Rule History

alert dns $HOME_NET any -> $EXTERNAL_NET any (msg:"ThreatFox payload delivery (domain - confidence level: 100%)"; dns_query; content:"flak8e.frostdrop.ru"; depth:19; fast_pattern; isdataat:!1,relative; nocase; reference:url, threatfox.abuse.ch/ioc/1651607/; target:src_ip; metadata: confidence_level 100, first_seen 2025_11_27; classtype:trojan-activity; sid:91651607; rev:1;)