某软件安装序列号算法分析之二

pendan2001 · 发表于 2016-6-30 10:04

本帖最后由 pendan2001 于 2016-6-30 20:03 编辑

【文章标题】:Macromedia FLASH 4.0简体中文正式版序列号分析
【软件名称】: Macromedia FLASH 4.0简体中文正式版
【下载地址】: 自己找吧
【使用工具】: OD等
【操作平台】:Winxp
【软件介绍】: 一看就明白干什么的。
【声    明】: 仅为算法研究，勿作它途。

这个现在都是古董了，很多年前写的，没什么技术含量，写的不好别笑我，当时没留截图，大家凑合着看把，

00603FC0 .  837D 8C 00 cmp    dword ptr [ebp-74], 0////这里下断点,F9运行后断在这里
00603FC4 .  74 39       je    short 00603FFF
00603FC6 .  8B45 8C    mov    eax, dword ptr [ebp-74]
00603FC9 .  83B8 8C230000>cmp    dword ptr [eax+238C], 0
00603FD0 .  74 07       je    short 00603FD9
00603FD2 .  8BC8       mov    ecx, eax
00603FD4 .  E8 8777FFFF call 005FB760
00603FD9 >  8B45 8C    mov    eax, dword ptr [ebp-74]
00603FDC .  83B8 88230000>cmp    dword ptr [eax+2388], 0
00603FE3 .  74 07       je    short 00603FEC
00603FE5 .  8BC8       mov    ecx, eax
00603FE7 .  E8 147FFFFF call 005FBF00
00603FEC >  8B45 8C    mov    eax, dword ptr [ebp-74]
00603FEF .  83B8 94230000>cmp    dword ptr [eax+2394], 0
00603FF6 .  74 07       je    short 00603FFF
00603FF8 .  8BC8       mov    ecx, eax
00603FFA .  E8 617CFFFF call 005FBC60
00603FFF >  8B45 F0    mov    eax, dword ptr [ebp-10]
00604002 .  05 CC010000 add    eax, 1CC
00604007 .  8338 00    cmp    dword ptr [eax], 0
0060400A .  75 0F       jnz    short 0060401B
0060400C .  6A 00       push 0                               ; /Reserved = 0
0060400E .  6A 10       push 10                            ; |Flags = APPCLASS_STANDARD|APPCMD_CLIENTONLY
00604010 .  68 B0306000 push 006030B0                      ; |Callback = Flash.006030B0
00604015 .  50          push eax                            ; |pInstID
00604016 .  E8 3182F5FF call <jmp.&USER32.DdeInitializeA>    ; \DdeInitializeA
往上看，找个合适地方下断点
0060401E .  E8 4D060000 call 00604670//@@@@@@@@@@@@@@@@ F7 @@@@@@@@@@@@@@@@
00604023 .  85C0       test eax, eax
00604025 .  75 11       jnz    short 00604038

