EquationGroup_Toolset_Apr17_KisuComms_Target_2000

rule EquationGroup_Toolset_Apr17_KisuComms_Target_2000 {
   meta:
      description = "Detects EquationGroup Tool - April Leak"
      license = "Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE"
      author = "Florian Roth (Nextron Systems)"
      reference = "https://steemit.com/shadowbrokers/@theshadowbrokers/lost-in-translation"
      date = "2017-04-15"
      hash1 = "94eea1bad534a1dc20620919de8046c9966be3dd353a50f25b719c3662f22135"
      id = "693a82e5-a3f1-5a56-b33d-0daef36bbe5f"
   strings:
      $s1 = "363<3S3c3l3q3v3{3" fullword ascii
      $s2 = "3!3%3)3-3135393@5" fullword ascii

      /* Recommendation - verify the opcodes on Binarly : http://www.binar.ly */
      /* Test each of them in the search field & reduce length until it generates matches */
      $op0 = { eb 03 89 46 54 47 83 ff 1a 0f 8c 40 ff ff ff 8b }
      $op1 = { 8b 46 04 85 c0 74 0f 50 e8 34 fb ff ff 83 66 04 }
      $op2 = { c6 45 fc 02 8d 8d 44 ff ff ff e8 d2 2f 00 00 eb }
   condition:
      ( uint16(0) == 0x5a4d and filesize < 200KB and ( all of ($s*) or all of ($op*) ) )
}