alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET EXPLOIT Linksys WRT54g Authentication Bypass Attempt"; flow:established,to_server; content:"/Security.tri"; http_uri; nocase; content:"SecurityMode=0"; nocase; reference:url,secunia.com/advisories/21372/; classtype:attempted-admin; sid:2003072; rev:6; metadata:created_at 2010_07_30, deployment Perimeter, deployment Internal, confidence High, signature_severity Major, updated_at 2024_11_26, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application; target:dest_ip;)