alert http $EXTERNAL_NET any -> $HTTP_SERVERS any (msg:"ET DELETED Online Scheduling System 1.0 - Authentication Bypass Attempt"; flow:established,to_server; http.method; content:"POST"; http.uri.raw; content:"/Online%20Scheduling%20System/"; http.request_body; content:"username=0&password=0&lgn=Login"; startswith; fast_pattern; reference:url,www.exploit-db.com/exploits/48409; classtype:attempted-admin; sid:2030107; rev:2; metadata:created_at 2020_05_05, deployment Perimeter, deployment Internal, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, 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;)