简单算法——WinRCAD 2000公路设计软件
下载地址：http://tongtian.net/pediy/usr/19/19_2315.rar
软件大小：199K
【软件简介】：公路设计软件解密的二次加密文件。呵呵，zchlb朋友没说，我不清楚。
【软件限制】：必须注册
【作者声明】：初学Crack，只是感兴趣，没有其它目的。失误之处敬请诸位大侠赐教！
【破解工具】：TRW2000娃娃修改版、Ollydbg1.09、PEiD、W32Dasm 9.0白金版
—————————————————————————————————
【过 程】：
呵呵，注册画面一现出来就知道我又碰上Softsentry壳的东东了。^O^^O^
没想到作者“很怕麻烦”，算法一点都没加难，简直就是用Softsentry随便做了一下保护。
用TRW很容易就找到核心了，呵呵，再用Ollydbg跟踪吧，比较直观，还可以享受MP3呀。^O^^O^
系列号：95065
试炼码：13572468
—————————————————————————————————
* Referenced by a (U)nconditional or (C)onditional Jump at Address:
|:0046E895(C)
|
:0046E8BA 8D442450 lea eax, dword ptr [esp+50]
:0046E8BE 6A32 push 00000032
:0046E8C0 8B4C2418 mov ecx, dword ptr [esp+18]
:0046E8C4 50 push eax
:0046E8C5 6801100000 push 00001001
:0046E8CA 51 push ecx
:0046E8CB FF1538954700 call dword ptr [00479538]
====>GetDlgItemTextA 呵呵，很好的断点呀。
:0046E8D1 6689442410 mov word ptr [esp+10], ax
:0046E8D6 8D7C2450 lea edi, dword ptr [esp+50]
====>EDI=13572468 试炼码
:0046E8DA B9FFFFFFFF mov ecx, FFFFFFFF
:0046E8DF 2BC0 sub eax, eax
:0046E8E1 F2 repnz
:0046E8E2 AE scasb
:0046E8E3 F7D1 not ecx
:0046E8E5 2BF9 sub edi, ecx
:0046E8E7 8BD1 mov edx, ecx
:0046E8E9 C1E902 shr ecx, 02
:0046E8EC 8BF7 mov esi, edi
:0046E8EE 8DBC2484000000 lea edi, dword ptr [esp+00000084]
:0046E8F5 F3 repz
:0046E8F6 A5 movsd
:0046E8F7 8BCA mov ecx, edx
:0046E8F9 83E103 and ecx, 00000003
:0046E8FC F3 repz
:0046E8FD A4 movsb
:0046E8FE 66C74424120000 mov [esp+12], 0000
:0046E905 66833D488C470000 cmp word ptr [00478C48], 0000
:0046E90D 0F8E0F040000 jle 0046ED22
* Referenced by a (U)nconditional or (C)onditional Jump at Address:
|:0046ED1A(C)
|
:0046E913 668B5C2410 mov bx, word ptr [esp+10]
:0046E918 33ED xor ebp, ebp
:0046E91A 8D7C2450 lea edi, dword ptr [esp+50]
:0046E91E B9FFFFFFFF mov ecx, FFFFFFFF
:0046E923 2BC0 sub eax, eax
:0046E925 F2 repnz
:0046E926 AE scasb
:0046E927 F7D1 not ecx
:0046E929 2BF9 sub edi, ecx
:0046E92B 8BC1 mov eax, ecx
:0046E92D C1E902 shr ecx, 02
:0046E930 8BF7 mov esi, edi
:0046E932 8D7C241C lea edi, dword ptr [esp+1C]
:0046E936 F3 repz
:0046E937 A5 movsd
:0046E938 8BC8 mov ecx, eax
:0046E93A 83E103 and ecx, 00000003
:0046E93D F3 repz
:0046E93E A4 movsb
:0046E93F 0FBF4C2412 movsx ecx, word ptr [esp+12]
:0046E944 8B354C8C4700 mov esi, dword ptr [00478C4C]
:0046E94A 894C2418 mov dword ptr [esp+18], ecx
:0046E94E C1E102 shl ecx, 02
:0046E951 8D0449 lea eax, dword ptr [ecx+2*ecx]
:0046E954 8D1480 lea edx, dword ptr [eax+4*eax]
:0046E957 03F2 add esi, edx
:0046E959 668B06 mov ax, word ptr [esi]
:0046E95C 66A3388C4700 mov word ptr [00478C38], ax
