Class Email-Worm
Platform VBS

Technical Details

This is an IRC worm that spreads through IRC channels using mIRC client for
spreading. The worm appears on a computer as the “Sonnet.vbe” VBE program.
When this file is executed by a user, the worm installs itself into the
Windows directory and overwrites the mIRC SYSTEM.INI script
file with new instructions.

The commands that are written to the SYSTEM.INI mIRC script intercept several

– when a new user enters the infected channel, (s)he is sent by the worm
copy (the C:WINDOWSSONNET.VBE file).

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