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Alternative to smbup full#
Alternative to smbup windows#

Semi interactive shell with admin credentials:.

Alternative to smbup windows#

Upon completion of its task, the PsExecSVC Windows service will be stopped and the PSEXESVC.exe file will be deleted from ADMIN$.

Parent process of psexecsvc.exe is services.exe

Then uses Service Control Manager (sc) to start the service binary (service name PsExecSVC)Ĭreates a named pipe on the destination host and uses it for input/output operations.Įxecutes the program under a parent process of psexecsvc.exe.

Connects to ADMIN$=C:\Windows share folder and uploads a PSEXECSVC.exe file.PsExec is part of the Sysinternals Suite.Having enabled the default Admin shares on a single machine we can proceed to check the various techniques as following:.For more details: /pass-the-hash-is-dead-long-live-localaccounttokenfilterpolicy-506c25a7c167.The above explains why in a domain environment a domain user that has local administrative privileges on a remote machine can use psexec for lateral movement (has high integrity token on remote connection).

Alternative to smbup full#

When a user with a domain user account logs on to a Windows Vista computer remotely, and the user is a member of the Administrators group, the domain user will run with a full administrator access token on the remote computer and UAC is disabled for the user on the remote computer for that session. By default this account is disabled in windows but in some corporate environments it might be enabled. This account is not being affected by the LocalAccountFilterPolicy, so it will always get a high integrity token.

The above does not apply with the default local administrator account (RID 500).

So, in this case, psexec, wmi etc will work. By disabling it, a user, who is member of the local administrators group on the target remote computer, will get a high integrity access token.

This behaviour depends on the LocalAccountFilterPolicy.

If the user wants to administer the workstation with a Security Account Manager (SAM) account, the user must interactively log on to the computer that is to be administered with Remote Assistance or Remote Desktop. The user has no elevation potential on the remote computer, and the user cannot perform administrative tasks. When a user who is a member of the local administrators group on the target remote computer establishes a remote administrative connection…they will not connect as a full administrator.

ADMIN$), he gets an Access Denied message, despite having administrative access to the remote machine as a local user. So, when the user attempts to access privileged resource remotely (e.g.

After Windows Vista, any remote connection (wmi, psexec, etc) with any non-RID 500 local admin account (local to the remote machine account), returns a token that is “filtered”, which means medium integrity even if the user is a local administrator to the remote machine.

Reg add HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\system /v LocalAccountTokenFilterPolicy /t REG_DWORD /d 1 /f