alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET WEB_CLIENT BeEF Related JS Activity M3"; flow:established,to_client; file.data; content:"throw new Error|28 22|Network response was not ok|22 29 3b|"; content:"url|3a|{beef|3a 22|"; distance:0; fast_pattern; reference:url,beefproject.com/; classtype:attempted-user; sid:2052508; rev:1; metadata:attack_target Client_Endpoint, created_at 2024_05_08, deployment Perimeter, performance_impact Low, confidence High, 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;)