RE: [Full-Disclosure] MyDoom download info

From: Steve Wray (steve.wray_at_paradise.net.nz)
Date: 01/31/04

  • Next message: first last: "RE: [Full-Disclosure] MyDoom download info"
    To: "'first last'" <randnut@hotmail.com>, full-disclosure@lists.netsys.com
    Date: Sat, 31 Jan 2004 13:04:30 +1300
    
    

    > From: full-disclosure-admin@lists.netsys.com
    > [mailto:full-disclosure-admin@lists.netsys.com] On Behalf Of
    > first last
    [snip]
    > >
    > >IIRC there are viruses that are encrypted and are almost impossible
    > >to disassemble?
    > >
    > >Would that be true?
    > >
    >
    > Sobig.F was packed with tElock. It's a PE file protector. It
    > "encrypts" the program's code and data, and tries to detect debuggers
    before
    [snip]
    > to successfully unpack the program. All they really needed to
    > do was dump it from memory while it was running and they could've
    analyzed
    > it immediately with any disassembler.

    Forgive me, I am no assembly hacker nor much of a programmer,
    but would it be possible for a program to 'react' in some way
    were one to try to dump it from memory?

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