Rule History

alert http any any -> $HOME_NET any (msg:"ET WEB_SPECIFIC_APPS FLIR controllerFlirSystem.php dns Parameter Command Injection Attempt (CVE-2017-20216)"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/maintenance/controllerFlirSystem.php|3f|"; startswith; fast_pattern; pcre:"/(?:customDateTime|dhcpMode|dns|interface|tz|server(?:s|[01]))[^\x26]*?(?:(?:\x3b|%3[Bb])|(?:\x0a|%0[Aa])|(?:\x60|%60)|(?:\x7c|%7[Cc])|(?:\x24|%24))+/"; reference:url,www.zeroscience.mk/codes/flir0.txt; reference:cve,2017-20216; classtype:attempted-admin; sid:2066626; rev:1; metadata:affected_product FLIR, attack_target Networking_Equipment, tls_state plaintext, created_at 2026_01_08, cve CVE_2017_20216, deployment Perimeter, deployment Internal, performance_impact Low, confidence High, signature_severity Major, tag Exploit, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2026_01_08, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application; target:dest_ip;)