Slingshot_APT_Malware_4

rule Slingshot_APT_Malware_4 {
   meta:
      description = "Detects malware from Slingshot APT"
      license = "Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE"
      author = "Florian Roth (Nextron Systems)"
      reference = "https://securelist.com/apt-slingshot/84312/"
      date = "2018-03-09"
      hash1 = "38c4f5320b03cbaf5c14997ea321507730a8c16906e5906cbf458139c91d5945"
      id = "0f957330-1834-550f-ba5d-fb2bf0dfba7f"
   strings:
      $x1 = "Ss -a 4104 -s 257092 -o 8 -l 406016 -r 4096 -z 315440" fullword wide

      $s1 = "Slingshot" fullword ascii
      $s2 = "\\\\?\\e:\\$Recycle.Bin\\" wide
      $s3 = "LineRecs.reloc" fullword ascii
      $s4 = "EXITGNG" fullword ascii
   condition:
      uint16(0) == 0x5a4d and filesize < 1000KB and (
         $x1 or 2 of them
      )
}