Rule History

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET ADWARE_PUP W32/InstallRex.Adware Initial CnC Beacon"; flow:established,to_server; http.uri; content:"/?step_id="; content:"&publisher_id="; content:"&page_id="; content:"&country_code="; content:"&browser_id="; content:"&download_id="; content:"&hardware_id="; reference:md5,9abbb5ea3f55b5182687db69af6cba66; classtype:pup-activity; sid:2017911; rev:4; metadata:attack_target Client_Endpoint, created_at 2013_12_30, deployment Perimeter, signature_severity Minor, tag c2, updated_at 2020_08_31, mitre_tactic_id TA0010, mitre_tactic_name Exfiltration, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel;)