軟體名稱:NoteWorthy Composer 1.55b
軟體來源:軟體世界2000.2
軟體介紹:音樂創造者的最愛,可以直接用五線譜創作音樂
設斷點:bpx hmemcpy
軟體被中斷後,按F12 22次(第23次出錯誤畫面)
* Referenced by a (U)nconditional or (C)onditional Jump at Address:
|:0041E469(U)
|
:0041D68C 55
push ebp
:0041D68D 8BEC
mov ebp, esp
:0041D68F 53
push ebx
:0041D690 8B5D08
mov ebx, dword ptr [ebp+08]
:0041D693 8D4324
lea eax, dword ptr [ebx+24]
:0041D696 50
push eax
:0041D697 53
push ebx
:0041D698 E818FFFFFF call 0041D5B5
:0041D69D 83C408
add esp, 00000008 <-----程式返回到此
:0041D6A0 8D4324
lea eax, dword ptr [ebx+24]
:0041D6A3 50
push eax
:0041D6A4 E8B9F00300 call 0045C762
:0041D6A9 59
pop ecx
:0041D6AA 85C0
test eax, eax
:0041D6AC 7542
jne 0041D6F0 <-----正常註冊由此跳轉
追入0045C762的CALL找到下面的程式
* Referenced by a (U)nconditional or (C)onditional Jump at Address:
|:0045C795(C)
|
:0045C79B C645F000 mov
[ebp-10], 00
:0045C79F 8D45F0
lea eax, dword ptr [ebp-10]
:0045C7A2 50
push eax
:0045C7A3 FF7348
push [ebx+48]
:0045C7A6 8D4308
lea eax, dword ptr [ebx+08]
:0045C7A9 50
push eax
:0045C7AA FF7304
push [ebx+04]
:0045C7AD FF33
push dword ptr [ebx]
:0045C7AF E8D5000000 call 0045C889
:0045C7B4 83C414
add esp, 00000014
:0045C7B7 83C34C
add ebx, 0000004C
:0045C7BA 53
push ebx
:0045C7BB 8D45F0
lea eax, dword ptr [ebp-10]
:0045C7BE 50
push eax <------在此D EAX可看到註冊碼
:0045C7BF E8404EFBFF call 00411604
:0045C7C4 83C408
add esp, 00000008
:0045C7C7 85C0
test eax, eax
:0045C7C9 0F94C0
sete al
:0045C7CC 83E001
and eax, 00000001
* Referenced by a (U)nconditional or (C)onditional Jump at Addresses:
|:0045C77C(U), :0045C786(U), :0045C799(U)
|
:0045C7CF 5B
pop ebx
:0045C7D0 8BE5
mov esp, ebp
:0045C7D2 5D
pop ebp
:0045C7D3 C3
ret
幾組使用者名稱和註冊碼:
使用者名稱:Killer
註冊碼:000-640-492482
使用者名稱:Cracker
註冊碼:000-313-555322
使用者名稱:Player
註冊碼:000-685-858909
使用者名稱:Begginner
註冊碼:000-485-395681
由上面的註冊碼可看出第一組000是固定的,第二組我未找到計算的地方
第三組我找到了計算的地方但該計算很複雜,此處不再詳述