alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET ADWARE_PUP Win32/ReImageRepair.T CnC Checkin"; flow:established,to_server; http.uri; content:"/lib/evt.php?version="; startswith; fast_pattern; content:"&SessionID="; distance:2; within:14; reference:md5,39fef85fe114d96dde745b8ce0659b2e; classtype:pup-activity; sid:2037933; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_08_04, deployment Perimeter, confidence High, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_08_04;)