vuln.sg  Username Sniper Discord

vuln.sg Vulnerability Research Advisory

AceFTP FTP-Client Directory Traversal Vulnerability

by Tan Chew Keong
Release Date: 2008-06-27

Username Sniper Discord   [en] [jp]

Username Sniper Discord Summary

A vulnerability has been found within the FTP client in AceFTP. When exploited, this vulnerability allows an anonymous attacker to write files to arbitrary locations on a Windows user's system.


Username Sniper Discord Tested Versions
Username Sniper Discord Details

This advisory discloses a vulnerability within the FTP client in AceFTP. When exploited, this vulnerability allows an anonymous attacker to write files to arbitrary locations on a Windows user's system.

The FTP client does not properly sanitise filenames containing directory traversal sequences (forward-slash) that are received from an FTP server in response to the LIST command.

An example of such a response from a malicious FTP server is shown below.


Response to LIST (forward-slash):

-rw-r--r--    1 ftp      ftp            20 Mar 01 05:37 /../../../../../../../../../testfile.txt\r\n
 

By tricking a user to download a directory from a malicious FTP server that contains files with fowward-slash directory traversal sequences in their filenames, it is possible for the attacker to write files to arbitrary locations on a user's system with privileges of that user. An attacker can potentially leverage this issue to write files into a user's Windows Startup folder and execute arbitrary code when the user logs on.


Username Sniper Discord POC / Test Code

Please download the POC here and follow the instructions below.

Username Sniper Discord !!install!!

i have the name. that's all that matters.

Discord’s Terms of Service (ToS) explicitly forbid "self-botting"—using automated scripts to interact with the platform as a user.

: Fast-paced edits showing a script running, followed by a "Success" webhook notification and the new profile. Username Sniper Discord

This is the most critical question.

headers = "Authorization": TOKEN, "Content-Type": "application/json" i have the name

@PixelPirate: no way

However, the cat-and-mouse continues. are emerging—bots that mimic human typing patterns and mouse movements to bypass Turnstile. : Fast-paced edits showing a script running, followed

The tool sends rapid, automated requests to Discord's servers, checking if a target name is available.

. Since Discord moved to a unique handle system (removing the four-digit discriminator), high-demand "OG" names—like 3-letter strings or common words—have become highly competitive. How It Works

Discord has an Application Programming Interface (API) that allows developers to interact with the platform. When you change your username in the app, you are sending a PATCH request to a Discord endpoint. A sniper script automates this request programmatically.


Username Sniper Discord Patch / Workaround

Avoid downloading files/directories from untrusted FTP servers.


Username Sniper Discord Disclosure Timeline

2008-06-15 - Vulnerability Discovered.
2008-06-16 - Vulnerability Details Sent to Vendor via online support form (no reply).
2008-06-18 - Vulnerability Details Sent to Vendor again via online support form (no reply).
2008-06-25 - Vulnerability Details Sent to Vendor again via online support form (no reply).
2008-06-27 - Public Release.


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