Empire_Invoke_InveighRelay_Gen

rule Empire_Invoke_InveighRelay_Gen {
   meta:
      description = "Detects Empire component - from files Invoke-InveighRelay.ps1, Invoke-InveighRelay.ps1"
      license = "Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE"
      author = "Florian Roth (Nextron Systems)"
      reference = "https://github.com/adaptivethreat/Empire"
      date = "2016-11-05"
      super_rule = 1
      hash2 = "21b90762150f804485219ad36fa509aeda210d46453307a9761c816040312f41"
      id = "0adebf6f-99e1-5461-8efc-e4660faf6d5d"
   strings:
      $s1 = "$inveigh.SMBRelay_failed_list.Add(\"$HTTP_NTLM_domain_string\\$HTTP_NTLM_user_string $SMBRelayTarget\")" fullword ascii
      $s2 = "$NTLM_challenge_base64 = [System.Convert]::ToBase64String($HTTP_NTLM_bytes)" fullword ascii
   condition:
      ( uint16(0) == 0x7566 and filesize < 200KB and 1 of them ) or all of them
}