alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET ADWARE_PUP Lantern Checkin"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"/getlantern/data?action=startup&deviceID="; startswith; fast_pattern; content:"&goarch="; distance:0; content:"&osName="; distance:0; content:"&secret="; distance:0; reference:md5,0d79f6cae6898ab27f2df1740aedbbec; classtype:pup-activity; sid:2034314; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2021_11_01, deployment Perimeter, performance_impact Low, confidence High, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_11_01, mitre_tactic_id TA0040, mitre_tactic_name Impact, mitre_technique_id T1496, mitre_technique_name Resource_Hijacking;)