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;
)