Foudre_Backdoor_SFX

rule Foudre_Backdoor_SFX {
   meta:
      description = "Detects Foudre Backdoor SFX"
      license = "Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE"
      author = "Florian Roth (Nextron Systems)"
      reference = "https://goo.gl/Nbqbt6"
      date = "2017-08-01"
      hash1 = "2b37ce9e31625d8b9e51b88418d4bf38ed28c77d98ca59a09daab01be36d405a"
      hash2 = "4d51a0ea4ecc62456295873ff135e4d94d5899c4de749621bafcedbf4417c472"
      id = "b5c7cd6b-48c8-5703-b695-19d226de1810"
   strings:
      $s1 = "main.exe" fullword ascii
      $s2 = "pub.key" fullword ascii
      $s3 = "WinRAR self-extracting archive" fullword wide
   condition:
      ( uint16(0) == 0x5a4d and filesize < 2000KB and all of them )
}