Rule History

SID: 91651626 • Source: abuse.ch/threatfox

Versions (1)

Version Details

Rev: 1 • Nov 27, 2025, 12:30 PM

Message:

ThreatFox botnet C2 traffic (domain - confidence level: 100%)

Rule:

alert dns $HOME_NET any -> $EXTERNAL_NET any (msg:"ThreatFox botnet C2 traffic (domain - confidence level: 100%)"; dns_query; content:"b1.yydscd3.top"; depth:14; fast_pattern; isdataat:!1,relative; nocase; reference:url, threatfox.abuse.ch/ioc/1651626/; target:src_ip; metadata:confidence_level 100, first_seen 2025_11_27; classtype:trojan-activity; sid:91651626; rev:1;)

Created:

Nov 27, 2025, 12:30 PM

Updated:

Nov 27, 2025, 12:30 PM

DB Created:

Nov 27, 2025, 12:35 PM

DB Updated:

Nov 27, 2025, 12:35 PM

Archived:

May 27, 2026, 12:35 PM

Filename:

threatfox_suricata.rules