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    -------------------------
    Amiga Virus Encyclopedia
    Susi Drive Stepper Trojan
    -------------------------

    
    Susi_Drive_Stepper Trojan:
    
    Filelength:    904 bytes unpacked
    Programmed in: Assembly language
    Processors:    MC68000-MC68040(?)
                   On MC68060 it did not work
    Typ: Trojan



    This is a very easy programmed trojan. Via the use of
    Disk Resource it will be tried to access a device (0)
    and some IDs will be changed. The whole new "created"
    DiskResource struct is not correct and contains a lot
    of not understandable code. The trojan is not reset-
    proof, it just tries the above mentioned diskresource
    manipulation and some little hardwarehacks.The trojan
    selects unit 0 and steps with the head around. The
    direction will be changed at every loop and the head
    moves always one track. The timing is so bad managed,
    that the controller gets irritated and quits work
    temporarly.

    The name of the new created port is "susi". You can
    see at the end of the file some names, but nothing
    more. All in all a simple trojan.


    0260: 00000000 00000000 00006469 736B2E72    ..........disk.r
    0270: 65736F75 72636500 73757369 00616E64    esource.susi.and
    0280: 72656100 76616C65 6E74696E 6100696E    rea.valentina.in
    0290: 67726964 00636872 69730000 0A000120    grid.chris.....


    It was tried to damage a disc using this trojan, but we
    didn`t succeed.



    Test by Markus Schmall


    

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