00604670 $  64:A1 0000000>mov    eax, dword ptr fs:[0]
00604676 .  55          push ebp
00604677 .  8BEC       mov    ebp, esp
00604679 .  6A FF       push -1
0060467B .  68 6C496000 push 0060496C
00604680 .  50          push eax
00604681 .  64:8925 00000>mov    dword ptr fs:[0], esp
00604688 .  81EC EC010000 sub    esp, 1EC
0060468E .  894D EC    mov    dword ptr [ebp-14], ecx
00604691 .  53          push ebx
00604692 .  56          push esi
00604693 .  8D4D E4    lea    ecx, dword ptr [ebp-1C]
00604696 .  57          push edi
00604697 .  33DB       xor    ebx, ebx
00604699 .  E8 A53DF6FF call 00568443
0060469E .  68 8A020000 push 28A
006046A3 .  8D4D E4    lea    ecx, dword ptr [ebp-1C]
006046A6 .  895D FC    mov    dword ptr [ebp-4], ebx
006046A9 .  E8 5745F6FF call 00568C05
006046AE .  8B45 E4    mov    eax, dword ptr [ebp-1C]
006046B1 .  68 C02E6E00 push 006E2EC0                               ;  ASCII "yes"
006046B6 .  50          push eax
006046B7 .  E8 A471F4FF call 0054B860
006046BC .  83C4 08    add    esp, 8
006046BF .  83F8 01    cmp    eax, 1
006046C2 .  1BC0       sbb    eax, eax
006046C4 .  8B4D EC    mov    ecx, dword ptr [ebp-14]
006046C7 .  F7D8       neg    eax
006046C9 .  53          push ebx
006046CA .  8945 DC    mov    dword ptr [ebp-24], eax
006046CD .  68 B42E6E00 push 006E2EB4                               ;  ASCII "Register"
006046D2 .  68 A42E6E00 push 006E2EA4                               ;  ASCII "Registration"
006046D7 .  E8 E4FBFFFF call 006042C0
006046DC .  53          push ebx
006046DD .  8D4D E0    lea    ecx, dword ptr [ebp-20]
006046E0 .  68 942E6E00 push 006E2E94                               ;  ASCII "Serial Number"
006046E5 .  8945 F0    mov    dword ptr [ebp-10], eax
006046E8 .  68 A42E6E00 push 006E2EA4                               ;  ASCII "Registration"
006046ED .  51          push ecx
006046EE .  8B4D EC    mov    ecx, dword ptr [ebp-14]
006046F1 .  E8 DAFCFFFF call 006043D0
006046F6 .  B9 FFFFFFFF mov    ecx, -1
006046FB .  2BC0       sub    eax, eax
006046FD .  C645 FC 01 mov    byte ptr [ebp-4], 1
00604701 .  8B7D E0    mov    edi, dword ptr [ebp-20]
00604704 .  F2:AE       repne scas byte ptr es:[edi]
00604706 .  F7D1       not    ecx
00604708 .  2BF9       sub    edi, ecx
0060470A .  8BC1       mov    eax, ecx
0060470C .  C1E9 02    shr    ecx, 2
0060470F .  8BF7       mov    esi, edi
00604711 .  8DBD 08FEFFFF lea    edi, dword ptr [ebp-1F8]
00604717 .  F3:A5       rep    movs dword ptr es:[edi], dword ptr [esi]
00604719 .  8BC8       mov    ecx, eax
0060471B .  83E1 03    and    ecx, 3
0060471E .  F3:A4       rep    movs byte ptr es:[edi], byte ptr [esi]
00604720 .  8D8D 08FEFFFF lea    ecx, dword ptr [ebp-1F8]
00604726 .  51          push ecx
00604727 .  E8 84FBFFFF call 006042B0
0060472C .  83C4 04    add    esp, 4
0060472F .  8945 E8    mov    dword ptr [ebp-18], eax
00604732 .  3BC3       cmp    eax, ebx
00604734 .  0F85 4D010000 jnz    00604887
0060473A .  53          push ebx
0060473B .  8D8D 68FFFFFF lea    ecx, dword ptr [ebp-98]
00604741 .  E8 7AC4E5FF call 00460BC0
00604746 .  68 8C2E6E00 push 006E2E8C                               ;  ASCII "FLW400-"
0060474B .  8D4D C8    lea    ecx, dword ptr [ebp-38]
0060474E .  C645 FC 02 mov    byte ptr [ebp-4], 2
00604752 .  E8 943FF6FF call 005686EB
00604757 .  899D 64FFFFFF mov    dword ptr [ebp-9C], ebx
0060475D .  895D E8    mov    dword ptr [ebp-18], ebx
00604760 >  83BD 64FFFFFF>cmp    dword ptr [ebp-9C], 5
00604767 .  0F8D 0A010000 jge    00604877
0060476D .  8D8D 68FFFFFF lea    ecx, dword ptr [ebp-98]
00604773 .  E8 9847E2FF call 00428F10//跳出注册窗口,输入注册信息后，点“确定”后，继续往下
00604778 .  83F8 01    cmp    eax, 1
0060477B .  74 0F       je    short 0060478C
0060477D .  C785 64FFFFFF>mov    dword ptr [ebp-9C], 5
00604787 .  E9 DB000000 jmp    00604867
0060478C >  8B7D C8    mov    edi, dword ptr [ebp-38]//(ASCII "FLW400-12345-67890-54321")
0060478F .  B9 FFFFFFFF mov    ecx, -1
00604794 .  2BC0       sub    eax, eax
00604796 .  F2:AE       repne scas byte ptr es:[edi]
00604798 .  F7D1       not    ecx
0060479A .  2BF9       sub    edi, ecx
0060479C .  8BC1       mov    eax, ecx
0060479E .  C1E9 02    shr    ecx, 2
006047A1 .  8BF7       mov    esi, edi
006047A3 .  8DBD 08FEFFFF lea    edi, dword ptr [ebp-1F8]
006047A9 .  F3:A5       rep    movs dword ptr es:[edi], dword ptr [esi]
006047AB .  8BC8       mov    ecx, eax
006047AD .  83E1 03    and    ecx, 3
