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.
*/
/*
Yara Rule Set
Author: Florian Roth
Date: 2016-06-09
Identifier: Turla Samples from RUAG Cyber Attack
*/
/* Rule Set ----------------------------------------------------------------- */
description = "This sample was pulled from the bae systems snake campaign report. The Turla dropper creates a file in teh temp dir and registers an auto start service call \"RPC Endpoint Locator\"."
strings:
$type="Microsoft-Windows-Security-Auditing"
$eventid="4688"
$data="AppData\\Local\\Temp\\rsys.exe"
$type1="Service Control Manager"
$eventid1="7036"
$data1="RPC Endpoint Locator"
$data2="running"
$type2="Service Control Manager"
$eventid2="7045"
$data3="RPC Endpoint Locator"
$data4="user mode service"
$data5="auto start"
condition:
($type and $eventid and $data) or ($type1 and $eventid1 and $data1 and $data2 and $type2 and $eventid2 and $data3 and $data4 and $data5)