APT_FIN7_EXE_Sample_Aug18_6

rule APT_FIN7_EXE_Sample_Aug18_6 {
   meta:
      description = "Detects sample from FIN7 report in August 2018"
      license = "Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE"
      author = "Florian Roth (Nextron Systems)"
      reference = "https://www.fireeye.com/blog/threat-research/2018/08/fin7-pursuing-an-enigmatic-and-evasive-global-criminal-operation.html"
      date = "2018-08-01"
      hash1 = "1439d301d931c8c4b00717b9057b23f0eb50049916a48773b17397135194424a"
      id = "2b2e6b74-5d71-5656-8faf-37c94607d93e"
   strings:
      $s1 = "coreServiceShell.exe" fullword ascii
      $s2 = "PtSessionAgent.exe" fullword ascii
      $s3 = "TiniMetI.exe" fullword ascii
      $s4 = "PwmSvc.exe" fullword ascii
      $s5 = "uiSeAgnt.exe" fullword ascii
      $s7 = "LHOST:" fullword ascii
      $s8 = "TRANSPORT:" fullword ascii
      $s9 = "LPORT:" fullword ascii
   condition:
      uint16(0) == 0x5a4d and filesize < 20KB and (
         pe.exports("TiniStart") or
         4 of them
      )
}