006047B0 .  F3:A4       rep    movs byte ptr es:[edi], byte ptr [esi]
006047B2 .  8D8D 08FEFFFF lea    ecx, dword ptr [ebp-1F8]
006047B8 .  51          push ecx//(ASCII "FLW400-12345-67890-54321")
006047B9 .  E8 F2FAFFFF call 006042B0//@@@@@@@@@@@@@@@@ F7 @@@@@@@@@@@@@@@@
006047BE .  83C4 04    add    esp, 4
006047C1 .  8945 E8    mov    dword ptr [ebp-18], eax
006047C4 .  85C0       test eax, eax
006047C6 .  75 31       jnz    short 006047F9//不跳就over了。
006047C8 .  8D4D F0    lea    ecx, dword ptr [ebp-10]
006047CB .  E8 733CF6FF call 00568443
006047D0 .  68 7F020000 push 27F
006047D5 .  8D4D F0    lea    ecx, dword ptr [ebp-10]
006047D8 .  C645 FC 03 mov    byte ptr [ebp-4], 3
006047DC .  E8 2444F6FF call 00568C05
006047E1 .  6A 00       push 0/////(ASCII "Required Information",LF,LF,"This Macromedia product cannot run without your name and serial number. ")
________________________________________________
006042B0  /$  8B4424 04    mov    eax, dword ptr [esp+4]
006042B4  |.  6A 00       push 0
006042B6  |.  50          push eax
006042B7  |.  E8 A404E5FF call 00454760//@@@@@@@@@@@@@@@@ F7 @@@@@@@@@@@@@@@@
006042BC  |.  83C4 08    add    esp, 8
006042BF  \.  C3          retn
........
0045478D  |.  52          push edx//(ASCII "FLW400-12345-67890-54321")
0045478E  |.  E8 CD000000 call 00454860//@@@@@@@@@@@@@@@@ F7 @@@@@@@@@@@@@@@@
_________________________________
00454860  /$  83EC 3C    sub    esp, 3C
00454863  |.  B8 07000000 mov    eax, 7
00454868  |.  884424 1C    mov    byte ptr [esp+1C], al
0045486C  |.  53          push ebx
0045486D  |.  C64424 21 10  mov    byte ptr [esp+21], 10
00454872  |.  C64424 22 0F  mov    byte ptr [esp+22], 0F
00454877  |.  C64424 23 16  mov    byte ptr [esp+23], 16
0045487C  |.  56          push esi
0045487D  |.  57          push edi
0045487E  |.  C64424 2C 15  mov    byte ptr [esp+2C], 15
00454883  |.  C64424 2D 18  mov    byte ptr [esp+2D], 18
00454888  |.  C64424 2E 14  mov    byte ptr [esp+2E], 14
0045488D  |.  BB 03000000 mov    ebx, 3
00454892  |.  B9 04000000 mov    ecx, 4
00454897  |.  885C24 10    mov    byte ptr [esp+10], bl
0045489B  |.  884C24 14    mov    byte ptr [esp+14], cl
0045489F  |.  C64424 2F 17  mov    byte ptr [esp+2F], 17
004548A4  |.  C64424 11 0B  mov    byte ptr [esp+11], 0B
004548A9  |.  C64424 12 12  mov    byte ptr [esp+12], 12
004548AE  |.  C64424 13 11  mov    byte ptr [esp+13], 11
004548B3  |.  33D2       xor    edx, edx
004548B5  |.  884424 40    mov    byte ptr [esp+40], al
004548B9  |.  C64424 15 09  mov    byte ptr [esp+15], 9
004548BE  |.  C64424 16 0A  mov    byte ptr [esp+16], 0A
004548C3  |.  8D4424 41    lea    eax, dword ptr [esp+41]
004548C7  |.  885C24 34    mov    byte ptr [esp+34], bl
004548CB  |.  C64424 17 0C  mov    byte ptr [esp+17], 0C
004548D0  |.  C64424 18 0E  mov    byte ptr [esp+18], 0E
004548D5  |.  8910       mov    dword ptr [eax], edx
004548D7  |.  884C24 38    mov    byte ptr [esp+38], cl
004548DB  |.  66:8950 04 mov    word ptr [eax+4], dx
004548DF  |.  8B7424 4C    mov    esi, dword ptr [esp+4C]
004548E3  |.  8BFE       mov    edi, esi
004548E5  |.  B9 FFFFFFFF mov    ecx, -1
004548EA  |.  8850 06    mov    byte ptr [eax+6], dl
004548ED  |.  895424 39    mov    dword ptr [esp+39], edx
004548F1  |.  8D4424 35    lea    eax, dword ptr [esp+35]
004548F5  |.  66:8910    mov    word ptr [eax], dx
004548F8  |.  8850 02    mov    byte ptr [eax+2], dl
004548FB  |.  2BC0       sub    eax, eax
004548FD  |.  F2:AE       repne scas byte ptr es:[edi]
004548FF  |.  F7D1       not    ecx
00454901  |.  49          dec    ecx
00454902  |.  83F9 18    cmp    ecx, 18//序列号是否是24位
00454905  |.  0F85 AC010000 jnz    00454AB7
0045490B  |.  807E 06 2D cmp    byte ptr [esi+6], 2D//第7位是否是“-”
0045490F  |.  0F85 A2010000 jnz    00454AB7
00454915  |.  807E 0C 2D cmp    byte ptr [esi+C], 2D//第13位是否是“-”
00454919  |.  0F85 98010000 jnz    00454AB7
0045491F  |.  807E 12 2D cmp    byte ptr [esi+12], 2D//第19位是否是“-”
00454923  |.  0F85 8E010000 jnz    00454AB7
00454929  |.  66:B9 0100 mov    cx, 1
0045492D  |>  0FBFC1       /movsx eax, cx
00454930  |.  66:41       |inc    cx
00454932  |.  0FBE5404 28 |movsx edx, byte ptr [esp+eax+28]
00454937  |.  66:83F9 07 |cmp    cx, 7
0045493B  |.  8A5432 FF    |mov    dl, byte ptr [edx+esi-1]//依次取序列号第16位8，第15位7,第22位3，第21位4，第24位1,第20位5，第23位2,即8734152
0045493F  |.  885404 3F    |mov    byte ptr [esp+eax+3F], dl
00454943  |.^ 7E E8       \jle    short 0045492D
00454945  |.  66:B9 0100 mov    cx, 1
