alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET EXPLOIT_KIT BlueMoon EK JS Loader M1"; flow:established,to_client; content:"mode|3a|"; content:"stopAfter|3a|"; content:"exeUrl|3a|"; content:"dryRun|3a|"; content:"forceStage2"; content:"forcepp|3a|"; content:"ppsplit|3a|"; content:"p2split|3a|"; content:"runFinalPayload|3a|"; fast_pattern; classtype:exploit-kit; sid:2071919; rev:1; metadata:attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2026_09_04, deployment Perimeter, malware_family BlueMoonEK, confidence High, signature_severity Major, tag Exploit, updated_at 2026_09_04, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1189, mitre_technique_name Drive_by_Compromise; target:dest_ip;)