Empire_Exploit_Jenkins

rule Empire_Exploit_Jenkins {
   meta:
      description = "Detects Empire component - file Exploit-Jenkins.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"
      hash1 = "a5182cccd82bb9984b804b365e07baba78344108f225b94bd12a59081f680729"
      id = "f2162783-34cd-5db4-bd1c-6c58feb92e77"
   strings:
      $s1 = "$postdata=\"script=println+new+ProcessBuilder%28%27\"+$($Cmd)+\"" ascii
      $s2 = "$url = \"http://\"+$($Rhost)+\":\"+$($Port)+\"/script\"" fullword ascii
      $s3 = "$Cmd = [System.Web.HttpUtility]::UrlEncode($Cmd)" fullword ascii
   condition:
      ( uint16(0) == 0x6620 and filesize < 7KB and 1 of them ) or all of them
}