 2014_08_21;)
alert udp any 123 -> any 0:1023 (msg:"ET DOS Likely NTP DDoS In Progress PEER_LIST Response to Non-Ephemeral Port IMPL 0x02"; content:"|00 02 00|"; offset:1; depth:3; byte_test:1,&,128,0; byte_test:1,&,64,0; byte_test:1,&,4,0; byte_test:1,&,2,0; byte_test:1,&,1,0; threshold: type both,track by_src,count 1,seconds 120; reference:url,community.rapid7.com/community/metasploit/blog/2014/08/25/r7-2014-12-more-amplification-vulnerabilities-in-ntp-allow-even-more-drdos-attacks; reference:url,en.wikipedia.org/wiki/Ephemeral_port; classtype:attempted-dos; sid:2019010; rev:3; metadata:created_at 2014_08_25, updated_at 2014_08_25;)
alert udp any 123 -> any 0:1023 (msg:"ET DOS Likely NTP DDoS In Progress PEER_LIST Response to Non-Ephemeral Port IMPL 0x03"; content:"|00 03 00|"; offset:1; depth:3; byte_test:1,&,128,0; byte_test:1,&,64,0; byte_test:1,&,4,0; byte_test:1,&,2,0; byte_test:1,&,1,0; threshold: type both,track by_src,count 1,seconds 120; reference:url,community.rapid7.com/community/metasploit/blog/2014/08/25/r7-2014-12-more-amplification-vulnerabilities-in-ntp-allow-even-more-drdos-attacks; reference:url,en.wikipedia.org/wiki/Ephemeral_port; classtype:attempted-dos; sid:2019011; rev:3; metadata:created_at 2014_08_25, updated_at 2014_08_25;)
alert udp any 123 -> any 0:1023 (msg:"ET DOS Likely NTP DDoS In Progress PEER_LIST_SUM Response to Non-Ephemeral Port IMPL 0x02"; content:"|00 02 01|"; offset:1; depth:3; byte_test:1,&,128,0; byte_test:1,&,64,0; byte_test:1,&,4,0; byte_test:1,&,2,0; byte_test:1,&,1,0; threshold: type both,track by_src,count 1,seconds 120; reference:url,community.rapid7.com/community/metasploit/blog/2014/08/25/r7-2014-12-more-amplification-vulnerabilities-in-ntp-allow-even-more-drdos-attacks; reference:url,en.wikipedia.org/wiki/Ephemeral_port; classtype:attempted-dos; sid:2019012; rev:3; metadata:created_at 2014_08_25, updated_at 2014_08_25;)
alert udp any 123 -> any 0:1023 (msg:"ET DOS Likely NTP DDoS In Progress PEER_LIST_SUM Response to Non-Ephemeral Port IMPL 0x03"; content:"|00 03 01|"; offset:1; depth:3; byte_test:1,&,128,0; byte_test:1,&,64,0; byte_test:1,&,4,0; byte_test:1,&,2,0; byte_test:1,&,1,0; threshold: type both,track by_src,count 1,seconds 120; reference:url,community.rapid7.com/community/metasploit/blog/2014/08/25/r7-2014-12-more-amplification-vulnerabilities-in-ntp-allow-even-more-drdos-attacks; reference:url,en.wikipedia.org/wiki/Ephemeral_port; classtype:attempted-dos; sid:2019013; rev:3; metadata:created_at 2014_08_25, updated_at 2014_08_25;)
alert udp any 123 -> any 0:1023 (msg:"ET DOS Likely NTP DDoS In Progress GET_RESTRICT Response to Non-Ephemeral Port IMPL 0x03"; content:"|00 03 10|"; offset:1; depth:3; byte_test:1,&,128,0; byte_test:1,&,64,0; byte_test:1,&,4,0; byte_test:1,&,2,0; byte_test:1,&,1,0; threshold: type both,track by_src,count 1,seconds 120; reference:url,community.rapid7.com/community/metasploit/blog/2014/08/25/r7-2014-12-more-amplification-vulnerabilities-in-ntp-allow-even-more-drdos-attacks; reference:url,en.wikipedia.org/wiki/Ephemeral_port; classtype:attempted-dos; sid:2019014; rev:4; metadata:created_at 2014_08_25, updated_at 2014_08_25;)
