Re: Osx.Trojan.Coldroot

[Phillip Lee <phillile () sourcefire com>]

Hi Yaser,
After reviewing this rule, we have decided not to add it to the community ruleset. We have existing coverage via 
sid:46156  We appreciate your contribution.

Regards,
Phil Lee
Cisco Talos

> On Apr 3, 2018, at 9:37 AM, Phillip Lee <phillile () sourcefire com> wrote:
>
> 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 () lists snort org <mailto:snort-sigs () 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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