CSE HTML Validator v3.01
Introduction |
Greetings and welcome to the noble art of reverse engineering!
Tools required |
Numega SoftIce v3.22
Target's URL |
http://www.htmlvalidator.com/
Essay |
Step1 Run the reg.process!
Step2 Start softice and place a breakpoint on BPX GetDlgItemTextA
return and press
'OK'
and softice
breaks due to....BPX USER32! GetDlgItemTextA
Step3 Press 'F11' once.
Step4 Press 'F5' once.
Step5 You should land here..................
USER32! GetDlgItemTextA
:BFF61657 B196
MOV CL , 96
Step6 Scroll down to.................
:00431276 51
PUSH ECX => Username!
Step7 Trace down to............
:0043129D 8D8D00FCFFFF LEA ECX , [EBP-0400]
dump
=> Valid serial!
Step8 At...............
:004312A3 51 PUSH ECX => fake code!
and.............
:004312AA 50
PUSH EAX => Saves valid
serial!
Final Notes |
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