Rule History

SID: 2061985 • Source: et/open

Versions (2)

Version DetailsCurrent

Rev: 5 • Apr 29, 2025, 12:00 PM

Message:

ET EXPLOIT_KIT Observed ClickFix Related Domain (life223 .center in TLS SNI)

Rule:

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET EXPLOIT_KIT Observed ClickFix Related Domain (life223 .center in TLS SNI)"; flow:established,to_server; tls.sni; dotprefix; content:".life223.center"; endswith; fast_pattern; classtype:exploit-kit; sid:2061985; rev:5; metadata:affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2025_04_29, deployment Perimeter, former_category MALWARE, malware_family ClickFix, performance_impact Low, confidence High, signature_severity Minor, tag Exploit_Kit, tag compromised_website, updated_at 2025_04_29, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1189, mitre_technique_name Drive_by_Compromise;)

Created:

Apr 29, 2025, 12:00 PM

Updated:

Apr 29, 2025, 12:00 PM

DB Created:

Apr 29, 2025, 9:34 PM

DB Updated:

Apr 29, 2025, 9:34 PM

Filename:

rules/emerging-exploit_kit.rules