EquationGroup_Toolset_Apr17__EAFU_ecwi_ESKE_EVFR_RPC2_4

rule EquationGroup_Toolset_Apr17__EAFU_ecwi_ESKE_EVFR_RPC2_4 {
   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"
      super_rule = 1
      hash1 = "3e181ca31f1f75a6244b8e72afaa630171f182fbe907df4f8b656cc4a31602f6"
      hash2 = "c4152f65e45ff327dade50f1ac3d3b876572a66c1ce03014f2877cea715d9afd"
      hash3 = "9d16d97a6c964e0658b6cd494b0bbf70674bf37578e2ff32c4779a7936e40556"
      hash4 = "c5e119ff7b47333f415aea1d2a43cb6cb322f8518562cfb9b90399cac95ac674"
      hash5 = "5c0896dbafc5d8cc19b1bc7924420b20ed5999ac5bee2cb5a91aada0ea01e337"
      id = "9dc9ed95-5233-56e1-b8f1-4f27f43e7e43"
   strings:
      $x1 = "* Listening Post DLL %s() returned error code %d." fullword ascii

      $s1 = "WsaErrorTooManyProcesses" fullword ascii
      $s2 = "NtErrorMoreProcessingRequired" fullword ascii
      $s3 = "Connection closed by remote host (TCP Ack/Fin)" fullword ascii
      $s4 = "ServerErrorBadNamePassword" fullword ascii
   condition:
      ( uint16(0) == 0x5a4d and filesize < 2000KB and all of ($s*) or 1 of ($x*) )
}