EquationGroup_modifyAudit_Implant

rule EquationGroup_modifyAudit_Implant {
   meta:
      description = "EquationGroup Malware - file modifyAudit_Implant.dll"
      license = "Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE"
      author = "Florian Roth (Nextron Systems)"
      reference = "https://goo.gl/tcSoiJ"
      date = "2017-01-13"
      hash1 = "b7902809a15c4c3864a14f009768693c66f9e9234204b873d29a87f4c3009a50"
      id = "0321f6c0-2250-5991-a1d9-f0598e13c665"
   strings:
      $s1 = "LSASS.EXE" fullword wide
      $s2 = "hNtQueryInformationProcess" fullword ascii
      $s3 = "hZwOpenProcess" fullword ascii
      $s4 = ".?AVFeFinallyFailure@@" fullword ascii
   condition:
      ( uint16(0) == 0x5a4d and filesize < 90KB and ( all of ($s*) ) ) or ( all of them )
}