alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET ADWARE_PUP IE homepage hijacking"; flow:from_server,established; content:"wsh.RegWrite"; nocase; content:"HKLM\\\\Software\\\\Microsoft\\\\Internet Explorer\\\\Main\\\\Start Page"; nocase; reference:url,www.geek.com/news/geeknews/2004Jun/gee20040610025522.htm; classtype:pup-activity; sid:2000514; rev:9; metadata:created_at 2010_07_30, signature_severity Minor, updated_at 2019_08_14;)