MAL_CN_FlyStudio_May18_1

rule MAL_CN_FlyStudio_May18_1 {
   meta:
      description = "Detects malware / hacktool detected in May 2018"
      license = "Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE"
      author = "Florian Roth (Nextron Systems)"
      reference = "Internal Research"
      date = "2018-05-11"
      hash1 = "b85147366890598518d4f277d44506eef871fd7fc6050d8f8e68889cae066d9e"
      id = "b78b9ea0-5eef-5922-b5d7-d3c5ddce7fad"
   strings:
      $s1 = "WTNE / MADE BY E COMPILER - WUTAO " fullword ascii
      $s2 = "www.cfyhack.cn" fullword ascii
   condition:
      uint16(0) == 0x5a4d and filesize < 5000KB and (
         pe.imphash() == "65ae5cf17140aeaf91e3e9911da0ee3e" or
         1 of them
      )
}