rule Suspicious_AutoIt_by_Microsoft {
meta:
description = "Detects a AutoIt script with Microsoft identification"
license = "Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE"
author = "Florian Roth (Nextron Systems)"
reference = "Internal Research - VT"
date = "2017-12-14"
score = 60
hash1 = "c0cbcc598d4e8b501aa0bd92115b4c68ccda0993ca0c6ce19edd2e04416b6213"
id = "69b1c93d-ab12-5fdc-b6eb-fb135796d3a9"
strings:
$s1 = "Microsoft Corporation. All rights reserved" fullword wide
$s2 = "AutoIt" fullword ascii
condition:
uint16(0) == 0x5a4d and filesize < 2000KB and all of them
}