1. Symantec/
  2. Security Response/
  3. Hacktool.Upload


Risk Level 1: Very Low

May 7, 2004
February 13, 2007 12:22:44 PM
Trojan Horse
Systems Affected:
Microsoft IIS, Windows

Hacktool.Upload is a script that an attacker can use to upload files to Web servers that have already been compromised.

This tool can only run on Windows 2000/XP/Server 2003 computers that have Microsoft Internet Information Services (IIS) installed.

The presence of Hacktool.Upload implies that the security of the system has been compromised. The system should be restored from known, clean backup copies, or patched to restore security.

Antivirus Protection Dates

  • Initial Rapid Release version May 7, 2004
  • Latest Rapid Release version February 19, 2013 revision 016
  • Initial Daily Certified version May 7, 2004
  • Latest Daily Certified version February 10, 2011 revision 003
  • Initial Weekly Certified release date May 12, 2004
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.
Writeup By: Hiroshi Shinotsuka

Search Threats

Search by name
Example: W32.Beagle.AG@mm
STAR Antimalware Protection Technologies
2016 Internet Security Threat Report, Volume 21
  • Twitter
  • Facebook
  • LinkedIn
  • Google+
  • YouTube