alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Win32/PSW.QQPass.OZV Variant Checkin"; flow:established,to_server; http.uri; content:"/cpa"; content:".asp?mac="; distance:2; within:9; content:"&os="; distance:0; content:"&ip="; distance:0; content:"&dz="; distance:0; content:"&ver="; distance:0; reference:md5,12ff8df1941f941bab531f60a5a97556; classtype:command-and-control; sid:2029244; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_01_09, deployment Perimeter, malware_family Win32_PSW_QQPass_OZV, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_08_19;)