:0046E962 8B4E08 mov ecx, dword ptr [esi+08]
:0046E965 890D348C4700 mov dword ptr [00478C34], ecx
:0046E96B 8B7E0C mov edi, dword ptr [esi+0C]
:0046E96E 893D448C4700 mov dword ptr [00478C44], edi
:0046E974 8B4610 mov eax, dword ptr [esi+10]
:0046E977 A3CC8B4700 mov dword ptr [00478BCC], eax
:0046E97C 66833D388C470001 cmp word ptr [00478C38], 0001
:0046E984 668B4E14 mov cx, word ptr [esi+14]
:0046E988 66890D3E8C4700 mov word ptr [00478C3E], cx
:0046E98F 740E je 0046E99F
:0046E991 66833D388C470002 cmp word ptr [00478C38], 0002
:0046E999 0F85A4000000 jne 0046EA43
* Referenced by a (U)nconditional or (C)onditional Jump at Address:
|:0046E98F(C)
|
:0046E99F BFFC504700 mov edi, 004750FC
:0046E9A4 B909000000 mov ecx, 00000009
:0046E9A9 8B7620 mov esi, dword ptr [esi+20]
====>ESI=310 呵呵，这是string_1了！
:0046E9AC F3 repz
:0046E9AD A6 cmpsb
:0046E9AE 750C jne 0046E9BC
:0046E9B0 A1E0894700 mov eax, dword ptr [004789E0]
:0046E9B5 A3C08B4700 mov dword ptr [00478BC0], eax
:0046E9BA EB32 jmp 0046E9EE
* Referenced by a (U)nconditional or (C)onditional Jump at Address:
|:0046E9AE(C)
|
:0046E9BC A14C8C4700 mov eax, dword ptr [00478C4C]
:0046E9C1 BFF0504700 mov edi, 004750F0
:0046E9C6 B909000000 mov ecx, 00000009
:0046E9CB 8B740220 mov esi, dword ptr [edx+eax+20]
:0046E9CF F3 repz
:0046E9D0 A6 cmpsb
:0046E9D1 750C jne 0046E9DF
:0046E9D3 A1E4894700 mov eax, dword ptr [004789E4]
:0046E9D8 A3C08B4700 mov dword ptr [00478BC0], eax
:0046E9DD EB0F jmp 0046E9EE
* Referenced by a (U)nconditional or (C)onditional Jump at Address:
|:0046E9D1(C)
|
:0046E9DF A14C8C4700 mov eax, dword ptr [00478C4C]
:0046E9E4 8B4C0220 mov ecx, dword ptr [edx+eax+20]
:0046E9E8 890DC08B4700 mov dword ptr [00478BC0], ecx
* Referenced by a (U)nconditional or (C)onditional Jump at Addresses:
|:0046E9BA(U), :0046E9DD(U)
|
:0046E9EE A14C8C4700 mov eax, dword ptr [00478C4C]
:0046E9F3 BFFC504700 mov edi, 004750FC
:0046E9F8 B909000000 mov ecx, 00000009
:0046E9FD 8B740224 mov esi, dword ptr [edx+eax+24]
====>ESI=228 呵呵，这是string_2了！
:0046EA01 F3 repz
:0046EA02 A6 cmpsb
:0046EA03 750C jne 0046EA11
:0046EA05 A1E0894700 mov eax, dword ptr [004789E0]
:0046EA0A A3C48B4700 mov dword ptr [00478BC4], eax
:0046EA0F EB32 jmp 0046EA43
* Referenced by a (U)nconditional or (C)onditional Jump at Address:
|:0046EA03(C)
|
:0046EA11 A14C8C4700 mov eax, dword ptr [00478C4C]
:0046EA16 BFF0504700 mov edi, 004750F0
:0046EA1B B909000000 mov ecx, 00000009
:0046EA20 8B740224 mov esi, dword ptr [edx+eax+24]
:0046EA24 F3 repz
:0046EA25 A6 cmpsb
:0046EA26 750C jne 0046EA34
:0046EA28 A1E4894700 mov eax, dword ptr [004789E4]
