DoS.Perl.Vqserver

Parent class: Malware

Malicious tools are malicious programs designed to automatically create viruses, worms, or Trojans, conduct DoS attacks on remote servers, hack other computers, etc. Unlike viruses, worms, and Trojans, malware in this subclass does not present a direct threat to the computer it runs on, and the program’s malicious payload is only delivered on the direct order of the user.

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Class: DoS

DoS programs are designed to conduct DoS (Denial of Service) attacks on a victim computer. Essentially, these attacks send numerous requests to a remote computer, and if the computer does not have enough resources to process all the incoming requests, the result will be a denial of service.

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Platform: Perl

No platform description

Description

Removal instructions

1. Delete the infected script file.
2. Update your antivirus databases and perform a full scan of the computer (download a trial version).

Payload

This script establishes a connection to port 80 on the HTTP vqServer 1.4.49. The remote malicious user gives the name of the server to be attacked.

A specially crafted HTTP GET command containing a string of 65000 'A's is then sent to the server. As a result of processing this command, the system under attack will crash.

Technical Details

This malicious program can be used to conduct a DoS attack on a remote server. It is a script file, written in Perl. The infected file is 744 bytes in size.

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