alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET ADWARE_PUP GMUnpackerInstaller.A Checkin"; flow:to_server,established; http.uri; content:"/new/rar.xml"; fast_pattern; nocase; http.header_names; content:!"User-Agent|0d 0a|"; nocase; reference:md5,43e89125ad40b18d22e01f997da8929a; classtype:pup-activity; sid:2017892; rev:5; metadata:created_at 2013_12_20, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_10_12;)