alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET ADWARE_PUP IEHelp.net Spyware Installer"; flow:established,to_server; content:"/counter/help.chm"; nocase; http_uri; reference:url,securityresponse.symantec.com/avcenter/venc/data/trojan.domcom.html; classtype:pup-activity; sid:2002090; rev:8; metadata:attack_target Client_Endpoint, created_at 2010_07_30, deployment Perimeter, signature_severity Minor, updated_at 2019_08_14, mitre_tactic_id TA0009, mitre_tactic_name Collection, mitre_technique_id T1005, mitre_technique_name Data_from_local_system;)