Invader.i
Description Invader.i
This is a dangerous memory resident virus. It infects COM and EXE files (except COMMAND.COM) in the same way as the "Jerusalem" virus does, and affects boot sectors of hard and floppy disks. On a floppy disk it formats an additional track, on the hard disk it writes itself just after the MBR. Depending on its internal counters the virus can execute a dummy cycle after each timer interrupt (INT 8), erase information on disks, tune a melody, decipher and display the following message:
by ABT Group at Feng Chia Univ., Taiwan. Mar/27/90
The virus also contains the text "ACAD.EXECOMMAND.COM.COM.EXE" and hooks INT 8, 9, 13h, 21h.
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Backdoor.Dest
Description Backdoor.Dest
This program executes a DoS attack on a remote computer by using a third computer ("mediator"). The program is sent to the mediator computer and installs itself in there. Then it waits for host connection and on command, attacks a victim's computer that is directed by the host. To attach, the Trojan sends a bomb packet to the computer (the bomb is an IP packet 60K in length) that causes the victim's machine to crash in the case that the computer is run under Win9x/NT without the latest ServicePacks.
Backdoor.Executor.a
Description Backdoor.Executor.a
This is hidden (hacker's) remote administration utility uses ways to control remote workstations similar to "Backdoor.BO" (a.k.a. Back Orifice) trojan but with limited function list. See Backdoor.BO.
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