CN_APT_ZeroT_extracted_Mcutil

rule CN_APT_ZeroT_extracted_Mcutil {
   meta:
      description = "Chinese APT by Proofpoint ZeroT RAT  - file Mcutil.dll"
      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"
      hash1 = "266c06b06abbed846ebabfc0e683f5d20dadab52241bc166b9d60e9b8493b500"
      id = "c887d36b-8aeb-54f1-a683-727561723238"
   strings:
      $s1 = "LoaderDll.dll" fullword ascii
      $s2 = "QageBox1USER" fullword ascii
      $s3 = "xhmowl" fullword ascii
      $s4 = "?KEYKY" fullword ascii
      $s5 = "HH:mm:_s" fullword ascii
      $s6 = "=licni] has maX0t" fullword ascii
   condition:
      ( uint16(0) == 0x5a4d and filesize < 90KB and 3 of them ) or ( all of them )
}