alert http $EXTERNAL_NET any -> [$HTTP_SERVERS,$HOME_NET] any (msg:"ET EXPLOIT Linksys E1500/E2500 Remote Command Execution 3"; flow:established,to_server; urilen:10; http.method; content:"POST"; http.uri; content:"/apply.cgi"; fast_pattern; http.request_body; content:"submit|5f|button|3d|index|26|action|3d|"; startswith; content:"|26|adj|5f|time|5f|year|3d 24 28|"; distance:0; reference:url,homesupport.cisco.com/de-eu/support/routers/E1500; reference:url,exploit-db.com/exploits/24936; classtype:attempted-admin; sid:2057809; rev:1; metadata:affected_product Router, attack_target Networking_Equipment, tls_state TLSDecrypt, created_at 2024_11_25, deployment Perimeter, deployment SSLDecrypt, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_11_25, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;)