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MediumSigmaHQFlorian Roth (Nextron Systems)

Suspicious OpenSSH Daemon Error

Detects suspicious SSH / SSHD error messages that indicate a fatal or suspicious error that could be caused by exploiting attempts

Detection logic

Detection requirements

Platform
ContainersESXiIaaSLinuxmacOSNetwork DevicesWindows

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

Log source product
linux
Log source service
sshd

Known benign triggers

  • Unknown

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