00454949  |>  0FBFC1       /movsx eax, cx
0045494C  |.  66:41       |inc    cx
0045494E  |.  0FBE5404 10 |movsx edx, byte ptr [esp+eax+10]
00454953  |.  66:83F9 03 |cmp    cx, 3
00454957  |.  8A5432 FF    |mov    dl, byte ptr [edx+esi-1]//依次取序列号第11位4，第18位0，第17位9，即409
0045495B  |.  885404 33    |mov    byte ptr [esp+eax+33], dl
0045495F  |.^ 7E E8       \jle    short 00454949
00454961  |.  66:B9 0100 mov    cx, 1
00454965  |>  0FBFC1       /movsx eax, cx
00454968  |.  66:41       |inc    cx
0045496A  |.  0FBE5404 14 |movsx edx, byte ptr [esp+eax+14]
0045496F  |.  66:83F9 04 |cmp    cx, 4
00454973  |.  8A5432 FF    |mov    dl, byte ptr [edx+esi-1]//依次取序列号第9位2，第10位3，第12位5，第14位6，即2356,16进制值为934
00454977  |.  885404 37    |mov    byte ptr [esp+eax+37], dl
0045497B  |.^ 7E E8       \jle    short 00454965
0045497D  |.  8D4424 20    lea    eax, dword ptr [esp+20]
00454981  |.  8D4C24 40    lea    ecx, dword ptr [esp+40]
00454985  |.  50          push eax
00454986  |.  68 A8F96D00 push 006DF9A8
0045498B  |.  51          push ecx//ecx=0013F96C, (ASCII "8734152")
0045498C  |.  E8 0F510F00 call 00549AA0
00454991  |.  8D4C24 30    lea    ecx, dword ptr [esp+30]
00454995  |.  8D5424 40    lea    edx, dword ptr [esp+40]
00454999  |.  83C4 0C    add    esp, 0C
0045499C  |.  51          push ecx
0045499D  |.  68 A8F96D00 push 006DF9A8
004549A2  |.  52          push edx//edx=0013F960, (ASCII "409")
004549A3  |.  E8 F8500F00 call 00549AA0
004549A8  |.  8D4C24 20    lea    ecx, dword ptr [esp+20]
004549AC  |.  8D5424 44    lea    edx, dword ptr [esp+44]
004549B0  |.  83C4 0C    add    esp, 0C
004549B3  |.  8D7E 03    lea    edi, dword ptr [esi+3]
004549B6  |.  51          push ecx
004549B7  |.  68 A8F96D00 push 006DF9A8
004549BC  |.  52          push edx//edx=0013F964, (ASCII "2356")
004549BD  |.  E8 DE500F00 call 00549AA0
004549C2  |.  8D4C24 28    lea    ecx, dword ptr [esp+28]
004549C6  |.  83C4 0C    add    esp, 0C
004549C9  |.  33DB       xor    ebx, ebx
004549CB  |.  6A 03       push 3
004549CD  |.  57          push edi
004549CE  |.  51          push ecx
004549CF  |.  E8 FC7E0F00 call 0054C8D0
004549D4  |.  8D4424 3C    lea    eax, dword ptr [esp+3C]
004549D8  |.  8D4C24 28    lea    ecx, dword ptr [esp+28]
004549DC  |.  885C24 2B    mov    byte ptr [esp+2B], bl
004549E0  |.  83C4 0C    add    esp, 0C
004549E3  |.  50          push eax
004549E4  |.  68 A8F96D00 push 006DF9A8
004549E9  |.  51          push ecx//ecx=0013F948, (ASCII "400")
004549EA  |.  E8 B1500F00 call 00549AA0
004549EF  |.  8D4C24 28    lea    ecx, dword ptr [esp+28]
004549F3  |.  83C4 0C    add    esp, 0C
004549F6  |.  6A 02       push 2
004549F8  |.  57          push edi
004549F9  |.  51          push ecx//ecx=0013F948, (ASCII "400")
004549FA  |.  E8 D17E0F00 call 0054C8D0
004549FF  |.  8D4C24 34    lea    ecx, dword ptr [esp+34]
00454A03  |.  8D5424 28    lea    edx, dword ptr [esp+28]
00454A07  |.  885C24 2A    mov    byte ptr [esp+2A], bl
00454A0B  |.  83C4 0C    add    esp, 0C
00454A0E  |.  51          push ecx
00454A0F  |.  68 A8F96D00 push 006DF9A8
00454A14  |.  52          push edx//ecx=0013F948, (ASCII "40")
00454A15  |.  E8 86500F00 call 00549AA0
00454A1A  |.  8D5424 1A    lea    edx, dword ptr [esp+1A]
00454A1E  |.  83C4 0C    add    esp, 0C
00454A21  |.  8D4E 07    lea    ecx, dword ptr [esi+7]
00454A24  |.  6A 01       push 1
00454A26  |.  51          push ecx
00454A27  |.  52          push edx
00454A28  |.  E8 A37E0F00 call 0054C8D0
00454A2D  |.  8D4C24 1C    lea    ecx, dword ptr [esp+1C]
00454A31  |.  885C24 1B    mov    byte ptr [esp+1B], bl
00454A35  |.  83C4 0C    add    esp, 0C
00454A38  |.  51          push ecx
00454A39  |.  8D5424 12    lea    edx, dword ptr [esp+12]
00454A3D  |.  68 A8F96D00 push 006DF9A8
00454A42  |.  52          push edx
00454A43  |.  E8 58500F00 call 00549AA0
00454A48  |.  8B4C24 3C    mov    ecx, dword ptr [esp+3C]
00454A4C  |.  8B5424 30    mov    edx, dword ptr [esp+30]
00454A50  |.  8B4424 1C    mov    eax, dword ptr [esp+1C]
00454A54  |.  83C4 0C    add    esp, 0C
00454A57  |.  51          push ecx//将400转化为16进制190
00454A58  |.  52          push edx//将409转化为16进制199
00454A59  |.  8B4C24 28    mov    ecx, dword ptr [esp+28]
00454A5D  |.  50          push eax
00454A5E  |.  51          push ecx//将8734152转化为16进制8545C8
00454A5F  |.  E8 BC000000 call 00454B20//@@@@@@@@@@@@@@@@ F7 @@@@@@@@@@@@@@@@算法核心
___________________________________________
00454B20  /$  83EC 24    sub    esp, 24
