offensive security
Lateral Movement with Psexec
A very old and noisy lateral movement technique can be performed using psexec by SysInternals.
Execution
Let's connect from workstation
ws01 to the domain controller dc01 with domain administractor credentials:
Observations
The technique is noisy for at least a couple of reasons. Upon code execution, these are some well known artefacts that are left behind which will most likely get you flagged in an environment where SOC is present.
A
psexesvc service gets created on the remote system and below shows the process ancestry of your command shell:
Proving that
psexec is actually running as a service:
Additionally, there is quite a bit of SMB network traffic generated when connecting to a remote machine which could be signatured:
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