alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET ADWARE_PUP Win32/MobiGame Install Stats Checkin M2"; flow:established,to_server; http.request_line; content:"GET /action?hwid="; startswith; content:"&macAddress="; distance:0; content:"&ipAddressLocal="; distance:0; fast_pattern; content:"&installDate="; distance:0; http.header_names; content:!"|0d 0a|Referer|0d 0a|"; content:!"|0d 0a|User-Agent|0d 0a|"; reference:md5,18f26612bc642daa9b269660eb585500; classtype:pup-activity; sid:2033910; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2021_09_08, deployment Perimeter, performance_impact Low, confidence High, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_09_08, mitre_tactic_id TA0040, mitre_tactic_name Impact, mitre_technique_id T1496, mitre_technique_name Resource_Hijacking;)