alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET ADWARE_PUP Simbar Spyware User-Agent Detected"; flow:established,to_server; http.user_agent; content:"|3b 20|SIMBAR={"; reference:url,research.sunbelt-software.com/threatdisplay.aspx?name=AdWare.Win32.Simbar.a&threatid=427805; reference:url,vil.nai.com/vil/content/v_131206.htm; classtype:pup-activity; sid:2009005; rev:12; metadata:attack_target Client_Endpoint, created_at 2010_07_30, deployment Perimeter, confidence High, signature_severity Minor, tag Spyware_User_Agent, updated_at 2020_08_31;)