YARA rules for TSCookie
1 rules · scoped to tool · back to TSCookie
YARA rules whose family, name, or description matches this tool or its tooling. Use these for binary-pattern hunts.
rule TSCookie_RAT {
meta:
description = "Detects TSCookie RAT"
license = "Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE"
author = "Florian Roth (Nextron Systems)"
reference = "http://blog.jpcert.or.jp/2018/03/malware-tscooki-7aa0.html"
date = "2018-03-06"
hash1 = "2bd13d63797864a70b775bd1994016f5052dc8fd1fd83ce1c13234b5d304330d"
id = "a2b6c598-4498-5c0a-9257-b0bf6cd28de9"
strings:
$x1 = "[-] DecryptPassword_Outlook failed(err=%d)" fullword ascii
$x2 = "----------------------- Firefox Passwords ------------------" fullword ascii
$x3 = "--------------- Outlook Passwords ------------------" fullword ascii
$x4 = "----------------------- IE Passwords ------------------" fullword ascii
condition:
uint16(0) == 0x5a4d and filesize < 1000KB and (
( pe.exports("DoWork") and pe.exports("PrintF") ) or
1 of them
)
}