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  3. Hacktool.WKRShell


Risk Level 1: Very Low

November 14, 2003
February 13, 2007 12:13:55 PM
Trojan Horse
Systems Affected:
Windows 2000, Windows XP

Hacktool.WKRShell is a hack tool that attempts to gain access to a remote computer using the workstation service buffer overrun vulnerability (described in Microsoft Security Bulletin MS03-049).

Note: Virus definitions dated prior to November 17, 2003 may detect this as Bloodhound.Exploit.4

Antivirus Protection Dates

  • Initial Rapid Release version November 17, 2003
  • Latest Rapid Release version September 28, 2010 revision 054
  • Initial Daily Certified version November 17, 2003
  • Latest Daily Certified version September 28, 2010 revision 036
  • Initial Weekly Certified release date November 17, 2003
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.
Writeup By: Yuhui Huang

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