alert http any any -> $HOME_NET any (msg:"ET WEB_SPECIFIC_APPS Zyxel Command Injection Attempt (CVE-2024-4474) M1"; flow:established,to_server; http.uri; content:"/cmd,/ck6fup6/portal_main/pkg_init_cmd/"; fast_pattern; startswith; content:"pkgname|3d|"; distance:0; content:"cmd|3d|"; within:100; content:"|3b|"; within:100; reference:url,bugprove.com/knowledge-hub/cve-2023-4473-and-cve-2023-4474-authentication-bypass-and-multiple-blind-os-command-injection-vulnerabilities-in-zyxel-s-nas-326-devices/; reference:cve,2023-4474; reference:cve,2024-4474; classtype:attempted-admin; sid:2052362; rev:1; metadata:affected_product Zyxel, attack_target Networking_Equipment, tls_state plaintext, created_at 2024_05_02, cve CVE_2024_4474, deployment Perimeter, deployment Internal, performance_impact Low, confidence High, signature_severity Major, updated_at 2024_05_02, mitre_tactic_id TA0008, mitre_tactic_name Lateral_Movement, mitre_technique_id T1210, mitre_technique_name Exploitation_Of_Remote_Services; target:dest_ip;)