天网防火墙个人版破解分析

飘之叶 · 发表于 2008-7-6 19:01:12

【破解作者】飘之叶
【作者邮箱】 [email protected]
【作者主页】 http://hi.baidu.com/piaozhiye
【使用工具】 OD PIED
【破解平台】 Win9x/NT/2000/XP
【软件名称】天网防火墙个人版
【破解声明】我是一只小菜鸟，偶得一点心得，愿与大家分享：）
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【破解内容】

PEID查壳 Borland C++ 1999

。
运行程序，若果没有注册得话，会弹出"注册信息无法确认，请注册天网防火墙"得注册对话框。
方法： F12暂停。
OD载入.
F9运行，弹出对话框，此时F12再选K看到：
调用堆栈
地址    堆栈    程序过程 / 参数                      调用来自

结构
0012FA80 77D50617 ? USER32.MessageBoxTimeoutA          USER32.77D50612

0012FA7C
0012FAA0 77D505CF ? USER32.MessageBoxExA             USER32.77D505CA

0012FA9C
0012FAA4 00000000    hOwner = NULL
0012FAA8 014C66A4    Text = "注册信息无法确认，请注册天
0012FAAC 00594145    Title = "天网防火墙个人版"
0012FAB0 00001024    Style = MB_YESNO|MB_ICONQUESTION|M
0012FAB4 00000000    LanguageID = 0 (LANG_NEUTRAL)
0012FABC 00408440 ? <JMP.&USER32.MessageBoxA>          PFW1.0040843B

0012FAB8
0012FAC0 00000000    hOwner = NULL
0012FAC4 014C66A4    Text = "注册信息无法确认，请注册天
0012FAC8 00594145    Title = "天网防火墙个人版"
0012FACC 00001024    Style = MB_YESNO|MB_ICONQUESTION|M
0012FC40 00403BEF PFW1.004082B4                      PFW1.00403BEA

0012FC3C
0012FCAC 0040254F PFW1.00403814                      PFW1.0040254A

0012FCA8
0012FE70 004E628F 包含 PFW1.0040254F                   PFW1.004E6289

0012FE6C
0012FE94 004E5F8B 包含 PFW1.004E628F                   PFW1.004E5F85

0012FE90

跟进：
<JMP.&USER32.MessageBoxA>
调用来自=PFW1.0040843B
结构=0012FAB8
--------------------------------
来到：
0040842B /74 05          JE SHORT PFW1.00408432
0040842D |8B4D EC       MOV ECX,DWORD PTR SS:[EBP-14]
00408430 |EB 06          JMP SHORT PFW1.00408438
00408432 \8D8F F2020000 LEA ECX,DWORD PTR DS:[EDI+2F2]
00408438 51             PUSH ECX
00408439 6A 00          PUSH 0
0040843B E8 D8A71800    CALL <JMP.&USER32.MessageBoxA>          ; 请注册
00408440 83F8 06       CMP EAX,6
00408443 BA 02000000    MOV EDX,2
00408448 0F94C0       SETE AL
0040844B 83E0 01       AND EAX,1

段首下断点：

004082B4 $  55          PUSH EBP
004082B5 .  8BEC       MOV EBP,ESP
004082B7 .  81C4 A0FEFFFF ADD ESP,-160
004082BD .  53          PUSH EBX
004082BE .  56          PUSH ESI
004082BF .  57          PUSH EDI
004082C0 .  8BF0       MOV ESI,EAX
004082C2 .  BF 643E5900 MOV EDI,PFW1.00593E64
004082C7 .  B8 EC615900 MOV EAX,PFW1.005961EC
004082CC .  E8 C7201300 CALL PFW1.0053A398
004082D1 .  66:C745 C8 14>MOV WORD PTR SS:[EBP-38],14
004082D7 .  33D2       XOR EDX,EDX
004082D9 .  A1 B0875B00 MOV EAX,DWORD PTR DS:[5B87B0]
004082DE .  8955 F8    MOV DWORD PTR SS:[EBP-8],EDX
004082E1 .  8D55 F8    LEA EDX,DWORD PTR SS:[EBP-8]
004082E4 .  FF45 D4    INC DWORD PTR SS:[EBP-2C]
004082E7 .  8B00       MOV EAX,DWORD PTR DS:[EAX]
004082E9 .  E8 EE550E00 CALL PFW1.004ED8DC
004082EE .  8D45 F8    LEA EAX,DWORD PTR SS:[EBP-8]
004082F1 .  8B00       MOV EAX,DWORD PTR DS:[EAX]             ;  读取程序
004082F3 .  33D2       XOR EDX,EDX
004082F5 .  8955 F4    MOV DWORD PTR SS:[EBP-C],EDX
004082F8 .  8D55 F4    LEA EDX,DWORD PTR SS:[EBP-C]
004082FB .  FF45 D4    INC DWORD PTR SS:[EBP-2C]
004082FE .  E8 315A1200 CALL PFW1.0052DD34
00408303 .  8D45 F4    LEA EAX,DWORD PTR SS:[EBP-C]
00408306 .  50          PUSH EAX
00408307 .  8D97 D5020000 LEA EDX,DWORD PTR DS:[EDI+2D5]          ;  pfw.dat这里应该是注

