alert http any any -> $HOME_NET any (
msg:"ET WEB_SPECIFIC_APPS Four-Faith adjust_sys_time adj_time Command Injection Attempt (CVE-2024-12856)";
flow:established,to_server;
http.method;
content:"POST";
http.uri; bsize:10;
content:"/apply.cgi";
http.request_body;
content:"submit_type|3d|adjust_sys_time"; fast_pattern;
pcre:"/adj_time_(?:sec|min|hour|day|mon|year)\x3d[^\x26]*?(?:(?:\x3b|%3[Bb])|(?:\x0a|%0[Aa])|(?:\x60|%60)|(?:\x7c|%7[Cc])|(?:\x24|%24))+/";
reference:url,www.fortinet.com/blog/threat-research/rondobox-unveiled-breaking-down-a-botnet-threat;
reference:cve,2024-128856;
reference:cve,2024-12856;
classtype:attempted-admin;
sid:2063281; rev:1;
metadata:affected_product Four_Faith, attack_target Networking_Equipment, tls_state plaintext, created_at 2025_07_03, cve CVE_2024_12856, deployment Perimeter, deployment Internal, performance_impact Low, confidence High, signature_severity Major, tag Exploit, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_07_03, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
target:dest_ip;
)