Trojan.DOS.Tornado_Patch

Parent class: TrojWare

Trojans are malicious programs that perform actions which are not authorized by the user: they delete, block, modify or copy data, and they disrupt the performance of computers or computer networks. Unlike viruses and worms, the threats that fall into this category are unable to make copies of themselves or self-replicate. Trojans are classified according to the type of action they perform on an infected computer.

Class: Trojan

A malicious program designed to electronically spy on the user’s activities (intercept keyboard input, take screenshots, capture a list of active applications, etc.). The collected information is sent to the cybercriminal by various means, including email, FTP, and HTTP (by sending data in a request).

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Platform: DOS

No platform description

Description

Technical Details

This "Trojan horse" permits access to command a prompt over Tornado BBS, installed on a "victim" computer. The Trojan searches DOORWAY.CTL and MENUSRUSSIANMAIN.MNU files on hard disks in the Tornado BBS directory. In the first file, The Trojan sets a value of "1" variable "Enter_Security" or "Shell_Security"; and in the second file, sets a variable "Shell". After this overpatching by Tornado BBS, anyone can be permitted access to the command prompt and file system "victim" computer.

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