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DecryptRDCManager

DecryptRDCManager is a .NET port of Decrypt-RDCMan.ps1 which was written by Ben Turner and Rich Hicks. This tool will decrypt credentials from Remote Desktop Manager by using the functionality from the RDCMan.DLL as done here.

When a .rdg file is identified, the contents will look something like this:

<?xml version="1.0" encoding="utf-8"?>
<RDCMan programVersion="2.7" schemaVersion="3">
  <file>
    <credentialsProfiles>
      <credentialsProfile inherit="None">
        <profileName scope="Local">testprofile</profileName>
        <userName>DEV\testinguser</userName>
  <password>AQAAANCMnd8BFdERjHoAwE/Cl+sBAAAAlSnFmjEAH0SsyduD82ZosAAAAAACAAAAAAADZgAAwAAAABAAAABimXpySiTYAbe0keAEpZs7AAAAAASAAACgAAAAEAAAACklkBrjv0x63t1+OWBCrCggAAAAvCOw3knvjfpvWFRKJDPI+8ipmOA208hh3EijNOAQG0QUAAAAEX45lKeHqHDty7J9S1/GDw9pcIA=</password>
        <domain>DEV</domain>
      </credentialsProfile>
    </credentialsProfiles>
    <properties>
      <expanded>True</expanded>
      <name>testing</name>
    </properties>
    <server>
      <properties>
        <name>192.168.100.102</name>
      </properties>
      <logonCredentials inherit="None">
        <profileName scope="File">testprofile</profileName>
      </logonCredentials>
    </server>
  </file>
  <connected />
  <favorites />
  <recentlyUsed />
</RDCMan>

Credentials can either be stored in <credentialsProfile>, or <logonCredentials>. During testing, it was found that <logonCredentials> would either fail to decrypt, or decrypt to 0123456789. However, <credentialsProfile> was identified to be way more reliable.

Building

Make sure the RDCMan.DLL reference is added into the solution, and then build it. After building the solution, ILMerge.exe it:

.\ILMerge.exe /out:c:\DecryptRDCManager.exe .\DecryptRDCManager\DecryptRDCManager\bin\Debug\DecryptRDCManager.exe .\DLLs\AxMSTSCLib.dll .\DLLs\MSTSCLib.dll .\DLLs\RDCMan.dll

Usage

A path to a .rdg can be passed in, or DecryptRDCManager will read the following settings file to determine where any .rdg files are:

"C:\Users\<username>\AppData\Local\Microsoft\Remote Desktop Connection Manager\RDCMan.settings"

Example without path:

Without path

Example with path:

With path

About

.NET 4.0 Remote Desktop Manager Password Gatherer

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