rule Foudre_Backdoor_1 {
meta:
description = "Detects Foudre Backdoor"
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 = "7e73a727dc8f3c48e58468c3fd0a193a027d085f25fa274a6e187cf503f01f74"
hash2 = "7ce2c5111e3560aa6036f98b48ceafe83aa1ac3d3b33392835316c859970f8bc"
id = "ab2d43f4-fc35-5980-9b5d-98c5c4cfd012"
strings:
$s1 = "initialization failed: Reinstall the program" fullword wide
$s2 = "SnailDriver V1" fullword wide
$s3 = "lp.ini" fullword wide
condition:
( uint16(0) == 0x5a4d and filesize < 100KB and 2 of them )
}