CN_APT_ZeroT_extracted_Go

rule CN_APT_ZeroT_extracted_Go {
   meta:
      description = "Chinese APT by Proofpoint ZeroT RAT  - file Go.exe"
      license = "Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE"
      author = "Florian Roth (Nextron Systems)"
      reference = "https://www.proofpoint.com/us/threat-insight/post/APT-targets-russia-belarus-zerot-plugx"
      date = "2017-02-04"
      modified = "2023-01-06"
      hash1 = "83ddc69fe0d3f3d2f46df7e72995d59511c1bfcca1a4e14c330cb71860b4806b"
      id = "ba929e6d-4162-58e7-b8a8-bcb066b64522"
   strings:
      $x1 = "%s\\cmd.exe /c %s\\Zlh.exe" fullword ascii
      $x2 = "\\BypassUAC.VS2010\\Release\\" ascii

      $s1 = "Zjdsf.exe" fullword ascii
      $s2 = "SS32prep.exe" fullword ascii
      $s3 = "windowsgrep.exe" fullword ascii
      $s4 = "Sysdug.exe" fullword ascii
      $s5 = "Proessz.exe" fullword ascii
      $s6 = "%s\\Zlh.exe" fullword ascii
      $s7 = "/C %s\\%s" fullword ascii
   condition:
      ( uint16(0) == 0x5a4d and filesize < 100KB and ( 1 of ($x*) or 3 of ($s*) ) ) or ( 7 of them )
}