册信息保存的地方
0040830D .  8D45 F0    LEA EAX,DWORD PTR SS:[EBP-10]
00408310 .  E8 530C1500 CALL PFW1.00558F68
00408315 .  FF45 D4    INC DWORD PTR SS:[EBP-2C]
00408318 .  33C0       XOR EAX,EAX
0040831A .  8945 FC    MOV DWORD PTR SS:[EBP-4],EAX
0040831D .  8D55 F0    LEA EDX,DWORD PTR SS:[EBP-10]
00408320 .  FF45 D4    INC DWORD PTR SS:[EBP-2C]
00408323 .  8D4D FC    LEA ECX,DWORD PTR SS:[EBP-4]
00408326 .  58          POP EAX
00408327 .  E8 380E1500 CALL PFW1.00559164
0040832C .  FF4D D4    DEC DWORD PTR SS:[EBP-2C]
0040832F .  8D45 F0    LEA EAX,DWORD PTR SS:[EBP-10]
00408332 .  BA 02000000 MOV EDX,2
00408337 .  E8 D00D1500 CALL PFW1.0055910C
0040833C .  FF4D D4    DEC DWORD PTR SS:[EBP-2C]
0040833F .  8D45 F4    LEA EAX,DWORD PTR SS:[EBP-C]
00408342 .  BA 02000000 MOV EDX,2
00408347 .  E8 C00D1500 CALL PFW1.0055910C
0040834C .  FF4D D4    DEC DWORD PTR SS:[EBP-2C]
0040834F .  8D45 F8    LEA EAX,DWORD PTR SS:[EBP-8]
00408352 .  BA 02000000 MOV EDX,2
00408357 .  E8 B00D1500 CALL PFW1.0055910C
0040835C .  66:C745 C8 08>MOV WORD PTR SS:[EBP-38],8
00408362 .  6A 14       PUSH 14                               ; /Arg3 = 00000014
00408364 .  6A 30       PUSH 30                               ; |Arg2 = 00000030
00408366 .  8D8D A0FEFFFF LEA ECX,DWORD PTR SS:[EBP-160]          ; |
0040836C .  51          PUSH ECX                               ; |Arg1
0040836D .  E8 721C1300 CALL PFW1.00539FE4                      ; \PFW1.00539FE4
00408372 .  83C4 0C    ADD ESP,0C
00408375 .  8D87 DD020000 LEA EAX,DWORD PTR DS:[EDI+2DD]          ;  000000000000000000