:0046EA2D A3C48B4700 mov dword ptr [00478BC4], eax
:0046EA32 EB0F jmp 0046EA43
* Referenced by a (U)nconditional or (C)onditional Jump at Address:
|:0046EA26(C)
|
:0046EA34 A14C8C4700 mov eax, dword ptr [00478C4C]
:0046EA39 8B4C0224 mov ecx, dword ptr [edx+eax+24]
:0046EA3D 890DC48B4700 mov dword ptr [00478BC4], ecx
* Referenced by a (U)nconditional or (C)onditional Jump at Addresses:
|:0046E999(C), :0046EA0F(U), :0046EA32(U)
|
:0046EA43 A14C8C4700 mov eax, dword ptr [00478C4C]
:0046EA48 66837C020400 cmp word ptr [edx+eax+04], 0000
:0046EA4E 7555 jne 0046EAA5
:0046EA50 8D4C241C lea ecx, dword ptr [esp+1C]
:0046EA54 E8A7F9FFFF call 0046E400
:0046EA59 33C0 xor eax, eax
:0046EA5B 66A1388C4700 mov ax, word ptr [00478C38]
:0046EA61 85C0 test eax, eax
:0046EA63 740C je 0046EA71
:0046EA65 83F801 cmp eax, 00000001
:0046EA68 7C3B jl 0046EAA5
:0046EA6A 83F802 cmp eax, 00000002
:0046EA6D 7E0A jle 0046EA79
:0046EA6F EB34 jmp 0046EAA5
* Referenced by a (U)nconditional or (C)onditional Jump at Address:
|:0046EA63(C)
|
:0046EA71 8B0D348C4700 mov ecx, dword ptr [00478C34]
:0046EA77 EB27 jmp 0046EAA0
* Referenced by a (U)nconditional or (C)onditional Jump at Address:
|:0046EA6D(C)
|
:0046EA79 8B0D448C4700 mov ecx, dword ptr [00478C44]
:0046EA7F E87CF9FFFF call 0046E400
:0046EA84 8B0DCC8B4700 mov ecx, dword ptr [00478BCC]
:0046EA8A E871F9FFFF call 0046E400
:0046EA8F 8B0DC08B4700 mov ecx, dword ptr [00478BC0]
:0046EA95 E866F9FFFF call 0046E400
:0046EA9A 8B0DC48B4700 mov ecx, dword ptr [00478BC4]
* Referenced by a (U)nconditional or (C)onditional Jump at Address:
|:0046EA77(U)
|
:0046EAA0 E85BF9FFFF call 0046E400
* Referenced by a (U)nconditional or (C)onditional Jump at Addresses:
|:0046EA4E(C), :0046EA68(C), :0046EA6F(U)
|
:0046EAA5 33C0 xor eax, eax
:0046EAA7 66A1388C4700 mov ax, word ptr [00478C38]
:0046EAAD 85C0 test eax, eax
:0046EAAF 7417 je 0046EAC8
:0046EAB1 83F801 cmp eax, 00000001
:0046EAB4 0F8C4B020000 jl 0046ED05
:0046EABA 83F802 cmp eax, 00000002
:0046EABD 0F8E92000000 jle 0046EB55
:0046EAC3 E93D020000 jmp 0046ED05
* Referenced by a (U)nconditional or (C)onditional Jump at Address:
|:0046EAAF(C)
|
:0046EAC8 A1348C4700 mov eax, dword ptr [00478C34]
:0046EACD 803800 cmp byte ptr [eax], 00
:0046EAD0 7519 jne 0046EAEB
:0046EAD2 8B442418 mov eax, dword ptr [esp+18]
:0046EAD6 8A80A3894700 mov al, byte ptr [eax+004789A3]
:0046EADC 3C01 cmp al, 01
:0046EADE 7404 je 0046EAE4
:0046EAE0 3C02 cmp al, 02
:0046EAE2 7507 jne 0046EAEB
* Referenced by a (U)nconditional or (C)onditional Jump at Address:
|:0046EADE(C)
|
