alert http any any -> $HOME_NET any (msg:"ET WEB_SPECIFIC_APPS Zyxel NAS Privilege Escalation and Information Disclosure (CVE-2024-29976)"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/cmd|2c|"; startswith; content:"/system_main/show_allsessions"; fast_pattern; endswith; reference:url,outpost24.com/blog/zyxel-nas-critical-vulnerabilities/; reference:cve,2024-29976; classtype:web-application-activity; sid:2055917; rev:1; metadata:affected_product Zyxel, attack_target Server, tls_state plaintext, created_at 2024_09_18, cve CVE_2024_29976, deployment Perimeter, deployment Internal, confidence High, signature_severity Major, tag Exploit, updated_at 2024_09_18, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application; target:dest_ip;)