alert http any any -> $HOME_NET any (msg:"ET WEB_SPECIFIC_APPS ABB Cylon Aspect Unauthenticated NTPServelet Manipulation Attempt"; flow:established,to_server; http.method; content:"GET"; http.uri; bsize:20; content:"/servlets/NTPServlet"; fast_pattern; http.host; pcre:"/^(?:127\.0\.0\.1(?:\x3a\d{1,5})?|localhost(?:\x3a\d{1,5})?)$/"; http.request_body; content:"hosts|3d|"; content:"pollinterval|3d|"; reference:url,www.zeroscience.mk/codes/abb_aspect_dos3.txt; classtype:web-application-attack; sid:2063937; rev:1; metadata:affected_product ABB, attack_target IoT, tls_state plaintext, created_at 2025_08_07, deployment Perimeter, deployment Internal, performance_impact Low, confidence High, signature_severity Major, tag Exploit, updated_at 2025_08_07, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application; target:dest_ip;)