:0046EAE4 33ED xor ebp, ebp
:0046EAE6 E91A020000 jmp 0046ED05
* Referenced by a (U)nconditional or (C)onditional Jump at Addresses:
|:0046EAD0(C), :0046EAE2(C)
|
:0046EAEB 8B3D348C4700 mov edi, dword ptr [00478C34]
:0046EAF1 B9FFFFFFFF mov ecx, FFFFFFFF
:0046EAF6 2BC0 sub eax, eax
:0046EAF8 F2 repnz
:0046EAF9 AE scasb
:0046EAFA 0FBF442410 movsx eax, word ptr [esp+10]
:0046EAFF F7D1 not ecx
:0046EB01 49 dec ecx
:0046EB02 3BC8 cmp ecx, eax
:0046EB04 7C15 jl 0046EB1B
:0046EB06 8B3D348C4700 mov edi, dword ptr [00478C34]
:0046EB0C B9FFFFFFFF mov ecx, FFFFFFFF
:0046EB11 2BC0 sub eax, eax
:0046EB13 F2 repnz
:0046EB14 AE scasb
:0046EB15 F7D1 not ecx
:0046EB17 49 dec ecx
:0046EB18 668BD9 mov bx, cx
* Referenced by a (U)nconditional or (C)onditional Jump at Address:
|:0046EB04(C)
|
:0046EB1B 6633C9 xor cx, cx
:0046EB1E 6685DB test bx, bx
:0046EB21 7E1E jle 0046EB41
* Referenced by a (U)nconditional or (C)onditional Jump at Address:
|:0046EB3F(C)
|
:0046EB23 8B15348C4700 mov edx, dword ptr [00478C34]
:0046EB29 0FBFC1 movsx eax, cx
:0046EB2C 8A1402 mov dl, byte ptr [edx+eax]
:0046EB2F 80FA3F cmp dl, 3F
:0046EB32 7406 je 0046EB3A
:0046EB34 3854041C cmp byte ptr [esp+eax+1C], dl
:0046EB38 7507 jne 0046EB41
* Referenced by a (U)nconditional or (C)onditional Jump at Address:
|:0046EB32(C)
|
:0046EB3A 6641 inc cx
:0046EB3C 663BCB cmp cx, bx
:0046EB3F 7CE2 jl 0046EB23
* Referenced by a (U)nconditional or (C)onditional Jump at Addresses:
|:0046EB21(C), :0046EB38(C)
|
:0046EB41 662BCB sub cx, bx
:0046EB44 BD00000000 mov ebp, 00000000
:0046EB49 6683F901 cmp cx, 0001
:0046EB4D 83D5FF adc ebp, FFFFFFFF
:0046EB50 E9B0010000 jmp 0046ED05
* Referenced by a (U)nconditional or (C)onditional Jump at Address:
|:0046EABD(C)
|
:0046EB55 8B3D448C4700 mov edi, dword ptr [00478C44]
:0046EB5B B9FFFFFFFF mov ecx, FFFFFFFF
:0046EB60 2BC0 sub eax, eax
:0046EB62 F2 repnz
:0046EB63 AE scasb
:0046EB64 F7D1 not ecx
:0046EB66 49 dec ecx
:0046EB67 6649 dec cx
:0046EB69 6683F9FF cmp cx, FFFF
:0046EB6D 7426 je 0046EB95
:0046EB6F 6685C9 test cx, cx
:0046EB72 7C1B jl 0046EB8F
* Referenced by a (U)nconditional or (C)onditional Jump at Address:
|:0046EB8D(C)
|
:0046EB74 8B15448C4700 mov edx, dword ptr [00478C44]
:0046EB7A 0FBFC1 movsx eax, cx
:0046EB7D 8A1402 mov dl, byte ptr [edx+eax]
:0046EB80 80FA3F cmp dl, 3F
:0046EB83 7406 je 0046EB8B
:0046EB85 3854041C cmp byte ptr [esp+eax+1C], dl
:0046EB89 7504 jne 0046EB8F
* Referenced by a (U)nconditional or (C)onditional Jump at Address:
|:0046EB83(C)
|
:0046EB8B 6649 dec cx
:0046EB8D 79E5 jns 0046EB74