alert udp any 123 -> any 0:1023 (msg:"ET DOS Likely NTP DDoS In Progress GET_RESTRICT Response to Non-Ephemeral Port IMPL 0x02"; content:"|00 02 10|"; offset:1; depth:3; byte_test:1,&,128,0; byte_test:1,&,64,0; byte_test:1,&,4,0; byte_test:1,&,2,0; byte_test:1,&,1,0; threshold: type both,track by_src,count 1,seconds 120; reference:url,community.rapid7.com/community/metasploit/blog/2014/08/25/r7-2014-12-more-amplification-vulnerabilities-in-ntp-allow-even-more-drdos-attacks; reference:url,en.wikipedia.org/wiki/Ephemeral_port; classtype:attempted-dos; sid:2019015; rev:4; metadata:created_at 2014_08_25, updated_at 2014_08_25;)
alert udp any any -> any 123 (msg:"ET DOS Possible NTP DDoS Inbound Frequent Un-Authed PEER_LIST Requests IMPL 0x03"; content:"|00 03 00|"; offset:1; depth:3; byte_test:1,!&,128,0; byte_test:1,&,4,0; byte_test:1,&,2,0; byte_test:1,&,1,0; threshold: type both,track by_dst,count 2,seconds 60; reference:url,community.rapid7.com/community/metasploit/blog/2014/08/25/r7-2014-12-more-amplification-vulnerabilities-in-ntp-allow-even-more-drdos-attacks; classtype:attempted-dos; sid:2019016; rev:3; metadata:created_at 2014_08_25, updated_at 2014_08_25;)
alert udp any any -> any 123 (msg:"ET DOS Possible NTP DDoS Inbound Frequent Un-Authed PEER_LIST Requests IMPL 0x02"; content:"|00 02 00|"; offset:1; depth:3; byte_test:1,!&,128,0; byte_test:1,&,4,0; byte_test:1,&,2,0; byte_test:1,&,1,0; threshold: type both,track by_dst,count 2,seconds 60; reference:url,community.rapid7.com/community/metasploit/blog/2014/08/25/r7-2014-12-more-amplification-vulnerabilities-in-ntp-allow-even-more-drdos-attacks; classtype:attempted-dos; sid:2019017; rev:3; metadata:created_at 2014_08_25, updated_at 2014_08_25;)
alert udp any any -> any 123 (msg:"ET DOS Possible NTP DDoS Inbound Frequent Un-Authed PEER_LIST_SUM Requests IMPL 0x03"; content:"|00 03 01|"; offset:1; depth:3; byte_test:1,!&,128,0; byte_test:1,&,4,0; byte_test:1,&,2,0; byte_test:1,&,1,0; threshold: type both,track by_dst,count 2,seconds 60; reference:url,community.rapid7.com/community/metasploit/blog/2014/08/25/r7-2014-12-more-amplification-vulnerabilities-in-ntp-allow-even-more-drdos-attacks; classtype:attempted-dos; sid:2019018; rev:3; metadata:created_at 2014_08_25, updated_at 2014_08_25;)
alert udp any any -> any 123 (msg:"ET DOS Possible NTP DDoS Inbound Frequent Un-Authed PEER_LIST_SUM Requests IMPL 0x02"; content:"|00 02 01|"; offset:1; depth:3; byte_test:1,!&,128,0; byte_test:1,&,4,0; byte_test:1,&,2,0; byte_test:1,&,1,0; threshold: type both,track by_dst,count 2,seconds 60; reference:url,community.rapid7.com/community/metasploit/blog/2014/08/25/r7-2014-12-more-amplification-vulnerabilities-in-ntp-allow-even-more-drdos-attacks; classtype:attempted-dos; sid:2019019; rev:3; metadata:created_at 2014_08_25, updated_at 2014_08_25;)
alert udp any any -> any 123 (msg:"ET DOS Possible NTP DDoS Inbound Frequent Un-Authed GET_RESTRICT Requests IMPL 0x03"; content:"|00 03 10|"; offset:1; depth:3; byte_test:1,!&,128,0; byte_test:1,&,4,0; byte_test:1,&,2,0; byte_test:1,&,1,0; threshold: type both,track by_dst,count 2,seconds 60; reference:url,community.rapid7.com/community/metasploit/blog/2014/08/25/r7-2014-12-more-amplification-vulnerabilities-in-ntp-allow-even-more-drdos-attacks; classtype:attempted-dos; sid:2019020; rev:3; metadata:created_at 2014_08_25, updated_at 2014_08_25;)
