ET MALWARE Golang/Webbfustator DNS Tunneling Activity

Query · suricata

dns.query;
content:"ReplaceWithRandom."; startswith; fast_pattern;
threshold:type both, count 2, seconds 20, track by_src;
Raw source ET MALWARE Golang/Webbfustator DNS Tunneling Activity · 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 -> $EXTERNAL_NET any (
    msg:"ET MALWARE Golang/Webbfustator DNS Tunneling Activity";
    dns.query;
    content:"ReplaceWithRandom."; startswith; fast_pattern;
    threshold:type both, count 2, seconds 20, track by_src;
    reference:md5,de49baada80d7b2aba474251ac937236;
    reference:url,www.securonix.com/blog/golang-attack-campaign-gowebbfuscator-leverages-office-macros-and-james-webb-images-to-infect-systems/;
    classtype:trojan-activity;
    sid:2038898; rev:2;
    metadata:created_at 2022_09_19, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_09_26;
)

Detection rules belong to the projects that publish them and remain under their own licenses. This site indexes and links to them; it claims no rights in them.