alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET WEB_SPECIFIC_APPS phpBB3 registration (Bogus Stage3 GET)"; flow:established,to_server; http.method; content:"GET"; nocase; http.uri; content:"/ucp.php"; nocase; content:"mode=confirm"; fast_pattern; content:"id="; pcre:"/(\?|&)id=/i"; content:"type="; classtype:web-application-attack; sid:2010898; rev:4; metadata:created_at 2010_07_30, signature_severity Major, updated_at 2024_03_16;)