alert udp any any -> any 123 (msg:"ET DOS Possible NTP DDoS Inbound Frequent Un-Authed GET_RESTRICT Requests IMPL 0x02"; content:"|00 02 10|"; offset:1; depth:3; byte_test:1,!&,128,0; byte_test:1,&,4,0; byte_test:1,&,2,0; byte_test:1,&,1,0; threshold: type both,track by_dst,count 2,seconds 60; reference:url,community.rapid7.com/community/metasploit/blog/2014/08/25/r7-2014-12-more-amplification-vulnerabilities-in-ntp-allow-even-more-drdos-attacks; classtype:attempted-dos; sid:2019021; rev:3; metadata:created_at 2014_08_25, updated_at 2014_08_25;)
alert udp any 123 -> any any (msg:"ET DOS Likely NTP DDoS In Progress Multiple UNSETTRAP Mode 6 Responses"; content:"|df 00 00 04 00|"; offset:1; depth:5; byte_test:1,!&,128,0; byte_test:1,!&,64,0; byte_test:1,&,4,0; byte_test:1,&,2,0; byte_test:1,!&,1,0; threshold: type both,track by_src,count 2,seconds 60; reference:url,community.rapid7.com/community/metasploit/blog/2014/08/25/r7-2014-12-more-amplification-vulnerabilities-in-ntp-allow-even-more-drdos-attacks; classtype:attempted-dos; sid:2019022; rev:4; metadata:created_at 2014_08_25, updated_at 2014_08_25;)
alert udp any any -> $HOME_NET 1900 (msg:"ET DOS Possible SSDP Amplification Scan in Progress"; content:"M-SEARCH * HTTP/1.1"; content:"ST|3a 20|ssdp|3a|all|0d 0a|"; nocase; distance:0; fast_pattern; threshold: type both,track by_src,count 2,seconds 60; reference:url,community.rapid7.com/community/metasploit/blog/2014/08/29/weekly-metasploit-update; classtype:attempted-dos; sid:2019102; rev:1; metadata:created_at 2014_09_02, updated_at 2014_09_02;)
alert tcp $EXTERNAL_NET any -> $HOME_NET $HTTP_PORTS (msg:"ET DOS Terse HTTP GET Likely LOIC"; flow:to_server,established; dsize:18; content:"GET / HTTP/1.1|0d 0a 0d 0a|"; depth:18; threshold:type both,track by_dst,count 500,seconds 60; classtype:attempted-dos; sid:2019346; rev:2; metadata:created_at 2014_10_03, updated_at 2014_10_03;)
alert tcp $EXTERNAL_NET any -> $HOME_NET $HTTP_PORTS (msg:"ET DOS HTTP GET AAAAAAAA Likely FireFlood"; flow:to_server,established; content:"GET AAAAAAAA HTTP/1.1"; content:!"Referer|3a|"; distance:0; content:!"Accept"; distance:0; content:!"|0d 0a|"; distance:0; threshold:type both,track by_dst,count 500,seconds 60; classtype:attempted-dos; sid:2019347; rev:2; metadata:created_at 2014_10_03, updated_at 2014_10_03;)
alert tcp $EXTERNAL_NET any -> $HOME_NET $HTTP_PORTS (msg:"ET DOS Terse HTTP GET Likely AnonMafiaIC DDoS tool"; flow:to_server,established; dsize:20; content:"GET / HTTP/1.0|0d 0a 0d 0a 0d 0a|"; depth:20; threshold:type both,track by_dst,count 500,seconds 60; classtype:attempted-dos; sid:2019348; rev:2; metadata:created_at 2014_10_03, updated_at 2014_10_03;)
alert tcp $EXTERNAL_NET any -> $HOME_NET $HTTP_PORTS (msg:"ET DOS Terse HTTP GET Likely AnonGhost DDoS tool"; flow:to_server,established; dsize:20; content:"GET / HTTP/1.1|0d 0a 0d 0a 0d 0a|"; depth:20; threshold:type both,track by_dst,count 500,seconds 60; classtype:attempted-dos; sid:2019349; rev:2; metadata:created_at 2014_10_03, updated_at 2014_10_03;)
