ET INFO Observed DNS Query to trycloudflare .com Domain


Query · suricata

dns.query; dotprefix;
content:".trycloudflare.com"; nocase; endswith;
Raw source ET INFO Observed DNS Query to trycloudflare .com Domain · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged.
#alert dns $HOME_NET any -> any any (
#    msg:"ET INFO Observed DNS Query to trycloudflare .com Domain";
#    dns.query; dotprefix;
#    content:".trycloudflare.com"; nocase; endswith;
#    reference:url,try.cloudflare.com/;
#    reference:url,www.bleepingcomputer.com/news/security/hackers-abuse-free-trycloudflare-to-deliver-remote-access-malware/;
#    classtype:misc-activity;
#    sid:2060249; rev:3;
#    metadata:affected_product Any, attack_target Client_and_Server, tls_state plaintext, created_at 2025_02_21, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, updated_at 2025_02_24, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1665, mitre_technique_name Hide_Infrastructure;
#)

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