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The Ucender Virus is a computer virus which infects .COM, .EXE and overlay files including COMMAND. COM. The virus is loaded into memory by executing an infected program and then affects the computer' s runtime operation, corrupts program or overlay files.
 Research Ucender Virus
Ugly FTP is a network backdoor Trojan that communicates through port 23456.
Research Ugly FTP
The Ugur Virus is a computer virus which infects .COM and .EXE files including COMMAND.COM. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation and corrupts program or overlay files.
Research Ugur Virus
Ultors Trojan is a network backdoor Trojan that communicates through port 1234.
Research Ultors Trojan
The Undressed Virus is an appending, unencrypted DOS computer virus written by Arsonic of the Codebreakers group. The virus infects .COM files and on February the 5th it displays the message I Love Lisa.
Research Undressed Virus
The Unicode Attack is a system whereby hackers gain access to a web hosting computer via a security hole in the Microsoft IIS V5.0 http server software. This web server software allowed users of the web server to run the operating system shell program, 'cmd.exe', in order to run any program they like on the remote web server. Unicode attacks rely upon substituting the / character with Unicode characters so that a malicious user can circumvent the Web root restrictions to access resources outside of the Web path. Unicode attacks are very common, or at least attempted attacks are very commonm, and can be identified by entries in the http log file similar to: 216.234.125.210 - - [31/Aug/2004:21:41:20 -0600] 'GET /c/winnt/system32/cmd.exe?/c+dir HTTP/1.0' 302 247 '-' '-' Here, a malicious hacker is probing the web server to see if he can achieve a directory listing using the shell program cmd.exe. Had he been successful he may then have used the shell program to take over the web server for his own purposes. This server, however, was a Linux server and immune to this attack.
Microsoft web servers can protect against the Unicode Attack by installing the Microsoft security patches and also removing permission to execute programs in the %winnt%/system32 directory from the 'EVERYONE' group.
Research Unicode Attack
The Unk Virus is a computer virus which infects .COM and .EXE files including COMMAND.COM. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation and corrupts program or overlay files.
Research Unk Virus
Up Yours is an electronic mail bombing program for Microsoft Windows platforms designed for sending anonymous, or very hard to trace, mail bombs.
Research Up Yours
The Uriel Virus is a computer virus which infects .COM and .EXE files including COMMAND.COM. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation and corrupts program or overlay files.
Research Uriel Virus
The Uruk 300 Virus is a computer virus which infects .COM files including COMMAND.COM. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation and corrupts program or overlay files.
Research Uruk 300 Virus
The Uruk 361 Virus is a computer virus which infects .COM files including COMMAND.COM. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation and corrupts program or overlay files.
Research Uruk 361 Virus
The Uruk-Hai Virus is a computer virus which infects .COM files including COMMAND.COM. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation and corrupts program or overlay files.
Research Uruk-Hai Virus
The USSR 1049 Virus is a computer virus which infects .COM and .EXE files including COMMAND.COM. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation, corrupts program or overlay files.
Research USSR 1049 Virus
The USSR 2144 Virus is an encrypted computer virus which infects .COM, .EXE and overlay files including COMMAND.COM. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation, corrupts program or overlay files and data files.
Research USSR 2144 Virus
The USSR 256 Virus is an encrypted computer virus which infects .COM files including COMMAND.COM. The virus is loaded into memory by executing an infected program. The virus corrupts program or overlay files and data files.
Research USSR 256 Virus
The USSR 257 Virus is an encrypted computer virus which infects .COM files including COMMAND.COM. The virus is loaded into memory by executing an infected program. The virus corrupts program or overlay files and data files.
Research USSR 257 Virus
The USSR 3103 Virus is an encrypted computer virus which uses stealth techniques to avoid detection and which infects the fixed disk partition table. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation, corrupts program or overlay files.
Research USSR 3103 Virus
The USSR 311 Virus is a computer virus which infects .COM files. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation and corrupts program or overlay files.
Research USSR 311 Virus
The USSR 394 Virus is an encrypted computer virus which infects .COM files including COMMAND.COM. The virus is loaded into memory by executing an infected program. The virus corrupts program or overlay files and data files.
Research USSR 394 Virus
The USSR 492 Virus is a computer virus which infects .COM files. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation and corrupts program or overlay files.
Research USSR 492 Virus
The USSR 516 Virus is a computer virus which infects .COM files including COMMAND.COM. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation and corrupts program or overlay files.
Research USSR 516 Virus
The USSR 600 Virus is an encrypted computer virus which infects .COM files including COMMAND.COM. The virus is loaded into memory by executing an infected program. The virus corrupts program or overlay files and data files.
Research USSR 600 Virus
The USSR 696 Virus is an encrypted computer virus which infects .COM files. The virus is loaded into memory by executing an infected program. The virus corrupts program or overlay files and data files.
Research USSR 696 Virus
The USSR 707 Virus is an encrypted computer virus which infects .COM files including COMMAND.COM. The virus is loaded into memory by executing an infected program. The virus corrupts program or overlay files and data files.
Research USSR 707 Virus
The USSR 711 Virus is an encrypted computer virus which infects .COM files. The virus is loaded into memory by executing an infected program. The virus corrupts program or overlay files and data files.
Research USSR 711 Virus
The USSR 830 Virus is a computer virus which infects .COM files including COMMAND.COM. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation and corrupts program or overlay files.
Research USSR 830 Virus
The USSR 948 Virus is an encrypted computer virus which infects .COM, .EXE and overlay files. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation and corrupts program or overlay files and data files.
Research USSR 948 Virus
The USSR Virus is an encrypted computer virus which infects .EXE files. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation and corrupts program or overlay files.
Research USSR Virus
The USSR-394 Virus is an encrypted computer virus which infects .COM files. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation and corrupts program or overlay files.
Research USSR-394 Virus
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Abbreviations
Computer Viruses
