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MediumSigmaHQNasreddine Bencherchali (Nextron Systems) +1

Potential Hidden Directory Creation Via NTFS INDEX_ALLOCATION Stream - CLI

Detects command line containing reference to the "::$index_allocation" stream, which can be used as a technique to prevent access to folders or files from tooling such as "explorer.exe" or "powershell.exe"

Detection logic

Detection requirements

Platform
Windows

The rule states no platform. This is derived from the ATT&CK technique it maps to.

Log source product
windows
Log source category
process_creation

Known benign triggers

  • Unlikely

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