alert tcp $EXTERNAL_NET any -> $HOME_NET $HTTP_PORTS (msg:"ET DOS Terse HTTP GET Likely GoodBye 5.2 DDoS tool"; flow:to_server,established; dsize:<50; content:"|20|HTTP/1.1Host|3a 20|"; threshold:type both,track by_dst,count 500,seconds 60; classtype:attempted-dos; sid:2019350; rev:2; metadata:created_at 2014_10_03, updated_at 2014_10_03;)
#alert tcp $EXTERNAL_NET 10000: -> $HOME_NET 0:1023 (msg:"ET DOS Potential Tsunami SYN Flood Denial Of Service Attempt"; flags:S; flow:to_server; dsize:>900; threshold: type both, count 20, seconds 120, track by_src; reference:url,security.radware.com/uploadedFiles/Resources_and_Content/Threat/TsunamiSYNFloodAttack.pdf; classtype:attempted-dos; sid:2019404; rev:3; metadata:created_at 2014_10_15, updated_at 2014_10_15;)
alert udp $HOME_NET 1434 -> $EXTERNAL_NET any (msg:"ET DOS MC-SQLR Response Outbound Possible DDoS Participation"; content:"|05|"; depth:1; content:"ServerName|3b|"; nocase; content:"InstanceName|3b|"; distance:0; content:"IsClustered|3b|"; distance:0; content:"Version|3b|"; distance:0; threshold:type both,track by_src,count 30,seconds 60; reference:url,kurtaubuchon.blogspot.com.es/2015/01/mc-sqlr-amplification-ms-sql-server.html; classtype:attempted-dos; sid:2020305; rev:4; metadata:created_at 2015_01_23, updated_at 2015_01_23;)
alert udp $EXTERNAL_NET 1434 -> $HOME_NET any (msg:"ET DOS MC-SQLR Response Inbound Possible DDoS Target"; content:"|05|"; depth:1; content:"ServerName|3b|"; nocase; content:"InstanceName|3b|"; distance:0; content:"IsClustered|3b|"; distance:0; content:"Version|3b|"; distance:0; threshold:type both,track by_dst,count 30,seconds 60; reference:url,kurtaubuchon.blogspot.com.es/2015/01/mc-sqlr-amplification-ms-sql-server.html; classtype:attempted-dos; sid:2020306; rev:3; metadata:created_at 2015_01_23, updated_at 2015_01_23;)
alert http $EXTERNAL_NET any -> $HTTP_SERVERS any (msg:"ET DOS Bittorrent User-Agent inbound - possible DDOS"; flow:established,to_server; content:"User-Agent|3a| Bittorrent"; http_header; threshold: type both, count 1, seconds 60, track by_src; reference:url,torrentfreak.com/zombie-pirate-bay-tracker-fuels-chinese-ddos-attacks-150124/; classtype:attempted-dos; sid:2020702; rev:2; metadata:created_at 2015_03_18, updated_at 2015_03_18;)
alert udp $HOME_NET 5093 -> $EXTERNAL_NET any (msg:"ET DOS Possible Sentinal LM Application attack in progress Outbound (Response)"; dsize:>1390; content:"|7a 00 00 00 00 00 00 00 00 00 00 00|"; depth:12; threshold: type both,track by_src,count 10,seconds 60; classtype:attempted-dos; sid:2021170; rev:1; metadata:created_at 2015_05_29, updated_at 2015_05_29;)
alert udp $EXTERNAL_NET 5093 -> $HOME_NET any (msg:"ET DOS Possible Sentinal LM Amplification attack (Response) Inbound"; dsize:>1390; content:"|7a 00 00 00 00 00 00 00 00 00 00 00|"; depth:12; threshold: type both,track by_src,count 10,seconds 60; classtype:attempted-dos; sid:2021171; rev:1; metadata:created_at 2015_05_29, updated_at 2015_05_29;)
alert udp $EXTERNAL_NET any -> $HOME_NET 5093 (msg:"ET DOS Possible Sentinal LM Amplification attack (Request) Inbound"; dsize:6; content:"|7a 00 00 00 00 00|"; threshold: type both,track by_dst,count 10,seconds 60; classtype:attempted-dos; sid:2021172; rev:1; metadata:created_at 2015_05_29, updated_at 2015_05_29;)
alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET DOS Linux/Tsunami DOS User-Agent (x00_-gawa.sa.pilipinas.2015) INBOUND"; flow:to_server,established; content:"x00_-gawa.sa.pilipinas.2015"; http_user_agent; reference:url,vms.drweb.com/virus/?i=4656268; classtype:attempted-dos; sid:2022760; rev:2; metadata:created_at 2016_04_26, updated_at 2016_04_26;)
alert udp $EXTERNAL_NET 53 -> $HOME_NET 1:1023 (msg:"ET DOS DNS Amplification Attack Possible Inbound Windows Non-Recursive Root Hint Reserved Port"; content:"|81 00 00 01 00 00|"; depth:6; offset:2; byte_test:2,>,10,0,relative; byte_test:2,>,10,2,relative; content:"|0c|root-servers|03|net|00|"; distance:0; content:"|0c|root-servers|03|net|00|"; distance:0; threshold: type both, track by_dst, seconds 60, count 5; reference:url,twitter.com/sempersecurus/status/763749835421941760; reference:url,pastebin.com/LzubgtVb; classtype:bad-unknown; sid:2023053; rev:2; metadata:attack_target Server, deployment Datacenter, created_at 2016_08_12, performance_impact Low, updated_at 2016_08_12;)
alert udp $HOME_NET 53 -> $EXTERNAL_NET 1:1023 (msg:"ET DOS DNS Amplification Attack Possible Outbound Windows Non-Recursive Root Hint Reserved Port"; content:"|81 00 00 01 00 00|"; depth:6; offset:2; byte_test:2,>,10,0,relative; byte_test:2,>,10,2,relative; content:"|0c|root-servers|03|net|00|"; distance:0; content:"|0c|root-servers|03|net|00|"; distance:0; threshold: type both, track by_dst, seconds 60, count 5; reference:url,twitter.com/sempersecurus/status/763749835421941760; reference:url,pastebin.com/LzubgtVb; classtype:bad-unknown; sid:2023054; rev:2; metadata:attack_target Server, deployment Datacenter, created_at 2016_08_12, performance_impact Low, updated_at 2016_08_12;)
alert tcp any any -> $HOME_NET 445 (msg:"ET DOS Microsoft Windows LSASS Remote Memory Corruption (CVE-2017-0004)"; flow:established,to_server; content:"|FF|SMB|73|"; offset:4; depth:5; byte_test:1,&,0x80,6,relative; byte_test:1,&,0x08,6,relative; byte_test:1,&,0x10,5,relative; byte_test:1,&,0x04,5,relative; byte_test:1,&,0x02,5,relative; byte_test:1,&,0x01,5,relative; content:"|ff 00|"; distance:28; within:2; content:"|84|"; distance:25; within:1; content:"NTLMSSP"; fast_pattern; within:64; reference:url,github.com/lgandx/PoC/tree/master/LSASS; reference:url,support.microsoft.com/en-us/kb/3216771; reference:url,support.microsoft.com/en-us/kb/3199173; reference:cve,2017-0004; reference:url,technet.microsoft.com/library/security/MS17-004; classtype:attempted-dos; sid:2023497; rev:3; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_and_Server, deployment Perimeter, deployment Datacenter, signature_severity Major, created_at 2016_11_11, performance_impact Low, updated_at 2017_01_12;)
alert tcp any 445 -> $HOME_NET any (msg:"ET DOS Excessive Large Tree Connect Response"; flow:from_server,established; byte_test: 3,>,1000,1; content: "|fe 53 4d 42 40 00|"; offset: 4; depth: 6; content: "|03 00|"; offset: 16; depth:2; reference:url,isc.sans.edu/forums/diary/Windows+SMBv3+Denial+of+Service+Proof+of+Concept+0+Day+Exploit/22029/; classtype:attempted-dos; sid:2023831; rev:2; metadata:affected_product SMBv3, attack_target Client_and_Server, deployment Datacenter, signature_severity Major, created_at 2017_02_03, updated_at 2017_02_03;)
