startagain2016 / RedditC2

Abusing Reddit API to host the C2 traffic, since most of the blue-team members use Reddit, it might be a great way to make the traffic look legit.

RedditC2

Abusing Reddit API to host the C2 traffic, since most of the blue-team members use Reddit, it might be a great way to make the traffic look legit.

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🚫 [Disclaimer]: Use of this project is for Educational/ Testing purposes only. Using it on unauthorised machines is strictly forbidden. If somebody is found to use it for illegal/ malicious intent, author of the repo will not be held responsible.

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Requirements

Install PRAW library in python3:

pip3 install praw

Quickstart

See the Quickstart guide on how to get going right away!

Demo

reddit_c2_demo.mp4

Workflow

Teamserver

1. Go to the specific Reddit Post & post a new comment with the command ("in: ")
2. Read for new comment which includes the word "out:"
3. If no such comment is found, go back to step 2
4. Parse the comment, decrypt it and read it's output
5. Edit the existing comment to "executed", to avoid reexecuting it

Client

1. Go to the specific Reddit Post & read the latest comment which includes "in:"
2. If no new comment is detected, go back to step 1
3. Parse the command out of the comment, decrypt it and execute it locally
4. Encrypt the command's output and reply it to the respective comment ("out:" )

Below is a demonstration of the XOR-encrypted C2 traffic for understanding purposes:

Scanning results

Since it is a custom C2 Implant, it doesn't get detected by any AV as the bevahiour is completely legit.

TO-DO

• Teamserver and agent compatible in Windows/Linux
• Make the traffic encrypted
• Add upload/download feature
• Add persistence feature
• Generate the agents dynamically (from the TeamServer)
• Tab autocompletion

Credits

Special thanks to @T4TCH3R for working with me and contributing to this project.