Win.Trojan.NetSupport RAT sig(s)

[Y M via Snort-sigs <snort-sigs () lists snort org>]

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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