ET MALWARE Innostealer Domain in DNS Lookup (windows11-upgrade .com)

Query · suricata

dns.query;
content:"windows11-upgrade"; startswith;
pcre:"/[0-9]{1,2}/R";
content:".com"; endswith;
Raw source ET MALWARE Innostealer Domain in DNS Lookup (windows11-upgrade .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 Innostealer Domain in DNS Lookup (windows11-upgrade .com)";
    dns.query;
    content:"windows11-upgrade"; startswith;
    pcre:"/[0-9]{1,2}/R";
    content:".com"; endswith;
    reference:url,twitter.com/JAMESWT_MHT/status/1517822757567971329;
    reference:url,www.bleepingcomputer.com/news/security/unofficial-windows-11-upgrade-installs-info-stealing-malware/;
    classtype:trojan-activity;
    sid:2036363; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2022_04_25, deployment Perimeter, malware_family Innostealer, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_04_25;
)

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