alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET ADWARE_PUP Virtumonde Spyware Code Download bkinst.exe"; flow:established,to_server; http.uri; content:"/bkinst.exe"; nocase; http.host; content:"virtumonde.com"; fast_pattern; reference:url,www.lurhq.com/iframeads.html; classtype:pup-activity; sid:2001526; rev:25; metadata:attack_target Client_Endpoint, created_at 2010_07_30, deployment Perimeter, signature_severity Minor, updated_at 2024_03_01, mitre_tactic_id TA0009, mitre_tactic_name Collection, mitre_technique_id T1005, mitre_technique_name Data_from_local_system;)