ET MALWARE OWAReaper DNS Tunnel Exfiltration via DNS Lookup (asecdns .com)

Query · suricata

dns.query;
content:".asecdns.com"; fast_pattern;
content:!".doh.";
content:!".dot.";
pcre:"/(?:[a-v0-9]+\x2e){2,4}asecdns.com/";
Raw source ET MALWARE OWAReaper DNS Tunnel Exfiltration via DNS Lookup (asecdns .com) · 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 MALWARE OWAReaper DNS Tunnel Exfiltration via DNS Lookup (asecdns .com)";
    dns.query;
    content:".asecdns.com"; fast_pattern;
    content:!".doh.";
    content:!".dot.";
    pcre:"/(?:[a-v0-9]+\x2e){2,4}asecdns.com/";
    classtype:domain-c2;
    sid:2071335; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2026_07_28, deployment Perimeter, malware_family OWAReaper, confidence High, signature_severity Major, tag c2, updated_at 2026_07_28, former_sid 2868083, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol_DNS;
)

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