ET ATTACK_RESPONSE PowerShell String Base64 Encoded Invoke-RestMethod (dm9rZS1SZXN0TWV0) in DNS TXT Reponse

Query · suricata

content:!"v=DKIM";
content:"|00 00 10 00 01 c0 0c 00 10 00 01|";
content:"dm9rZS1SZXN0TWV0"; distance:0; fast_pattern;
Raw source ET ATTACK_RESPONSE PowerShell String Base64 Encoded Invoke-RestMethod (dm9rZS1SZXN0TWV0) in DNS TXT Reponse · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert dns any any -> $HOME_NET any (
    msg:"ET ATTACK_RESPONSE PowerShell String Base64 Encoded Invoke-RestMethod (dm9rZS1SZXN0TWV0) in DNS TXT Reponse";
    content:!"v=DKIM";
    content:"|00 00 10 00 01 c0 0c 00 10 00 01|";
    content:"dm9rZS1SZXN0TWV0"; distance:0; fast_pattern;
    reference:url,github.com/no0be/DNSlivery;
    classtype:bad-unknown;
    sid:2043161; rev:3;
    metadata:attack_target Client_Endpoint, created_at 2023_01_03, deployment Perimeter, performance_impact Low, confidence High, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_12_12;
)

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.