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Sigma-to-MDE Query Conversion: DNS Detection for Katz Stealer via Uncoder AI
- Uncoder AI converts Sigma detection rules for DNS queries related to Katz Stealer malware to Microsoft Defender for Endpoint (MDE) Advanced Hunting queries.
- Sigma rule is designed to detect DNS queries to malicious domains like katz-panel.com and katzstealer.com, utilizing the dns_query category under windows logs.
- MDE query filters DNS inspection events, dynamically extracts domain names, and matches them against known IOC list.
- The conversion helps in streamlining detection rule translation between platforms, maintaining detection logic and field mappings.
- This innovation enables deploying Sigma rules in MDE environments without manual KQL coding, enhancing threat detection capabilities.
- Automating the translation process improves threat detection efficiency, accelerates detection engineering cycles, and ensures correctness in syntax and semantics.
- The feature enhances the reuse and portability of threat detection content in SOC workflows.
- Overall, Uncoder AI plays a crucial role in bridging the gap between Sigma and MDE query languages, facilitating efficient threat detection.
- This post was originally published on SOC Prime, showcasing the significance of Sigma-to-MDE query conversion for detecting Katz Stealer via Uncoder AI.
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