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RidRelay

Quick and easy way to get domain usernames while on an internal network.

Hit me up: @skorov8

How it works

RidRelay combines the NTLM Relay attack, common lsarpc based queries and RID cycling to get a list of domain usernames. It takes these steps:

  1. Spins up an SMB and HTTP servers and waits for an incoming connection
  2. The incoming credentials are relayed to a specified target, creating a connection with the context of the relayed user
  3. Queries are made down the SMB connection to the lsarpc pipe to get the list of domain usernames. This is done by cycling up to 50000 RIDs
  4. The password policy is extracted through the samr pipe

(For best results, use with Responder)

Dependencies

Installation

pipenv install
pipenv shell

# Optional: Run if installing impacket
git submodule update --init --recursive
cd submodules/impacket
pip install .
cd ../..

Usage

First, find a target host to relay to. The target must be a member of the domain and MUST have SMB Signing off. CrackMapExec can get this info for you very quick!

Start RidRelay pointing to the target:

python ridrelay.py -t 10.0.0.50

OR

Also output usernames to file

python ridrelay.py -t 10.0.0.50 -o path_to_output.txt

Highly Recommended: Start Responder to trick users to connecting to RidRelay

Shout out

Mad props go to:

TODO: