alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET ADWARE_PUP Win32/Adware.WDJiange.A CnC Checkin M1"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"sid="; pcre:"/^[A-F0-9]{12}/UR"; content:"type="; content:"pn="; http.user_agent; content:"AppName|3a|"; content:"|3b 20|Compiled|3a|"; distance:0; content:"|3b 20|WinVer|3a|"; distance:0; content:"paX86|3b 20|"; fast_pattern; distance:0; content:"AdapterCount|3a|"; reference:md5,01295975d0d61acbb8a9b28a22a66323; classtype:pup-activity; sid:2039127; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_10_07, deployment Perimeter, performance_impact Low, confidence High, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_10_07;)