00454B23  |.  B9 A0860100 mov    ecx, 186A0             //固定值186A0
00454B28  |.  53          push ebx
00454B29  |.  56          push esi
00454B2A  |.  8B7424 30    mov    esi, dword ptr [esp+30]
00454B2E  |.  57          push edi
00454B2F  |.  55          push ebp
00454B30  |.  8BC6       mov    eax, esi
00454B32  |.  BB 0A000000 mov    ebx, 0A                //固定值0A
00454B37  |.  8B7C24 40    mov    edi, dword ptr [esp+40]
00454B3B  |.  99          cdq
00454B3C  |.  F7F9       idiv ecx             //8545C8 除 186A0=57+8568
00454B3E  |.  894424 28    mov    dword ptr [esp+28], eax
00454B42  |.  8BC7       mov    eax, edi
00454B44  |.  99          cdq
00454B45  |.  F7FB       idiv ebx             //199 除 0A=28+9
00454B47  |.  8BC8       mov    ecx, eax
00454B49  |.  BB 64000000 mov    ebx, 64       //固定值64
00454B4E  |.  8BC6       mov    eax, esi
00454B50  |.  BD 0A000000 mov    ebp, 0A       //固定值0A
00454B55  |.  99          cdq
00454B56  |.  F7FB       idiv ebx          //8545C8 除 64=1552D+34
00454B58  |.  BB E8030000 mov    ebx, 3E8    //固定值3E8
00454B5D  |.  894424 20    mov    dword ptr [esp+20], eax
00454B61  |.  8BC6       mov    eax, esi
00454B63  |.  99          cdq
00454B64  |.  F7FD       idiv ebp             //8545C8 除0A=D53C7+2
00454B66  |.  BD 10270000 mov    ebp, 2710    //固定值2710
00454B6B  |.  894424 10    mov    dword ptr [esp+10], eax
00454B6F  |.  8BC6       mov    eax, esi    //EAX=8545C8
00454B71  |.  99          cdq
00454B72  |.  F7FB       idiv ebx       //8545C8 除3E8=221E+98
00454B74  |.  8B5C24 44    mov    ebx, dword ptr [esp+44]
00454B78  |.  894424 24    mov    dword ptr [esp+24], eax
00454B7C  |.  8BC6       mov    eax, esi    //EAX=8545C8
00454B7E  |.  99          cdq
00454B7F  |.  F7FD       idiv ebp       //8545C8 除2710=369+1038
00454B81  |.  BD 64000000 mov    ebp, 64
00454B86  |.  894424 14    mov    dword ptr [esp+14], eax
00454B8A  |.  8BC3       mov    eax, ebx    //EAX=190
00454B8C  |.  99          cdq
00454B8D  |.  F7FD       idiv ebp          //190 除 64=4
00454B8F  |.  894424 1C    mov    dword ptr [esp+1C], eax
00454B93  |.  8BC7       mov    eax, edi    //EDI=199
00454B95  |.  99          cdq
00454B96  |.  F7FD       idiv ebp          //199除 64=4+9
00454B98  |.  BD 40420F00 mov    ebp, 0F4240 //固定值F4240
00454B9D  |.  894424 2C    mov    dword ptr [esp+2C], eax
00454BA1  |.  8BC6       mov    eax, esi       //ESI=8545C8
00454BA3  |.  99          cdq
00454BA4  |.  F7FD       idiv ebp       //8545C8 除F4240=8+B33C8
00454BA6  |.  BD 0A000000 mov    ebp, 0A    //固定值A
00454BAB  |.  894424 18    mov    dword ptr [esp+18], eax
00454BAF  |.  8BC3       mov    eax, ebx    //EBX=190
00454BB1  |.  99          cdq
00454BB2  |.  F7FD       idiv ebp          //190除A=28
00454BB4  |.  8BE8       mov    ebp, eax
00454BB6  |.  8B5424 3C    mov    edx, dword ptr [esp+3C]
00454BBA  |.  035424 28    add    edx, dword ptr [esp+28]//1+57=58
00454BBE  |.  03D1       add    edx, ecx             //58+28=80
00454BC0  |.  8D1452       lea    edx, dword ptr [edx+edx*2]//80*3=180
00454BC3  |.  035424 10    add    edx, dword ptr [esp+10]//180+D53C7=D5547
00454BC7  |.  8B4424 24    mov    eax, dword ptr [esp+24]
00454BCB  |.  035424 20    add    edx, dword ptr [esp+20]///D5547+1552D=EAA74
00454BCF  |.  03C7       add    eax, edi             //221E+199=23B7
00454BD1  |.  8D1452       lea    edx, dword ptr [edx+edx*2]//EAA74*3=2BFF5C
00454BD4  |.  2BD0       sub    edx, eax             ///2BFF5C-23B7=2BDBA5
00454BD6  |.  BB 0A000000 mov    ebx, 0A                //固定值0A
00454BDB  |.  8D14C2       lea    edx, dword ptr [edx+eax*8]//2BDBA5+23B7*8=2CF95D
00454BDE  |.  03D6       add    edx, esi             ///2CF95D+8545C8=B23F25
00454BE0  |.  035424 14    add    edx, dword ptr [esp+14]  //B23F25+369=B2428E
00454BE4  |.  035424 1C    add    edx, dword ptr [esp+1C] ///B2428E+4=B24292
00454BE8  |.  035424 2C    add    edx, dword ptr [esp+2C]  //B24292+4=B24296
00454BEC  |.  035424 18    add    edx, dword ptr [esp+18] //B24296+8=B2429E
00454BF0  |.  8D042A       lea    eax, dword ptr [edx+ebp]  //B2429E+28=B242C6
00454BF3  |.  99          cdq
00454BF4  |.  F7FB       idiv ebx                   //B242C6除A=11D37A+2
00454BF6  |.  8D1C92       lea    ebx, dword ptr [edx+edx*4] //余数2*5=A
00454BF9  |.  8D147F       lea    edx, dword ptr [edi+edi*2]  //199*3=4CB
00454BFC  |.  035424 18    add    edx, dword ptr [esp+18]  //4CB+8=4D3
00454C00  |.  8B4424 10    mov    eax, dword ptr [esp+10]  //EAX=D53C7
