ET ATTACK_RESPONSE PowerShell String Base64 Encoded Invoke-RestMethod (Zva2UtUmVzdE1ld) in DNS TXT Reponse
Sourceet/open
CreatedJanuary 3, 2023
UpdatedDecember 12, 2024
Classificationbad-unknown
alert dns any any -> $HOME_NET any (msg:"ET ATTACK_RESPONSE PowerShell String Base64 Encoded Invoke-RestMethod (Zva2UtUmVzdE1ld) in DNS TXT Reponse"; content:!"v=DKIM"; content:"|00 00 10 00 01 c0 0c 00 10 00 01|"; content:"Zva2UtUmVzdE1ld"; distance:0; fast_pattern; reference:url,github.com/no0be/DNSlivery; classtype:bad-unknown; sid:2043162; 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;)
References
Metadata
attack targetClient_Endpoint
created at2023_01_03
deploymentPerimeter
performance impactLow
confidenceHigh
signature severityMinor
tagDescription_Generated_By_Proofpoint_Nexus
updated at2024_12_12
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