alert tcp any 445 -> $HOME_NET any (msg:"ET DOS SMB Tree_Connect Stack Overflow Attempt (CVE-2017-0016)"; flow:from_server,established; content:"|FE|SMB"; offset:4; depth:4; content:"|03 00|"; distance:8; within:2; byte_test:1,&,1,2,relative; byte_jump:2,8,little,from_beginning; byte_jump:2,4,relative,little; isdataat:1000,relative; content:!"|FE|SMB"; within:1000; reference:cve,2017-0016; classtype:attempted-dos; sid:2023832; rev:3; metadata:affected_product SMBv3, attack_target Client_and_Server, deployment Datacenter, signature_severity Major, created_at 2017_02_03, updated_at 2017_02_07;)
#alert tcp any any -> $HOME_NET [139,445] (msg:"ET DOS Possible SMBLoris NBSS Length Mem Exhaustion Vuln Inbound"; flow:established,to_server; content:"|00 01|"; depth:2; threshold:type both,track by_dst,count 3, seconds 90; metadata: former_category DOS; reference:url,isc.sans.edu/forums/diary/SMBLoris+the+new+SMB+flaw/22662/; classtype:trojan-activity; sid:2024510; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_and_Server, deployment Internal, signature_severity Major, created_at 2017_08_02, performance_impact Significant, updated_at 2017_08_02;)
alert tcp any any -> $HOME_NET [139,445] (msg:"ET DOS SMBLoris NBSS Length Mem Exhaustion Attempt (PoC Based)"; flow:established,to_server; content:"|00 01 ff ff|"; depth:4; threshold:type both,track by_dst,count 30, seconds 300; metadata: former_category DOS; reference:url,isc.sans.edu/forums/diary/SMBLoris+the+new+SMB+flaw/22662/; classtype:trojan-activity; sid:2024511; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_and_Server, deployment Internal, signature_severity Major, created_at 2017_08_02, performance_impact Significant, updated_at 2017_08_03;)
alert udp $EXTERNAL_NET 389 -> $HOME_NET 389 (msg:"ET DOS CLDAP Amplification Reflection (PoC based)"; dsize:52; content:"|30 84 00 00 00 2d 02 01 01 63 84 00 00 00 24 04 00 0a 01 00|"; fast_pattern; threshold:type both, count 100, seconds 60, track by_src; metadata: former_category DOS; reference:url,www.akamai.com/us/en/multimedia/documents/state-of-the-internet/cldap-threat-advisory.pdf; reference:url,packetstormsecurity.com/files/139561/LDAP-Amplication-Denial-Of-Service.html; classtype:attempted-dos; sid:2024584; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Linux, attack_target Server, deployment Perimeter, signature_severity Major, created_at 2017_08_16, performance_impact Significant, updated_at 2017_08_16;)
alert udp $EXTERNAL_NET any -> $HOME_NET 389 (msg:"ET DOS Potential CLDAP Amplification Reflection"; content:"objectclass0"; fast_pattern; threshold:type both, count 200, seconds 60, track by_src; metadata: former_category DOS; reference:url,www.akamai.com/us/en/multimedia/documents/state-of-the-internet/cldap-threat-advisory.pdf; reference:url,packetstormsecurity.com/files/139561/LDAP-Amplication-Denial-Of-Service.html; classtype:attempted-dos; sid:2024585; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Linux, attack_target Client_and_Server, deployment Perimeter, signature_severity Major, created_at 2017_08_16, performance_impact Significant, updated_at 2017_08_16;)
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