ET MALWARE [Fireeye] SUNBURST Related DNS Lookup to avsvmcloud .com

Query · suricata

dns.query;
content:".appsync-api.";
content:"avsvmcloud.com"; nocase; endswith;
Raw source ET MALWARE [Fireeye] SUNBURST Related DNS Lookup to avsvmcloud .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 [Fireeye] SUNBURST Related DNS Lookup to avsvmcloud .com";
    dns.query;
    content:".appsync-api.";
    content:"avsvmcloud.com"; nocase; endswith;
    reference:url,www.fireeye.com/blog/threat-research/2020/12/evasive-attacker-leverages-solarwinds-supply-chain-compromises-with-sunburst-backdoor.html;
    classtype:trojan-activity;
    sid:2031324; rev:4;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_12_14, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_03_24;
)

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