00454C04  |.  035424 24    add    edx, dword ptr [esp+24]  //4D3+221E=26F1
00454C08  |.  03D1       add    edx, ecx             //26F1+28=2719
00454C0A  |.  8D1452       lea    edx, dword ptr [edx+edx*2]  //2719*3=754B
00454C0D  |.  2B5424 10    sub    edx, dword ptr [esp+10]    //754B-D53C7=FFF32184
00454C11  |.  8D14C2       lea    edx, dword ptr [edx+eax*8]  //FFF32184+D53C7*8=5DBFBC
00454C14  |.  035424 3C    add    edx, dword ptr [esp+3C] //5DBFBC+1=5DBFBD
00454C18  |.  03D6       add    edx, esi                //5DBFBD+8545C8=E30585
00454C1A  |.  035424 14    add    edx, dword ptr [esp+14] //E30585+369=E308EE
00454C1E  |.  035424 20    add    edx, dword ptr [esp+20] //E308EE+1552D=E45E1B
00454C22  |.  035424 28    add    edx, dword ptr [esp+28] //E45E1B+57=E45E72
00454C26  |.  035424 1C    add    edx, dword ptr [esp+1C] //E45E72+4=E45E76
00454C2A  |.  035424 2C    add    edx, dword ptr [esp+2C] //E45E76+4=E45E7A
00454C2E  |.  C74424 30 0A0>mov    dword ptr [esp+30], 0A
00454C36  |.  8D042A       lea    eax, dword ptr [edx+ebp] //E45E7A+28=E45EA2
00454C39  |.  99          cdq
00454C3A  |.  F77C24 30    idiv dword ptr [esp+30]       //E45EA2 除A=16D643+4
00454C3E  |.  8D0449       lea    eax, dword ptr [ecx+ecx*2] //28*3=78
00454C41  |.  8D1C5A       lea    ebx, dword ptr [edx+ebx*2]  //余数4+A*2=18
00454C44  |.  034424 2C    add    eax, dword ptr [esp+2C]    //78+4=7C
00454C48  |.  8B5424 18    mov    edx, dword ptr [esp+18]
00454C4C  |.  8D1C9B       lea    ebx, dword ptr [ebx+ebx*4]  //18*5=78
00454C4F  |.  034424 20    add    eax, dword ptr [esp+20]  //7C+1552D=155A9
00454C53  |.  03C5       add    eax, ebp             //155A9+28=155D1
00454C55  |.  035424 24    add    edx, dword ptr [esp+24]// 8+221E=2226
00454C59  |.  8D0440       lea    eax, dword ptr [eax+eax*2]//155D1*3=40173
00454C5C  |.  2BC2       sub    eax, edx                //40173-2226=3DF4D
00454C5E  |.  8D04D0       lea    eax, dword ptr [eax+edx*8]//3DF4D+2226*8=4F07D
00454C61  |.  C74424 30 0A0>mov    dword ptr [esp+30], 0A
00454C69  |.  034424 3C    add    eax, dword ptr [esp+3C]//4F07D+1=4F07E
00454C6D  |.  03C6       add    eax, esi                //4F07E+8545C8=8A3646
00454C6F  |.  034424 14    add    eax, dword ptr [esp+14] //8A3646+369=8A39AF
00454C73  |.  034424 28    add    eax, dword ptr [esp+28]  //8A39AF+57=8A3A06
00454C77  |.  034424 10    add    eax, dword ptr [esp+10]  //8A3A06+D53C7=978DCD
00454C7B  |.  03EE       add    ebp, esi             //28+8545C8=8545F0
00454C7D  |.  034424 1C    add    eax, dword ptr [esp+1C]//978DCD+4=978DD1
00454C81  |.  03C7       add    eax, edi          //978DD1+199=978F6A
00454C83  |.  99          cdq
00454C84  |.  F77C24 30    idiv dword ptr [esp+30]//978F6A除A=F27F1
00454C88  |.  8D1C5A       lea    ebx, dword ptr [edx+ebx*2]//0+78*2=F0
00454C8B  |.  8D1C9B       lea    ebx, dword ptr [ebx+ebx*4]//F0*5=4B0
00454C8E  |.  8D546D 00    lea    edx, dword ptr [ebp+ebp*2]//8545F0*3=18FD1D0
00454C92  |.  035424 10    add    edx, dword ptr [esp+10]//18FD1D0+D53C7=19D2597
00454C96  |.  8B4424 1C    mov    eax, dword ptr [esp+1C]
00454C9A  |.  035424 14    add    edx, dword ptr [esp+14]//19D2597+369=19D2900
00454C9E  |.  034424 20    add    eax, dword ptr [esp+20]//1552D+4=15531
00454CA2  |.  035424 18    add    edx, dword ptr [esp+18]//19D2900+8=19D2908
00454CA6  |.  03C1       add    eax, ecx             //15531+28=15559
00454CA8  |.  8D1452       lea    edx, dword ptr [edx+edx*2]//19D2908*3=4D77B18
00454CAB  |.  B9 0A000000 mov    ecx, 0A
00454CB0  |.  2BD0       sub    edx, eax                //4D77B18-15559=4D625BF
00454CB2  |.  8D14C2       lea    edx, dword ptr [edx+eax*8]//4D625BF+15559*8=4E0D087
00454CB5  |.  035424 3C    add    edx, dword ptr [esp+3C]//4E0D087+1=4E0D088
00454CB9  |.  035424 24    add    edx, dword ptr [esp+24]//4E0D088+221E=4E0F2A6
00454CBD  |.  035424 28    add    edx, dword ptr [esp+28]//4E0F2A6+57=4E0F2FD
00454CC1  |.  035424 2C    add    edx, dword ptr [esp+2C]//4E0F2FD+4=4E0F301
00454CC5  |.  5D          pop    ebp
00454CC6  |.  8D043A       lea    eax, dword ptr [edx+edi]//4E0F301+199=4E0F49A
00454CC9  |.  5F          pop    edi
00454CCA  |.  99          cdq
00454CCB  |.  F7F9       idiv ecx//4E0F49A除A=7CE542+6
00454CCD  |.  5E          pop    esi
00454CCE  |.  8D045A       lea    eax, dword ptr [edx+ebx*2]//余数6+4B0*2=966
00454CD1  |.  5B          pop    ebx
00454CD2  |.  83C4 24    add    esp, 24
00454CD5  \.  C3          retn

