phillile at sourcefire.com
Tue Feb 20 07:14:57 EST 2018
Thanks for your submission. We will review the rules and get back to you when they're finished.
Can you send along the pcaps that you have?
> On Feb 19, 2018, at 1:26 PM, Y M via Snort-sigs <snort-sigs at lists.snort.org> wrote:
> This one for detecting Tiggre (aka SilverStart). Pcap is available.
> alert tcp $HOME_NET any -> $EXTERNAL_NET any (msg:"MALWARE-CNC Win.Trojan.Tiggre - SilverStar - outbound connection"; flow:to_server,established; content:"GET"; http_method; content:"/api.php?"; fast_pattern:only; content:"response="; http_uri; content:"&cpu="; http_uri; content:"&gpu="; http_uri; content:"&ram="; http_uri; metadata:ruleset community, service http; content:!"User-Agent"; http_header; content:!"Referer"; http_header; reference:url,www.virustotal.com/#/file/3f751799a501532f43ca5f12fe80aa0bad78f9f5d57e76bf49b401bb99f355df/detection <http://www.virustotal.com/#/file/3f751799a501532f43ca5f12fe80aa0bad78f9f5d57e76bf49b401bb99f355df/detection>; classtype:trojan-activity; sid:9000038; rev:1;)
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