* Referenced by a (U)nconditional or (C)onditional Jump at Addresses:
|:0046EB72(C), :0046EB89(C)
|
:0046EB8F 6683F9FF cmp cx, FFFF
:0046EB93 7505 jne 0046EB9A
* Referenced by a (U)nconditional or (C)onditional Jump at Address:
|:0046EB6D(C)
|
:0046EB95 BD01000000 mov ebp, 00000001
* Referenced by a (U)nconditional or (C)onditional Jump at Address:
|:0046EB93(C)
|
:0046EB9A 8B3DCC8B4700 mov edi, dword ptr [00478BCC]
:0046EBA0 B9FFFFFFFF mov ecx, FFFFFFFF
:0046EBA5 2BC0 sub eax, eax
:0046EBA7 F2 repnz
:0046EBA8 AE scasb
:0046EBA9 F7D1 not ecx
:0046EBAB 49 dec ecx
:0046EBAC 8D7C241C lea edi, dword ptr [esp+1C]
====>EDI=13572468 试炼码
:0046EBB0 668BD1 mov dx, cx
:0046EBB3 2BC0 sub eax, eax
:0046EBB5 B9FFFFFFFF mov ecx, FFFFFFFF
:0046EBBA F2 repnz
:0046EBBB AE scasb
:0046EBBC F7D1 not ecx
:0046EBBE 49 dec ecx
:0046EBBF 662BCA sub cx, dx
:0046EBC2 6685C9 test cx, cx
:0046EBC5 7E2F jle 0046EBF6
:0046EBC7 6633F6 xor si, si
:0046EBCA 6685D2 test dx, dx
:0046EBCD 7E21 jle 0046EBF0
* Referenced by a (U)nconditional or (C)onditional Jump at Address:
|:0046EBEE(C)
|
:0046EBCF A1CC8B4700 mov eax, dword ptr [00478BCC]
:0046EBD4 0FBFFE movsx edi, si
:0046EBD7 8A0438 mov al, byte ptr [eax+edi]
:0046EBDA 3C3F cmp al, 3F
:0046EBDC 740B je 0046EBE9
:0046EBDE 0FBFD9 movsx ebx, cx
:0046EBE1 03DF add ebx, edi
:0046EBE3 38441C1C cmp byte ptr [esp+ebx+1C], al
:0046EBE7 7507 jne 0046EBF0
* Referenced by a (U)nconditional or (C)onditional Jump at Address:
|:0046EBDC(C)
|
:0046EBE9 6646 inc si
:0046EBEB 663BD6 cmp dx, si
:0046EBEE 7FDF jg 0046EBCF
* Referenced by a (U)nconditional or (C)onditional Jump at Addresses:
|:0046EBCD(C), :0046EBE7(C)
|
:0046EBF0 663BD6 cmp dx, si
:0046EBF3 7501 jne 0046EBF6
:0046EBF5 45 inc ebp
* Referenced by a (U)nconditional or (C)onditional Jump at Addresses:
|:0046EBC5(C), :0046EBF3(C)
|
:0046EBF6 83FD02 cmp ebp, 00000002
:0046EBF9 740A je 0046EC05
:0046EBFB BDFEFFFFFF mov ebp, FFFFFFFE
:0046EC00 E900010000 jmp 0046ED05
* Referenced by a (U)nconditional or (C)onditional Jump at Address:
|:0046EBF9(C)
|
:0046EC05 8B3D448C4700 mov edi, dword ptr [00478C44]
:0046EC0B B9FFFFFFFF mov ecx, FFFFFFFF
:0046EC10 2BC0 sub eax, eax
:0046EC12 F2 repnz
:0046EC13 AE scasb
:0046EC14 F7D1 not ecx
:0046EC16 2BC0 sub eax, eax
:0046EC18 8D740C1B lea esi, dword ptr [esp+ecx+1B]
:0046EC1C 8BFE mov edi, esi
:0046EC1E B9FFFFFFFF mov ecx, FFFFFFFF
:0046EC23 F2 repnz
:0046EC24 AE scasb
:0046EC25 F7D1 not ecx
:0046EC27 8B3DCC8B4700 mov edi, dword ptr [00478BCC]
:0046EC2D 2BC0 sub eax, eax
:0046EC2F 8D51FF lea edx, dword ptr [ecx-01]
