Saudi_Phish_Trojan

rule Saudi_Phish_Trojan {
   meta:
      description = "Detects a trojan used in Saudi Aramco Phishing"
      license = "Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE"
      author = "Florian Roth (Nextron Systems)"
      reference = "https://goo.gl/Z3JUAA"
      date = "2017-10-12"
      hash1 = "8ad94dc5d59aa1e9962c76fd5ca042e582566049a97aef9f5730ba779e5ebb91"
      id = "d805391d-1256-5dac-8585-ccf3391d4e91"
   strings:
      $s1 = { 7B 00 30 00 7D 00 7B 00 31 00 7D 00 5C 00 00 09
               2E 00 64 00 6C 00 6C 00 00 11 77 00 33 00 77 00
               70 00 2E 00 65 00 78 00 65 00 00 1B 61 00 73 00
               70 00 6E 00 65 00 74 00 5F 00 77 00 70 00 2E 00
               65 00 78 00 65 }
   condition:
      ( uint16(0) == 0x5a4d and filesize < 3000KB and 1 of them )
}