ET WEB_SPECIFIC_APPS ABB Cylon Aspect Unauthenticated NTPServelet Manipulation Attempt

Query · suricata

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|";
target:dest_ip;
Raw source ET WEB_SPECIFIC_APPS ABB Cylon Aspect Unauthenticated NTPServelet Manipulation Attempt · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
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;
)

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