上面是不是觉得我很傻啊

呵呵，那时候不懂加密算法，编程也差。真是一步一步走来的。
_________________________________________________________________________________________________
00454A64  |.  816C24 30 1C4>sub    dword ptr [esp+30], 0B491C //8545C8-固定值B491C=79FCAC
00454A6C  |.  836C24 34 1B  sub    dword ptr [esp+34], 1B //199-固定值1B=17E
00454A71  |.  83C4 10    add    esp, 10
00454A74  |.  395C24 10    cmp    dword ptr [esp+10], ebx
00454A78  |.  7C 3D       jl    short 00454AB7
00454A7A  |.  837C24 10 09  cmp    dword ptr [esp+10], 9
00454A7F  |.  7F 36       jg    short 00454AB7
00454A81  |.  395C24 30    cmp    dword ptr [esp+30], ebx//比较190是否小于0
00454A85  |.  7C 30       jl    short 00454AB7
00454A87  |.  817C24 30 E70>cmp    dword ptr [esp+30], 3E7//比较190是否大于3E7
00454A8F  |.  7F 26       jg    short 00454AB7
00454A91  |.  395C24 20    cmp    dword ptr [esp+20], ebx//比较79FCAC是否小于0
00454A95  |.  7C 20       jl    short 00454AB7
00454A97  |.  817C24 20 405>cmp    dword ptr [esp+20], 895440//79FCAC是否大于895440
00454A9F  |.  7F 16       jg    short 00454AB7
00454AA1  |.  395C24 24    cmp    dword ptr [esp+24], ebx//17E是否小于0
00454AA5  |.  7C 10       jl    short 00454AB7
00454AA7  |.  817C24 24 840>cmp    dword ptr [esp+24], 384///17E是否大于384
00454AAF  |.  7F 06       jg    short 00454AB7
00454AB1  |.  394424 14    cmp    dword ptr [esp+14], eax//966是否等于934(第9，10，12，14位2356的16进制值)
因此假序列号应改为FLW400-12440-67890-54321
00454AB5  |.  74 09       je    short 00454AC0//不等于就over
00454AB7  |>  33C0       xor    eax, eax
00454AB9  |.  5F          pop    edi
00454ABA  |.  5E          pop    esi
00454ABB  |.  5B          pop    ebx
00454ABC  |.  83C4 3C    add    esp, 3C
00454ABF  |.  C3          retn
.......
00454AD6  |.  8B4C24 24    mov    ecx, dword ptr [esp+24] ///ECX=17E
00454ADA  |.  8908       mov    dword ptr [eax], ecx
00454ADC  |>  8B4424 58    mov    eax, dword ptr [esp+58]
00454AE0  |.  85C0       test eax, eax
00454AE2  |.  74 06       je    short 00454AEA
00454AE4  |.  8B4C24 10    mov    ecx, dword ptr [esp+10]
00454AE8  |.  8908       mov    dword ptr [eax], ecx
00454AEA  |>  8B4424 54    mov    eax, dword ptr [esp+54]
00454AEE  |.  85C0       test eax, eax
00454AF0  |.  74 06       je    short 00454AF8
00454AF2  |.  8B4C24 30    mov    ecx, dword ptr [esp+30] //ECX=190
00454AF6  |.  8908       mov    dword ptr [eax], ecx
00454AF8  |>  8B7C24 50    mov    edi, dword ptr [esp+50]
00454AFC  |.  85FF       test edi, edi
00454AFE  |.  74 10       je    short 00454B10
..
返回到00454793
_________________________
00454793  |.  83C4 18    add    esp, 18
00454796  |.  85C0       test eax, eax
00454798  |.  0F84 B3000000 je    00454851
0045479E  |.  8D4424 18    lea    eax, dword ptr [esp+18]
004547A2  |.  8D4C24 14    lea    ecx, dword ptr [esp+14]
004547A6  |.  50          push eax
004547A7  |.  51          push ecx
004547A8  |.  E8 33050000 call 00454CE0
004547AD  |.  83C4 08    add    esp, 8
004547B0  |.  33D2       xor    edx, edx
004547B2  |.  33C0       xor    eax, eax
004547B4  |.  397424 14    cmp    dword ptr [esp+14], esi////ESI=5
004547B8  |.  7E 2F       jle    short 004547E9
004547BA  |.  8B4C24 18    mov    ecx, dword ptr [esp+18]       ;  Flash.0067A0D0
004547BE  |>  8B7C24 1C    /mov    edi, dword ptr [esp+1C]  //EDI=17E
004547C2  |.  3939       |cmp    dword ptr [ecx], edi //比较273,278,27A,275,275是否等于17E
004547C4  |.  74 0C       |je    short 004547D2//不等就over了
004547C6  |.  83C1 14    |add    ecx, 14
004547C9  |.  40          |inc    eax
004547CA  |.  3B4424 14    |cmp    eax, dword ptr [esp+14]//循环5次比较
004547CE  |.^ 7C EE       \jl    short 004547BE
&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&
根据比较的4个值构造出4个对应的第11，18，17位
273+1B=28E，10进制为654，即第11，18，17位为654
275+1B=290，10进制为656，即第11，18，17位为656
278+1B=293，10进制为659，即第11，18，17位为659
27A+1B=295，10进制为661，即第11，18，17位为661
由此兼顾00454AB1处最后的运算结果必须相等的话，
第9，10，12，14位有4组合适的数字，分别是
4668，8480,9113,2222
即安装序列号有4个
FLW400-14666-87845-54321
FLW400-18468-07865-54321
FLW400-19161-37895-54321
FLW400-12262-27816-54321
&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&
004547D0  |.  EB 17       jmp    short 004547E9
004547D2  |>  C1E0 02    shl    eax, 2
004547D5  |.  BA 01000000 mov    edx, 1
004547DA  |.  8D0C80       lea    ecx, dword ptr [eax+eax*4]
004547DD  |.  034C24 18    add    ecx, dword ptr [esp+18]
004547E1  |.  8B41 0C    mov    eax, dword ptr [ecx+C]
004547E4  |.  8B49 10    mov    ecx, dword ptr [ecx+10]
004547E7  |.  EB 08       jmp    short 004547F1
004547E9  |>  8B4424 0C    mov    eax, dword ptr [esp+C]
004547ED  |.  8B4C24 0C    mov    ecx, dword ptr [esp+C]
004547F1  |>  85D2       test edx, edx
004547F3  |.  74 5C       je    short 00454851
004547F5  |.  8D7C24 0C    lea    edi, dword ptr [esp+C]
004547F9  |>  8A10       /mov    dl, byte ptr [eax]
004547FB  |.  3A17       |cmp    dl, byte ptr [edi]
004547FD  |.  75 1A       |jnz    short 00454819
004547FF  |.  0AD2       |or    dl, dl
00454801  |.  74 12       |je    short 00454815
00454803  |.  8A50 01    |mov    dl, byte ptr [eax+1]
00454806  |.  3A57 01    |cmp    dl, byte ptr [edi+1]
00454809  |.  75 0E       |jnz    short 00454819
0045480B  |.  83C0 02    |add    eax, 2
0045480E  |.  83C7 02    |add    edi, 2
00454811  |.  0AD2       |or    dl, dl
00454813  |.^ 75 E4       \jnz    short 004547F9
00454815  |>  33C0       xor    eax, eax
00454817  |.  EB 05       jmp    short 0045481E
00454819  |>  1BC0       sbb    eax, eax
0045481B  |.  83D8 FF    sbb    eax, -1
0045481E  |>  85C0       test eax, eax
00454820  |.  75 2F       jnz    short 00454851
00454822  |.  837C24 34 00  cmp    dword ptr [esp+34], 0
00454827  |.  75 07       jnz    short 00454830
00454829  |.  837C24 20 08  cmp    dword ptr [esp+20], 8
0045482E  |.  74 21       je    short 00454851
00454830  |>  BF F6FFFFFF mov    edi, -0A
00454835  |.  8B4424 24    mov    eax, dword ptr [esp+24]
00454839  |.  99          cdq
0045483A  |.  F7FF       idiv edi
0045483C  |.  8BF8       mov    edi, eax
0045483E  |.  BB F6FFFFFF mov    ebx, -0A
00454843  |.  8BC1       mov    eax, ecx
00454845  |.  99          cdq
00454846  |.  F7FB       idiv ebx
00454848  |.  3BF8       cmp    edi, eax
0045484A  |.  75 05       jnz    short 00454851
0045484C  |.  BE 01000000 mov    esi, 1
00454851  |>  8BC6       mov    eax, esi
00454853  |.  5F          pop    edi
00454854  |.  5E          pop    esi
00454855  |.  5B          pop    ebx
00454856  |.  83C4 20    add    esp, 20
00454859  \.  C3          retn

