[Snort-sigs] Osx.Trojan.Coldroot

Phillip Lee phillile at sourcefire.com
Tue Apr 3 09:37:51 EDT 2018


Yaser,

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

Regards,
Phil Lee
Cisco Talos
> On Apr 3, 2018, at 9:11 AM, Y M via Snort-sigs <snort-sigs at lists.snort.org> wrote:
> 
> Hi,
> 
> The below rule is for Coldroot RAT. Unfortunately, I don't have a pcap for this one.
> 
> alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"MALWARE-CNC Osx.Torjan.ColdRoot outbound connection"; flow:to_server,established; content:"|7B 22|Ver|22 3A|"; content:"|2C 22|RAM|22 3A|"; fast_pattern:only; content:"|2C 22|CAM|22 3A|"; content:"|2C 22|Serial|22 3A|"; content:"|2C 22|PCName|22 3A|"; content:"|2C 22|OS|22 3A|"; content:"|2C 22|ID|22 3A|"; content:"|2C 22|AW|22 3A|"; content:"|2C 22|AV|22 3A|"; metadata:ruleset community; reference:url,objective-see.com/blog/blog_0x2A.html <http://objective-see.com/blog/blog_0x2A.html>; reference:url,www.virustotal.com/#/file/ad99954171ca4a949c4d82f4851d29e6d19323087df92a7d7133c13950569f29/detection <http://www.virustotal.com/#/file/ad99954171ca4a949c4d82f4851d29e6d19323087df92a7d7133c13950569f29/detection>; classtype:trojan-activity; sid:9000048; rev:1;)
> 
> Thank.
> YM

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