/*
This Yara ruleset is under the GNU-GPLv2 license (http://www.gnu.org/licenses/gpl-2.0.html) and open to any user or organization, as long as you use it under this license.
*/
rule liudoor
{
meta:
author = "RSA FirstWatch"
date = "2015-07-23"
description = "Detects Liudoor daemon backdoor"
hash0 = "78b56bc3edbee3a425c96738760ee406"
hash1 = "5aa0510f6f1b0e48f0303b9a4bfc641e"
hash2 = "531d30c8ee27d62e6fbe855299d0e7de"
hash3 = "2be2ac65fd97ccc97027184f0310f2f3"
hash4 = "6093505c7f7ec25b1934d3657649ef07"
type = "Win32 DLL"
strings:
$string0 = "Succ"
$string1 = "Fail"
$string2 = "pass"
$string3 = "exit"
$string4 = "svchostdllserver.dll"
$string5 = "L$,PQR"
$string6 = "0/0B0H0Q0W0k0"
$string7 = "QSUVWh"
$string8 = "Ht Hu["
condition:
all of them
}