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my-infosec-awesome/files/dfir/detecting-apt28.md

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Detecting APT 28

  • Using Event ID 4688 with Command Line logging enabled can trigger on Word calling cscript, wscript, and PowerShell as this is NOT normal.
  • A DLL is used to infect the system using a batch file to load it which runs RunDll32. Alerts on RunDll32 using 4688 with Command Line logging could trigger on this behavior.
  • If using Windows Firewall logging, which does NOT require using the Windows Firewall, Detecting the IPs used to communicate to the C2 server with 5156 events.
  • Monitoring changes to well known AutoRun registry locations could detect this behavior using a 4657 event. An Autoruns scanner like LOG-MD can also discover these malicious changes. This payload used the following key: HKCU\Environment\UserInitMprLogonScrip