Snort mailing list archives
Re: Win.Trojan.CowerSnail signatures
From: Tyler Montier <tmontier () sourcefire com>
Date: Mon, 31 Jul 2017 09:30:53 -0400
Yaser, Thanks for your submission. We will review the rules and get back to you when they're finished. Thanks, Tyler Montier Cisco Talos On Mon, Jul 31, 2017 at 8:35 AM, Y M via Snort-sigs < snort-sigs () lists snort org> wrote:
Hello, Another set of signatures derived from references. A pcap was downloaded from the reference and tested against. alert tcp $HOME_NET any -> $EXTERNAL_NET any (msg:"MALWARE-CNC Win.Trojan.CowerSnail outbound connection attempt"; flow:to_server,established; content:"+CHANNEL|0B|"; fast_pattern:only; content:"line-client"; distance:0; reference:url,securelist.com/ cowersnail-from-the-creators-of-sambacry/79087/; reference:url,www.hybrid- analysis.com/sample/3fb8a4d2ed4f662a4cb4270bb5f488 b79c8758aa6fc5c8b119c78fba38d6b7d1; metadata:ruleset community; classtype:trojan-activity; sid:110002; rev:1;) alert tcp $EXTERNAL_NET any -> $HOME_NET any (msg:"MALWARE-CNC Win.Trojan.CowerSnail outbound connection attempt"; flow:to_client,established; content:"R|00|e|00|q|00|u|00|e|00|s|00|t|00|"; fast_pattern:only; content:"|00|a|00|r|00|g|00|"; distance:0; content:"|00|t|00|y|00|p|00|e|00|"; distance:0; reference:url, securelist.com/cowersnail-from-the-creators-of-sambacry/79087/; reference:url,www.hybrid-analysis.com/sample/ 3fb8a4d2ed4f662a4cb4270bb5f488b79c8758aa6fc5c8b119c78fba38d6b7d1; metadata:ruleset community; classtype:trojan-activity; sid:110003; rev:1;) Thanks. YM _______________________________________________ Snort-sigs mailing list Snort-sigs () lists snort org https://lists.snort.org/mailman/listinfo/snort-sigs http://www.snort.org Please visit http://blog.snort.org for the latest news about Snort! Visit the Snort.org to subscribe to the official Snort ruleset, make sure to stay up to date to catch the most <a href=" https://snort.org/downloads/#rule-downloads">emerging threats</a>!
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Current thread:
- Win.Trojan.CowerSnail signatures Y M via Snort-sigs (Jul 31)
- Re: Win.Trojan.CowerSnail signatures Tyler Montier (Jul 31)