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  1. offensive security
  2. Lateral Movement

Lateral Movement over headless RDP with SharpRDP

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Last updated 5 years ago

Executing commands on a remote host is possible by using a headless (non-GUI) RDP lateral movement technique brought by a tool called SharpRDP.

Execution

Executing a binary on a remote machine dc01 from a compromised system with offense\administrator credentials:

SharpRDP.exe computername=dc01 command=calc username=offense\administrator password=123456

Observations

Defenders may want to look for mstscax.dll module being loaded by suspicious binaries on a compromised host from which SharpRDP is being executed:

Also, weird binaries making connections to port 3389:

References

https://posts.specterops.io/revisiting-remote-desktop-lateral-movement-8fb905cb46c3?gi=fe80458d82a5posts.specterops.io