MITRE CAR unknown stable spl

Network Share Connection Removal

Adversaries may use network shares to exfliltrate date; they will then remove the shares to cover their tracks. This analytic looks for the removal of network shares via commandline, which is otherwise a rare event.

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Detection Logic

(index=__your_sysmon_index__ EventCode=1) ((Image="C:\\Windows\\System32\\net.exe" 
AND CommandLine="*delete*") 
OR CommandLine="*Remove-SmbShare*" 
OR CommandLine="*Remove-FileShare*")

Field Validations

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