Fireball_lancer

rule Fireball_lancer {
   meta:
      description = "Detects Fireball malware - file lancer.dll"
      license = "Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE"
      author = "Florian Roth (Nextron Systems)"
      reference = "https://goo.gl/4pTkGQ"
      date = "2017-06-02"
      hash1 = "7d68386554e514f38f98f24e8056c11c0a227602ed179d54ed08f2251dc9ea93"
      id = "2209bcb4-74a6-5c39-962c-ccd4ce62619e"
   strings:
      $x1 = "\\instlsp\\Release\\Lancer.pdb" ascii
      $x2 = "lanceruse.dat" fullword wide

      $s1 = "Lancer.dll" fullword ascii
      $s2 = "RunDll32.exe \"" fullword wide
      $s3 = "Micr.dll" fullword wide
      $s4 = "AG64.dll" fullword wide
      $s5 = "\",Start" fullword wide
   condition:
      ( uint16(0) == 0x5a4d and filesize < 400KB and ( 1 of ($x*) or 3 of ($s*) ) ) or ( 6 of them )
}