alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE FakeAV Win32/Antivirus2008 CnC Beacon"; flow:established,to_server; http.uri; content:"nick="; fast_pattern; nocase; content:"&group="; nocase; content:"&os="; http.user_agent; bsize:7; content:"Mozilla"; classtype:command-and-control; sid:2008483; rev:10; metadata:attack_target Client_Endpoint, created_at 2010_07_30, deployment Perimeter, malware_family Win32_Antivirus2008, signature_severity Major, tag c2, updated_at 2024_03_10, mitre_tactic_id TA0010, mitre_tactic_name Exfiltration, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel;)