:0046EC32 B9FFFFFFFF mov ecx, FFFFFFFF
:0046EC37 F2 repnz
:0046EC38 AE scasb
:0046EC39 F7D1 not ecx
:0046EC3B 49 dec ecx
:0046EC3C 8BC6 mov eax, esi
:0046EC3E 2BC1 sub eax, ecx
:0046EC40 8BCE mov ecx, esi
:0046EC42 C6041000 mov byte ptr [eax+edx], 00
:0046EC46 E8C54D0000 call 00473A10
:0046EC4B 85C0 test eax, eax
:0046EC4D 750A jne 0046EC59
:0046EC4F BDFDFFFFFF mov ebp, FFFFFFFD
:0046EC54 E9AC000000 jmp 0046ED05
* Referenced by a (U)nconditional or (C)onditional Jump at Address:
|:0046EC4D(C)
|
:0046EC59 BAE8504700 mov edx, 004750E8
====>EDX=0604 呵呵，程序自给的！
:0046EC5E 8BCE mov ecx, esi
====>ECX=ESI=13572468 试炼码
:0046EC60 BDFCFFFFFF mov ebp, FFFFFFFC
:0046EC65 E8F64D0000 call 00473A60
====>将13572468转化成16进制值 EAX=00CF1974
:0046EC6A 66833D388C470001 cmp word ptr [00478C38], 0001
:0046EC72 8BF0 mov esi, eax
====>ESI=EAX=00CF1974（H）=13572468（D）
:0046EC74 7559 jne 0046ECCF
:0046EC76 668B3D3E8C4700 mov di, word ptr [00478C3E]
:0046EC7D 8B15C08B4700 mov edx, dword ptr [00478BC0]
:0046EC83 66C1EF08 shr di, 08
:0046EC87 668B0D3E8C4700 mov cx, word ptr [00478C3E]
:0046EC8E 6681E1FF00 and cx, 00FF
:0046EC93 E8F8FAFFFF call 0046E790
:0046EC98 03F0 add esi, eax
:0046EC9A 6685FF test di, di
:0046EC9D 750A jne 0046ECA9
:0046EC9F 8B15C48B4700 mov edx, dword ptr [00478BC4]
:0046ECA5 8BCF mov ecx, edi
:0046ECA7 EB0B jmp 0046ECB4
* Referenced by a (U)nconditional or (C)onditional Jump at Address:
|:0046EC9D(C)
|
:0046ECA9 668BCF mov cx, di
:0046ECAC 8B15C48B4700 mov edx, dword ptr [00478BC4]
:0046ECB2 6641 inc cx
* Referenced by a (U)nconditional or (C)onditional Jump at Address:
|:0046ECA7(U)
|
:0046ECB4 E8D7FAFFFF call 0046E790
:0046ECB9 8BC8 mov ecx, eax
:0046ECBB 85C9 test ecx, ecx
:0046ECBD 7507 jne 0046ECC6
:0046ECBF BDFBFFFFFF mov ebp, FFFFFFFB
:0046ECC4 EB36 jmp 0046ECFC
* Referenced by a (U)nconditional or (C)onditional Jump at Address:
|:0046ECBD(C)
|
:0046ECC6 8BC6 mov eax, esi
:0046ECC8 99 cdq
:0046ECC9 F7F9 idiv ecx
:0046ECCB 8BEA mov ebp, edx
:0046ECCD EB2D jmp 0046ECFC
* Referenced by a (U)nconditional or (C)onditional Jump at Address:
|:0046EC74(C)
|
:0046ECCF 66833D388C470002 cmp word ptr [00478C38], 0002
:0046ECD7 7523 jne 0046ECFC
:0046ECD9 668B153E8C4700 mov dx, word ptr [00478C3E]
:0046ECE0 A1C48B4700 mov eax, dword ptr [00478BC4]
====>EAX=228
:0046ECE5 50 push eax
:0046ECE6 8B0DC08B4700 mov ecx, dword ptr [00478BC0]
====>ECX=310
:0046ECEC 51 push ecx
:0046ECED 8B0DD4894700 mov ecx, dword ptr [004789D4]
====>ECX=00017359（H）=95605（D）呵呵，系统代码
:0046ECF3 E828FBFFFF call 0046E820
====>算法CALL！得出下面的EAX值。进入！
:0046ECF8 8BE8 mov ebp, eax
