ET RETIRED ISMAgent DNS Tunneling (microsoft-publisher . com)

Query · suricata

threshold:type limit, track by_src, count 1, seconds 60;
dns.query;
content:"microsoft-publisher.com"; depth:23; nocase; endswith; fast_pattern;
Raw source ET RETIRED ISMAgent DNS Tunneling (microsoft-publisher . 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 RETIRED ISMAgent DNS Tunneling (microsoft-publisher . com)";
    threshold:type limit, track by_src, count 1, seconds 60;
    dns.query;
    content:"microsoft-publisher.com"; depth:23; nocase; endswith; fast_pattern;
    reference:md5,a70a08a1e17b820c7dc8ee1247d6bfa2;
    reference:url,researchcenter.paloaltonetworks.com/2017/07/unit42-oilrig-uses-ismdoor-variant-possibly-linked-greenbug-threat-group/;
    classtype:trojan-activity;
    sid:2024504; rev:8;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2017_07_28, deployment Perimeter, former_category MALWARE, malware_family Ismdoor, performance_impact Moderate, signature_severity Major, updated_at 2024_09_16, reviewed_at 2024_09_16;
)

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