Cracking Projects For Newbies

NEWBIES: general infos for you
Friday, 05-Feb-99 16:31:44
    195.36.155.2 writes:

    I think the following infos could help people wh o try to patch a program (not only this one). here is the list of the most common jumps and their hex value (for patching):

    Hex: Asm: Means
    75 or 0F85 jne jump if not equal
    74 or 0F84 je jump if equal
    EB jmp jump directly to
    90 nop no operation
    77 or 0F87 ja jump if above
    0F86 jna jump if not above
    0F83 jae jump if above or equal
    0F82 jnae jump if not above or equal
    0F82 jb jump if below
    0F83 jnb jump if not below
    0F86 jbe jump if below or equal
    0F87 jnbe jump if not below or equal
    0F8F jg jump if greater
    0F8E jng jump if not greater
    0F8D jge jump if greater or equal
    0F8C jnge jump if not greater or equal
    0F8C jl jump if less
    0F8D jnl jump if not less
    0F8E jle jump if less or equal
    0F8F jnle jump if not less or equal

    (from TKC's tutorial 1)

    Friendly

    HarvestR


Message thread:

HarvestR: Checking the HLP file (03-Feb-99 11:53:15)

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