alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET WEB_SPECIFIC_APPS phpBB3 multiple login attempts"; flow:established,to_server; http.method; content:"POST"; nocase; http.uri; content:"/ucp.php"; fast_pattern; nocase; content:"mode=login"; threshold:type threshold, track by_src, count 2, seconds 60; classtype:attempted-user; sid:2010899; rev:4; metadata:created_at 2010_07_30, signature_severity Major, updated_at 2024_03_16;)