_________________________________________________
006047BE .  83C4 04    add    esp, 4
006047C1 .  8945 E8    mov    dword ptr [ebp-18], eax
006047C4 .  85C0       test eax, eax
006047C6 .  75 31       jnz    short 006047F9
006047C8 .  8D4D F0    lea    ecx, dword ptr [ebp-10]
006047CB .  E8 733CF6FF call 00568443
006047D0 .  68 7F020000 push 27F
006047D5 .  8D4D F0    lea    ecx, dword ptr [ebp-10]
006047D8 .  C645 FC 03 mov    byte ptr [ebp-4], 3
006047DC .  E8 2444F6FF call 00568C05
006047E1 .  6A 00       push 0
006047E3 .  8B45 F0    mov    eax, dword ptr [ebp-10]
006047E6 .  6A 30       push 30
006047E8 .  50          push eax
006047E9 .  E8 5408F7FF call 00575042
006047EE .  C645 FC 02 mov    byte ptr [ebp-4], 2
006047F2 .  E8 E0000000 call 006048D7
006047F7 .  EB 6E       jmp    short 00604867
006047F9 >  8B45 C8    mov    eax, dword ptr [ebp-38]
006047FC .  8B4D EC    mov    ecx, dword ptr [ebp-14]
006047FF .  50          push eax
00604800 .  68 942E6E00 push 006E2E94                               ;  ASCII "Serial Number"
00604805 .  68 A42E6E00 push 006E2EA4                               ;  ASCII "Registration"
0060480A .  E8 C1FDFFFF call 006045D0
0060480F .  8B45 CC    mov    eax, dword ptr [ebp-34]
00604812 .  8B4D EC    mov    ecx, dword ptr [ebp-14]
00604815 .  50          push eax
00604816 .  68 802E6E00 push 006E2E80                               ;  ASCII "First Name"
0060481B .  68 A42E6E00 push 006E2EA4                               ;  ASCII "Registration"
00604820 .  E8 ABFDFFFF call 006045D0
00604825 .  8B45 D0    mov    eax, dword ptr [ebp-30]
00604828 .  8B4D EC    mov    ecx, dword ptr [ebp-14]
0060482B .  50          push eax
0060482C .  68 742E6E00 push 006E2E74                               ;  ASCII "Last Name"
00604831 .  68 A42E6E00 push 006E2EA4                               ;  ASCII "Registration"
00604836 .  E8 95FDFFFF call 006045D0
0060483B .  8B45 D4    mov    eax, dword ptr [ebp-2C]
0060483E .  8B4D EC    mov    ecx, dword ptr [ebp-14]
00604841 .  50          push eax
00604842 .  68 682E6E00 push 006E2E68                               ;  ASCII "Middle Name"
00604847 .  68 A42E6E00 push 006E2EA4                               ;  ASCII "Registration"
0060484C .  E8 7FFDFFFF call 006045D0
00604851 .  8B45 D8    mov    eax, dword ptr [ebp-28]
00604854 .  8B4D EC    mov    ecx, dword ptr [ebp-14]
00604857 .  50          push eax
00604858 .  68 582E6E00 push 006E2E58                               ;  ASCII "Organization"
0060485D .  68 A42E6E00 push 006E2EA4                               ;  ASCII "Registration"
00604862 .  E8 69FDFFFF call 006045D0
00604867 >  FF85 64FFFFFF inc    dword ptr [ebp-9C]
0060486D .  837D E8 00 cmp    dword ptr [ebp-18], 0
00604871 .^ 0F84 E9FEFFFF je    00604760
00604877 >  C745 F0 00000>mov    dword ptr [ebp-10], 0
0060487E .  C645 FC 01 mov    byte ptr [ebp-4], 1
00604882 .  E8 58000000 call 006048DF
00604887 >  837D E8 00 cmp    dword ptr [ebp-18], 0
0060488B .  0F84 AA000000 je    0060493B
00604891 .  837D F0 00 cmp    dword ptr [ebp-10], 0
00604895 .  0F8C A0000000 jl    0060493B
0060489B .  837D DC 00 cmp    dword ptr [ebp-24], 0
0060489F .  0F84 96000000 je    0060493B
006048A5 .  837D F0 00 cmp    dword ptr [ebp-10], 0
006048A9 .  75 77       jnz    short 00604922
006048AB .  6A 00       push 0
006048AD .  8D8D 08FFFFFF lea    ecx, dword ptr [ebp-F8]
006048B3 .  E8 88C5E5FF call 00460E40
006048B8 .  C645 FC 04 mov    byte ptr [ebp-4], 4
006048BC .  8D8D 08FFFFFF lea    ecx, dword ptr [ebp-F8]
006048C2 .  E8 4946E2FF call 00428F10
006048C7 .  3D E9010000 cmp    eax, 1E9                               ;  Switch (cases 1..1E9)
006048CC .  75 1C       jnz    short 006048EA

归纳起来正确的安装序列号是：
FLW400-14666-87845-54321
FLW400-18468-07865-54321
FLW400-19161-37895-54321
FLW400-12262-27816-54321

Hmily · 发表于 2016-6-30 17:00

”【使用工具】: TRW2000等“不是OD？

另外文章中的代码段最好用代码框属性添加一下，这样看起来会比较舒服。

3yu3 · 发表于 2016-6-30 10:28

很佩服会用OD分析算法的大牛。。

pendan2001 · 发表于 2016-6-30 10:28

thanks许鹏0101

yoyo9210 · 发表于 2016-6-30 10:40

FLASH 4.0

牛人

bestyyb · 发表于 2016-6-30 10:50

会跟算法就是厉害啊

a5680497 · 发表于 2016-6-30 11:08

完全不懂的路过，感觉楼主好厉害额

Rck红月破夜 · 发表于 2016-6-30 11:12

为何不用IDA。。。

pendan2001 · 发表于 2016-6-30 11:13

很多年前还不会IDA,呵呵

zhoufeicd · 发表于 2016-6-30 11:20

6666666666666666666

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[原创] 某软件安装序列号算法分析之二

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