alert http any any -> $HOME_NET any (msg:"ET WEB_SPECIFIC_APPS ABB Cylon Flxeon siteGuide.js filename Parameter Directory Traversal Attempt"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"/api/siteGuide"; fast_pattern; http.content_type; content:"multipart/form-data"; http.request_body; content:"filename|3d|"; pcre:"/^[^\x26]*?(?:(?:\x2e|%2[Ee]){1,2}(?:\x2f|\x5c|%5[Cc]|%2[Ff]){1,}){2,}/R"; reference:url,www.zeroscience.mk/codes/abb_flxeon_dir1.txt; classtype:web-application-attack; sid:2063964; rev:1; metadata:affected_product ABB, attack_target IoT, tls_state plaintext, created_at 2025_08_11, deployment Perimeter, deployment Internal, performance_impact Low, confidence High, signature_severity Major, tag Exploit, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_08_11, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application; target:dest_ip;)