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Thread: Unpacking UPX

  1. #1
    melvill
    Guest

    Unpacking UPX

    Hi Guys,

    hv read some where that it is possible unpacking UPX file on debuggin session with OLLY is that correct ? if yes how ?

    rgds

    Melvill
    I promise that I have read the FAQ and tried to use the Search to answer my question.

  2. #2
    Anonymous
    Guest

    Unpacking UPX

    yes it's correct. Just search for the famous signature bytes, breakpoint, run, dump. Job done
    I promise that I have read the FAQ and tried to use the Search to answer my question.

  3. #3

    Unpacking UPX

    the plugin ollydmp is useful, and have a tracer to help find the OEP to dump.

    Ricardo

  4. #4
    Anonymous
    Guest

    Unpacking UPX

    Hello Ricardo
    Can you write a tut about how to use ollydmp please?

    regards
    I promise that I have read the FAQ and tried to use the Search to answer my question.

  5. #5
    Ricrado Narvaja
    Guest

    Unpacking UPX

    i write many tuts and i have a tut how unpack upx with ollydmp but is not translated is in spanish and for XP.

    Ricardo
    I promise that I have read the FAQ and tried to use the Search to answer my question.

  6. #6
    melvill
    Guest

    Unpacking UPX

    Thks Guys

    Ricardo, can you send this tut for me ? i understand Spanish

    melvill@crkportugal.com

    thnks
    I promise that I have read the FAQ and tried to use the Search to answer my question.

  7. #7
    Anonymous
    Guest

    Unpacking UPX

    loooool

    And what about us?
    I don't understand Spanish lng.
    I promise that I have read the FAQ and tried to use the Search to answer my question.

  8. #8
    Anonymous
    Guest

    Unpacking UPX

    Why do you need a tut for UPX? It's by far the easiest packer to unpack !
    I promise that I have read the FAQ and tried to use the Search to answer my question.

  9. #9
    Anonymous
    Guest

    Unpacking UPX

    I don't need a tut for UPX ,I need a tut about how to use OllyDmp only.
    I promise that I have read the FAQ and tried to use the Search to answer my question.

  10. #10
    Anonymous
    Guest

    Unpacking UPX

    If you don't understand spanish, use Babelfish.

    Also, I find LordPE better than OllyDump.
    I promise that I have read the FAQ and tried to use the Search to answer my question.

  11. #11
    Ricrado Narvaja
    Guest

    Unpacking UPX

    LordPE is different OLLYDMP.

    If you dump with ollydmp and rebuild with lordpe, ollydmp try reconstruct the IAT, the 90 % of unpackings in UPX, rebuild perfect IAT, with lordpe is a good dumper but no rebuild THE IAT, the dumped run only in your machine if run, and you need use IMPORT RECONSTRUCTOR or REVIRGIN, with OLLYDMP is not necesary, make all the work.

    Ricardo
    I promise that I have read the FAQ and tried to use the Search to answer my question.

  12. #12
    RobMad
    Guest

    Unpacking UPX

    Ricardo Narvaja, can you send me the tut for unpack UPX in Ollydbg?
    ps: I can read spanish well!

    robmad@hotmail.com

    Thanks!!!
    I promise that I have read the FAQ and tried to use the Search to answer my question.

  13. #13
    Anonymous
    Guest

    Unpacking UPX

    Yah send me too please :P

    I understand spanish TOO (babelfish even)

    Thanks

    TByteSoft@ntlworld.com
    I promise that I have read the FAQ and tried to use the Search to answer my question.

  14. #14
    Anonymous
    Guest

    Unpacking UPX

    http://www.geocities.com/r_etarded/ollydump.html


    a tute to unpack with olly/ollydump for UPX/FSG
    I promise that I have read the FAQ and tried to use the Search to answer my question.

  15. #15
    Anonymous
    Guest

    Unpacking UPX

    Checkout GuiPEX. A program that is make to both uncompress/compress programs. Works like a charm.
    I promise that I have read the FAQ and tried to use the Search to answer my question.

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