(OllyDbg complete tutorial to crack the introductory scripture! Since compilation is too important for cracking, I hope you must memorize the following sentences and formulas carefully! A warning to beginners: Don't be greedy for common sense, the most important thing is to learn miscellaneous facts! Common assembly commands for software cracking cmpa,b?//Compare a with bmova,b?//Send the b value to the a value, so that a=bret??//Return to the main program nop??//No effect, English (nooperation ) shorthand, meaning "donothing" (machine code 90)? (ultraedit opens the edit exe file to see the nop of 90 appropriate assembly sentences) call??//Call a subprogram, the subprogram ends with ret je or jz?//equal Jump (machine code is 74 or 84) jne or jnz?//Jump if not equal (machine code is 75 or 85) jmp??//Unconditional jump (machine code is EB) jb??//If it is less than, jump ja ??//If it is greater than then jump jg??//If it is greater than then jump jge??//If it is greater than or equal to jump jl??//If it is less than then jump popxxx?//xxx pops the stack pushxxx?//xxx pushes the stack ? The following phrase was forwarded by me. Very classic. I am also studying hard. ?One (jump) of the explosion invincible formula will kill you, nine barrels (90) will be fooled (corresponding to the above 2--modified to nop), one (jump) will be fooled, and one cake (EB) will serve (corresponding to the above 1--modified For jmp)? Wife is dead (74) Wife is dead (75)? Dad is dead (84) Dad is dead (85)
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