Versions (4)
Version DetailsCurrent
Rev: 1 • May 8, 2024, 12:00 PMET WEB_CLIENT BeEF Related JS Activity M4
alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET WEB_CLIENT BeEF Related JS Activity M4"; flow:established,to_client; file.data; content:"await|20|window.flk.start|28|window.flk.url.beef|29|"; fast_pattern; reference:url,beefproject.com/; classtype:attempted-user; sid:2052509; rev:1; metadata:attack_target Client_Endpoint, created_at 2024_05_08, deployment Perimeter, performance_impact Low, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_05_08, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1189, mitre_technique_name Drive_by_Compromise; target:dest_ip;)
May 8, 2024, 12:00 PM
May 8, 2024, 12:00 PM
Sep 21, 2024, 3:00 AM
Aug 11, 2025, 10:35 PM
rules/emerging-web_client.rules