EquationGroup_DUL

rule EquationGroup_DUL {
   meta:
      description = "Equation Group hack tool leaked by ShadowBrokers- file DUL"
      license = "Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE"
      author = "Florian Roth (Nextron Systems)"
      reference = "https://medium.com/@shadowbrokerss/dont-forget-your-base-867d304a94b1"
      date = "2017-04-08"
      hash1 = "24d1d50960d4ebf348b48b4db4a15e50f328ab2c0e24db805b106d527fc5fe8e"
      id = "6dd90b30-30cb-531c-b8e2-fc208b21e8e6"
   strings:
      $x1 = "?Usage: %s <shellcode> <output_file>" fullword ascii
      $x2 = "Here is the decoder+(encoded-decoder)+payload" fullword ascii
   condition:
      ( uint16(0) == 0x457f and filesize < 80KB and 1 of them ) or ( all of them )
}