====>EBP=EAX=014BCF5C
:0046ECFA 2BEE sub ebp, esi
====>EBP=014BCF5C（H）=21745500（D） 注册码！
====>ESI=00CF1974（H）=13572468（D） 试炼码！
* Referenced by a (U)nconditional or (C)onditional Jump at Addresses:
|:0046ECC4(U), :0046ECCD(U), :0046ECD7(C)
|
:0046ECFC 85ED test ebp, ebp
====>相减结果是否为0？即：上面2部分是否相等？
:0046ECFE 7429 je 0046ED29
====>不为0则不跳则OVER！
:0046ED00 BDFBFFFFFF mov ebp, FFFFFFFB
* Referenced by a (U)nconditional or (C)onditional Jump at Addresses:
|:0046EAB4(C), :0046EAC3(U), :0046EAE6(U), :0046EB50(U), :0046EC00(U)
|:0046EC54(U)
|
:0046ED05 85ED test ebp, ebp
:0046ED07 7D20 jge 0046ED29
:0046ED09 66FF442412 inc [esp+12]
:0046ED0E 668B442412 mov ax, word ptr [esp+12]
:0046ED13 663905488C4700 cmp word ptr [00478C48], ax
:0046ED1A 0F8FF3FBFFFF jg 0046E913
:0046ED20 EB07 jmp 0046ED29
* Referenced by a (U)nconditional or (C)onditional Jump at Address:
|:0046E90D(C)
|
:0046ED22 8BAC2484000000 mov ebp, dword ptr [esp+00000084]
* Referenced by a (U)nconditional or (C)onditional Jump at Addresses:
|:0046ECFE(C), :0046ED07(C), :0046ED20(U)
|
:0046ED29 33F6 xor esi, esi
:0046ED2B 85ED test ebp, ebp
:0046ED2D 0F8CD5000000 jl 0046EE08
:0046ED33 668B442412 mov ax, word ptr [esp+12]
:0046ED38 663905488C4700 cmp word ptr [00478C48], ax
:0046ED3F 0F8EC3000000 jle 0046EE08
:0046ED45 BA01000000 mov edx, 00000001
:0046ED4A 8B4C2412 mov ecx, dword ptr [esp+12]
:0046ED4E E86DF7FFFF call 0046E4C0
:0046ED53 85C0 test eax, eax
:0046ED55 7476 je 0046EDCD
:0046ED57 6810100000 push 00001010
:0046ED5C 8B1D4C8C4700 mov ebx, dword ptr [00478C4C]
:0046ED62 0FBF442416 movsx eax, word ptr [esp+16]
:0046ED67 C1E002 shl eax, 02
:0046ED6A 68E0504700 push 004750E0
:0046ED6F 8D0C40 lea ecx, dword ptr [eax+2*eax]
:0046ED72 8D1489 lea edx, dword ptr [ecx+4*ecx]
:0046ED75 8B4C241C mov ecx, dword ptr [esp+1C]
:0046ED79 8B441A34 mov eax, dword ptr [edx+ebx+34]
:0046ED7D 50 push eax
:0046ED7E 51 push ecx
:0046ED7F FF154C954700 call dword ptr [0047954C]
:0046ED85 8B4C2414 mov ecx, dword ptr [esp+14]
:0046ED89 6801100000 push 00001001
:0046ED8E 51 push ecx
:0046ED8F FF153C954700 call dword ptr [0047953C]
:0046ED95 8BC8 mov ecx, eax
:0046ED97 E874EBFFFF call 0046D910
:0046ED9C 6689356E894700 mov word ptr [0047896E], si
:0046EDA3 56 push esi
:0046EDA4 668935C0514700 mov word ptr [004751C0], si
:0046EDAB 6802800000 push 00008002
:0046EDB0 6811010000 push 00000111
:0046EDB5 8B0D908B4700 mov ecx, dword ptr [00478B90]
:0046EDBB 51 push ecx
:0046EDBC FF155C954700 call dword ptr [0047955C]
:0046EDC2 5D pop ebp
:0046EDC3 5F pop edi
:0046EDC4 5E pop esi
:0046EDC5 5B pop ebx
