Snort mailing list archives
Win.Backdoor.StoneDrill
From: Y M <snort () outlook com>
Date: Tue, 7 Mar 2017 20:31:05 +0000
Hello, Hope all is well. The below rules were derived from the reference report. No pcaps are available, so the rules are only sanity checked. alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"MALWARE-CNC Win.Backdoor.StoneDrill server selection outbound connection"; flow:to_server,established; content:"GET"; http_method; content:"/ct_if/ctpublic/Check_Exist.php"; fast_pattern:only; http_uri; metadata:ruleset community, service http; reference:url,securelist.com/files/2017/03/Report_Shamoon_StoneDrill_final.pdf; classtype:trojan-activity; sid:1000870; rev:1;) alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"MALWARE-CNC Win.Backdoor.StoneDrill login outbound connection"; flow:to_server,established; content:"POST"; http_method; content:"username=MD5Sum"; fast_pattern:only; http_client_body; content:"&password=MD5Sum"; http_client_body; content:"&button=Login"; http_client_body; content:"Referer|3A 20|"; http_header; content:"Connection|3A 20|close|0D 0A|"; http_header; content:" Firefox/23.0|0D 0A|"; http_header; metadata:ruleset community, service http; reference:url,securelist.com/files/2017/03/Report_Shamoon_StoneDrill_final.pdf; classtype:trojan-activity; sid:1000871; rev:1;) alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"MALWARE-CNC Win.Backdoor.StoneDrill get commands outbound connection"; flow:to_server,established; content:"GET"; http_method; content:"/insert/index?id="; fast_pattern:only; http_uri; content:"&hst="; http_uri; content:"&ttype="; http_uri; content:"&state="; http_uri; content:"Cookie|3A 20|"; http_header; content:"Conneciton|3A 20|close|0D 0A|"; http_header; metadata:ruleset community, service http; reference:url,securelist.com/files/2017/03/Report_Shamoon_StoneDrill_final.pdf; classtype:trojan-activity; sid:1000872; rev:1;) Thank you. YM
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Current thread:
- Win.Backdoor.StoneDrill Y M (Mar 07)
- Re: Win.Backdoor.StoneDrill Tyler Montier (Mar 08)