Virus Database

Dead.257

Description Dead.257

These are dangerous memory resident parasitic viruses. They trace and hook INT 21h, then they write themselves to the end of COM- and EXE-files that are executed, created, opened or closed. On execution the viruses search for COMMAND.COM file and hit it. The 256th (100h) generation of these viruses erase the C: disk sectors. The viruses contain ID-word DEADh (in hex) and the internal text strings:
COMSPEC=
07/29/88

Check other viruses! Be aware! Use Antiviral Software

Exploit.Applet.ActiveXComponent

Description Exploit.Applet.ActiveXComponent

Exploits a security breach in MS Internet Explorer and Outlook - (com.ms.activeX.ActiveXComponent security vulnerability).
This security flaw gives remote scripts and HTML pages access to any ActiveX control, which is installed on a victim's computer. The remote script can gain full control of a victim's computer, including the ability to read and write files on hard disks.
Trojan programs like JS.Trojan.Seeker and JS.Trojan.Fav use this vulnerability to modify a browser's start and search pages and to add links to the "Favorites" folder of Internet Explorer.
The Microsoft company released a patch that removes the com.ms.activeX.ActiveXComponent security vulnerability. We recommend visiting http://support.microsoft.com/support/kb/articles/Q275/6/09.ASP and installing this patch.

Exploit.CodeBaseExec

Description Exploit.CodeBaseExec

The suspicious message "Exploit.CodeBaseExec" means that HTML page being scanned contains code exploiting the Microsoft Internet Explorer Arbitrary Program Execution Vulnerability, aka the Local Executable Invocation via Object tag vulnerability.
Microsoft Internet Explorer 5.01, 5.5 and 6.0 treat objects invoked on an HTML page with the codebase property as part of the Local Computer zone, which allows remote attacks to invoke executables present on the local system through objects such as the popup object.
Vulnerability IDs:
bugtraq id: 3867
cve: CAN-2002-0077
More information on this vulnerability can be found at the following links:
http://www.microsoft.com/technet/security/bulletin/ms02-015.asp?frame=true#CVE-CAN-2002-007
http://online.securityfocus.com/cgi-bin/vulns-item.pl?section=info&id=3867
Microsoft released a patch on March 28, 2002 that eliminates this vulnerability in Internet Explorer. To download this patch go to the following link: http://www.microsoft.com/windows/ie/downloads/critical/Q319182/default.asp

Home