Name : eCatch Version : generic Editor : eCatch Target : eCatch.exe Tools : Softice Brain Cracker : LW2000 Tutorial : No.28 www.ecatch.com/index --- DISCLAIMER For educational purposes only! I hold no responsibility of the mis-used of this material! --- 1. Ok, load eCatch and click on '?' then register. Name: Cracked by LW2000 Serial: 1230099 Press [ctrl]+[d] to switch to sice and then 'bpx hmemcpy'. F5 to retur to app. 2. Click on validate. *BOOM* Sice pops up. Now press F12 until you are in the code (i think it was about 7 times). Now trace with F10 to the code until you're in Prot16. This reads the name, but we want to have the serial... so nearly the same again! Press F12 until you're back in the code (i think it was about 7 times). Ok, trace with F10 to: E8CAB7FEFF CALL 004ADB94 8B45F4 MOV EAX, [EBP-0C] 8B45F4 PUSH EAX Ok, trace 1 instruction more and then 'd eax'. Mhmm, cool number! Let's write it down. 'bc *' and then press F5 to return to the app. Now try to register with our new number. Congratulation! You are a registered user. FINISH! Easy, or? cu LW2000 Any comments? Mail me LW2000@gmx.net !!! ---- tKC, thx for your tutors! I started with tutor 1 and i still read them... they are the best!