Re: Win.Trojan.NetSupport RAT sig(s)

[jack () malwarefor me]

For what it's worth, I would be careful classifying this as TROJAN/MALWARE as it is a legitimate tool being abused 
(sort of like TeamViewer). 


Best,


Jack

> On October 26, 2017 at 5:09 AM Y M via Snort-sigs <snort-sigs () lists snort org> wrote:
>
>
>     Hello, 
>
>
>     The below rule is for detecting the NetSupport RAT. PCAP is available.
>
>
>     alert tcp $HOME_NET any -> $EXTERNAL_NET any (msg:"MALWARE-CNC Win.Trojan.NetSupport RAT outbound connection 
> attempt"; flow:to_server,established; content:"POST"; content:"User-Agent|3A 20|NetSupport Manager/"; nocase; 
> fast_pattern:only; content:".htm HTTP"; content:"|0A 0A|CMD="; metadata:ruleset community, service http; 
> reference:url,www.virustotal.com/#/file/b87ef28981defd135496e25233cc7a47a376a75ddea97fcd4c0927995dd22e47/detection; 
> reference:url,twitter.com/thlnk3r/status/923291439336890368; 
> reference:url,https://www.hybrid-analysis.com/sample/b87ef28981defd135496e25233cc7a47a376a75ddea97fcd4c0927995dd22e47;
>  classtype:trojan-activity; sid:9000001; rev:1;)
>
>
>     Thank you.
>
>     YM


 

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