[Snort-sigs] Win.Trojan.Qarallax (QRAT)

Phillip Lee phillile at sourcefire.com
Tue May 1 10:41:26 EDT 2018


Yaser,

Thanks for your submission. We will review the rules and get back to you when they're finished. 

Can you send along the pcaps that you have? 

Regards,
Phil Lee
Cisco Talos

> On May 1, 2018, at 9:18 AM, Y M via Snort-sigs <snort-sigs at lists.snort.org> wrote:
> 
> Hi,
> 
> Pcaps are available for this one.
> 
> # Date: 2018-05-01
> # Title: Qarallax (QRAT)
> # Tests: pcap
> # Reference: https://twitter.com/James_inthe_box/status/951153660133699584 <https://twitter.com/James_inthe_box/status/951153660133699584>, https://www.virustotal.com/#/file/658f67dbf509fc017ace6db7ed38b3591fe72b9ba950a59054869cd718b4da2b/detection <https://www.virustotal.com/#/file/658f67dbf509fc017ace6db7ed38b3591fe72b9ba950a59054869cd718b4da2b/detection>
> 
> alert tcp $EXTERNAL_NET any -> $HOME_NET any (msg:"MALWARE-CNC Win.Trojan.Qarallax (QRAT) inbound connection"; flow:to_client,established; content:"|7B 22|masmag|22|:"; fast_pattern:only; content:"|22|masver|22|:"; metadata:ruleset community; reference:url,www.virustotal.com/#/file/658f67dbf509fc017ace6db7ed38b3591fe72b9ba950a59054869cd718b4da2b/detection <http://www.virustotal.com/#/file/658f67dbf509fc017ace6db7ed38b3591fe72b9ba950a59054869cd718b4da2b/detection>; reference:url,twitter.com/James_inthe_box/status/951153660133699584 <http://twitter.com/James_inthe_box/status/951153660133699584>; classtype:trojan-activity; sid:8000030; rev:1;)
> alert tcp $HOME_NET any -> $EXTERNAL_NET any (msg:"MALWARE-CNC Win.Trojan.Qarallax (QRAT) outbound connection"; flow:to_server,established; content:"|7B 22|magic|22|:"; fast_pattern:only; content:"|22|index|22|:"; metadata:ruleset community; reference:url,www.virustotal.com/#/file/658f67dbf509fc017ace6db7ed38b3591fe72b9ba950a59054869cd718b4da2b/detection <http://www.virustotal.com/#/file/658f67dbf509fc017ace6db7ed38b3591fe72b9ba950a59054869cd718b4da2b/detection>; reference:url,twitter.com/James_inthe_box/status/951153660133699584 <http://twitter.com/James_inthe_box/status/951153660133699584>; classtype:trojan-activity; sid:8000031; rev:1;)
> alert tcp any any -> any any (msg:"MALWARE-CNC Win.Trojan.Qarallax (QRAT) keep-alive connection"; flow:established; dsize:19; content:"|7B 22|state|22|:|22|alive|22 7D|"; fast_pattern:only; metadata:ruleset community; reference:url,www.virustotal.com/#/file/658f67dbf509fc017ace6db7ed38b3591fe72b9ba950a59054869cd718b4da2b/detection <http://www.virustotal.com/#/file/658f67dbf509fc017ace6db7ed38b3591fe72b9ba950a59054869cd718b4da2b/detection>; reference:url,twitter.com/James_inthe_box/status/951153660133699584 <http://twitter.com/James_inthe_box/status/951153660133699584>; classtype:trojan-activity; sid:8000032; rev:1;)
> 
> Thanks.
> YM
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