EquationGroup_porkclient

rule EquationGroup_porkclient {
   meta:
      description = "Equation Group hack tool leaked by ShadowBrokers- file porkclient"
      license = "Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE"
      author = "Florian Roth (Nextron Systems)"
      reference = "https://medium.com/@shadowbrokerss/dont-forget-your-base-867d304a94b1"
      date = "2017-04-08"
      hash1 = "5c14e3bcbf230a1d7e2909876b045e34b1486c8df3c85fb582d9c93ad7c57748"
      id = "5b34d5f9-bc76-5cc7-92f7-32c2b7ef7bcf"
   strings:
      $s1 = "-c COMMAND: shell command string" fullword ascii
      $s2 = "Cannot combine shell command mode with args to do socket reuse" fullword ascii
      $s3 = "-r: Reuse socket for Nopen connection (requires -t, -d, -f, -n, NO -c)" fullword ascii
   condition:
      ( uint16(0) == 0x457f and filesize < 30KB and 1 of them )
}