alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET ADWARE_PUP SecureDriverUpdater Checkin"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"/driverupdateservicenewsdu/updateservice.asmx"; bsize:45; http.header; content:"SOAPAction|3a 20 22|http://systweak.com/GetDriverUpdatesData1|22 0d 0a|"; fast_pattern; reference:md5,783aef84f5b315704ff6b064a00e2573; classtype:pup-activity; sid:2034295; rev:2; metadata:attack_target Client_Endpoint, created_at 2021_10_29, deployment Perimeter, performance_impact Low, confidence High, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_10_29, mitre_tactic_id TA0040, mitre_tactic_name Impact, mitre_technique_id T1496, mitre_technique_name Resource_Hijacking;)