ET EXPLOIT_KIT TA569 Keitaro TDS Domain in DNS Lookup (backendjs .org)
Sourceet/open
Fileemerging-exploit_kit.rules
CreatedApril 13, 2023
UpdatedJune 8, 2026
Classificationweb-application-activity
alert dns $HOME_NET any -> any any (msg:"ET EXPLOIT_KIT TA569 Keitaro TDS Domain in DNS Lookup (backendjs .org)"; dns.query; bsize:13; content:"backendjs.org"; nocase; classtype:web-application-activity; sid:2044938; rev:4; metadata:affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2023_04_13, deployment Perimeter, performance_impact Low, confidence High, signature_severity Critical, tag ta569, tag TDS, tag compromised_website, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2026_06_08, reviewed_at 2024_05_28;)
Metadata
affected productWeb_Browsers
attack targetClient_Endpoint
created at2023_04_13
deploymentPerimeter
performance impactLow
confidenceHigh
signature severityCritical
tagDescription_Generated_By_Proofpoint_Nexus
updated at2026_06_08
reviewed at2024_05_28
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