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MediumSigmaHQSamir Bousseaden +3

RDP Sensitive Settings Changed to Zero

Detects tampering of RDP Terminal Service/Server sensitive settings. Such as allowing unauthorized users access to a system via the 'fAllowUnsolicited' or enabling RDP via 'fDenyTSConnections', etc.

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
registry_set

Known benign triggers

  • Some of the keys mentioned here could be modified by an administrator while setting group policy (it should be investigated either way)

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