:0046EDC6 81C4A8000000 add esp, 000000A8
:0046EDCC C3 ret
:0046EE74 FF154C954700 call dword ptr [0047954C]
====>BAD BOY！
—————————————————————————————————
进入算法CALL：0046ECF3 call 0046E820
* Referenced by a CALL at Address:
|:0046ECF3
|
:0046E820 53 push ebx
:0046E821 56 push esi
:0046E822 57 push edi
:0046E823 8BD9 mov ebx, ecx
====>EBX=ECX=17359 呵呵，系统代码
:0046E825 668BCA mov cx, dx
:0046E828 668BFA mov di, dx
:0046E82B 8B542410 mov edx, dword ptr [esp+10]
====>EDX=310
:0046E82F 6681E1FF00 and cx, 00FF
:0046E834 66C1EF08 shr di, 08
:0046E838 E853FFFFFF call 0046E790
====>将310转化成16进制值 EAX=136
:0046E83D 668BCF mov cx, di
:0046E840 8BF0 mov esi, eax
====>ESI=EAX=136
:0046E842 6685C9 test cx, cx
:0046E845 7517 jne 0046E85E
:0046E847 8B542414 mov edx, dword ptr [esp+14]
====>EDX=228
:0046E84B E840FFFFFF call 0046E790
====>将228转化成16进制值 EAX=E4
:0046E850 8D0C33 lea ecx, dword ptr [ebx+esi]
====>ECX=17359 + 136=1748F
:0046E853 5F pop edi
:0046E854 0FAFC8 imul ecx, eax
====>ECX=1748F * E4=014BCF5C
:0046E857 8BC1 mov eax, ecx
====>EAX=ECX=014BCF5C
:0046E859 5E pop esi
:0046E85A 5B pop ebx
:0046E85B C20800 ret 0008
—————————————————————————————————
【算 法 总 结】：
（系列码17359 + 136）*E4 的10进制值
—————————————————————————————————
【C++ KeyGen】：
#include
void main()
{
unsigned long int m;
cout<<"\n★★★★WinRCAD公路设计软件 KeyGen{10th}★★★★\n\n\n\n";
cout<<"请输入系列号:";
cin >>m;
m+=0X136;
m*=0XE4;
cout<<"\n呵呵，注册码:"<cout<<"\n\n\nCracked By 巢水工作坊——fly [OCN][FCG] 2003-04-21 1:10 COMPILE";
cout<<"\n\n\n * * * 按回车退出！* * *";cin.get();cin.get();
}
—————————————————————————————————
【完 美 爆 破】：
0046ECFC 85ED test ebp, ebp
改为： 33ED xor ebp, ebp
—————————————————————————————————
【KeyMake之{56th}内存注册机】：
中断地址：0046ECFA
中断次数：1
第一字节：2B
指令长度：2
寄存器方式：EBP
十进制
—————————————————————————————————
【注册信息保存】：
1、注册表中
REGEDIT4
[HKEY_CLASSES_ROOT\{vHMU12PzPS}]
@="NUQ=%!!%!&1!!!!)!-1\"O!$5Q.4)U!!!!!!\"=R1!!>`]S-4=U.45Q-!!!!!!!N!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!#!!!!!!!!N!!!!!!!!!.-(\"!!\"!\"5!!!!#!$%!
2、REGEDIT4
REGEDIT4
[HKEY_CLASSES_ROOT\SystemAppIDs]
@="N\"!!!!!!!!!\"\\EB.64%S5(J15XU!"
3、C:\WINDOWS\SYSTEM 下的access.ctl文件。
如果想重新注册必须把以上3处删干净。
—————————————————————————————————
【整 理】：
系列号：95065
注册码：21745500
—————————————————————————————————
, _/
/| _.-~/ \_ , 青春都一饷
( /~ / \~-._ |\
`\\ _/ \ ~\ ) 忍把浮名
_-~~~-.) )__/;;,. \_ //'
/'_,\ --~ \ ~~~- ,;;\___( (.-~~~-. 换了破解轻狂
`~ _( ,_..--\ ( ,;'' / ~-- /._`\
/~~//' /' `~\ ) /--.._, )_ `~
" `~" " `" /~'`\ `\\~~\
" " "~' ""
Cracked By 巢水工作坊——fly [OCN][FCG]
2003-04-21 1:10
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