，注册信息为空
0040837B .  C645 B7 00 MOV BYTE PTR SS:[EBP-49],0
0040837F .  50          PUSH EAX
00408380 .  837D FC 00 CMP DWORD PTR SS:[EBP-4],0             ;  pfw.dat
00408384 .  74 05       JE SHORT PFW1.0040838B
00408386 .  8B55 FC    MOV EDX,DWORD PTR SS:[EBP-4]
00408389 .  EB 06       JMP SHORT PFW1.00408391
0040838B >  8D97 E0020000 LEA EDX,DWORD PTR DS:[EDI+2E0]
00408391 >  52          PUSH EDX                               ; |Arg1
00408392 .  E8 513D1300 CALL PFW1.0053C0E8                      ; \PFW1.0053C0E8
00408397 .  83C4 08    ADD ESP,8
0040839A .  8BD8       MOV EBX,EAX
0040839C .  85DB       TEST EBX,EBX
0040839E .  74 56       JE SHORT PFW1.004083F6
004083A0 .  6A 00       PUSH 0                                  ; /Arg3 = 00000000
004083A2 .  6A 00       PUSH 0                                  ; |Arg2 = 00000000
004083A4 .  53          PUSH EBX                               ; |Arg1
004083A5 .  E8 86401300 CALL PFW1.0053C430                      ; \PFW1.0053C430
004083AA .  83C4 0C    ADD ESP,0C
004083AD .  53          PUSH EBX                               ; /Arg4
004083AE .  6A 01       PUSH 1                                  ; |Arg3 = 00000001
004083B0 .  68 00010000 PUSH 100                               ; |Arg2 = 00000100
004083B5 .  8D85 B4FEFFFF LEA EAX,DWORD PTR SS:[EBP-14C]          ; |
004083BB .  50          PUSH EAX                               ; |Arg1
004083BC .  E8 CF3F1300 CALL PFW1.0053C390                      ; \PFW1.0053C390
004083C1 .  83C4 10    ADD ESP,10
004083C4 .  48          DEC EAX
004083C5 .  75 28       JNZ SHORT PFW1.004083EF
004083C7 .  81C6 FC030000 ADD ESI,3FC
004083CD .  56          PUSH ESI                               ; /Arg3
004083CE .  8D85 A0FEFFFF LEA EAX,DWORD PTR SS:[EBP-160]          ; |
004083D4 .  50          PUSH EAX                               ; |Arg2
004083D5 .  8D95 B4FEFFFF LEA EDX,DWORD PTR SS:[EBP-14C]          ; |
004083DB .  52          PUSH EDX                               ; |Arg1
004083DC .  E8 4B3E0300 CALL PFW1.0043C22C                      ; \PFW1.0043C22C
004083E1 .  83C4 0C    ADD ESP,0C
004083E4 .  85C0       TEST EAX,EAX
004083E6 .  0F94C1       SETE CL
004083E9 .  83E1 01    AND ECX,1
004083EC .  884D B7    MOV BYTE PTR SS:[EBP-49],CL
004083EF >  53          PUSH EBX
004083F0 .  E8 4B381300 CALL PFW1.0053BC40
004083F5 .  59          POP ECX
004083F6 >  807D B7 00 CMP BYTE PTR SS:[EBP-49],0             ;  注册信息是否为空
004083FA    0F85 5E010000 JNZ PFW1.0040855E                      ;  强制跳走,就跳过了下

面的注册
00408400 .  8D87 E1020000 LEA EAX,DWORD PTR DS:[EDI+2E1]
00408406 .  68 24100000 PUSH 1024
0040840B .  50          PUSH EAX
0040840C .  33D2       XOR EDX,EDX
0040840E .  66:C745 C8 20>MOV WORD PTR SS:[EBP-38],20
00408414 .  8955 EC    MOV DWORD PTR SS:[EBP-14],EDX
00408417 .  8D55 EC    LEA EDX,DWORD PTR SS:[EBP-14]
0040841A .  FF45 D4    INC DWORD PTR SS:[EBP-2C]
0040841D .  B8 5AC30000 MOV EAX,0C35A
00408422 .  E8 850E1500 CALL PFW1.005592AC
00408427 .  837D EC 00 CMP DWORD PTR SS:[EBP-14],0
0040842B .  74 05       JE SHORT PFW1.00408432
0040842D .  8B4D EC    MOV ECX,DWORD PTR SS:[EBP-14]
00408430 .  EB 06       JMP SHORT PFW1.00408438
00408432 >  8D8F F2020000 LEA ECX,DWORD PTR DS:[EDI+2F2]
00408438 >  51          PUSH ECX                               ; |Text
00408439 .  6A 00       PUSH 0                                  ; |hOwner = NULL
0040843B .  E8 D8A71800 CALL <JMP.&USER32.MessageBoxA>          ; \请注册
00408440 .  83F8 06    CMP EAX,6
00408443 .  BA 02000000 MOV EDX,2
00408448 .  0F94C0       SETE AL
0040844B .  83E0 01    AND EAX,1
0040844E .  50          PUSH EAX                               ; /Arg1
0040844F .  8D45 EC    LEA EAX,DWORD PTR SS:[EBP-14]          ; |
00408452 .  FF4D D4    DEC DWORD PTR SS:[EBP-2C]             ; |
00408455 .  E8 B20C1500 CALL PFW1.0055910C                      ; \PFW1.0055910C
0040845A .  59          POP ECX
0040845B .  84C9       TEST CL,CL
0040845D .  0F84 C9000000 JE PFW1.0040852C
00408463 .  66:C745 C8 38>MOV WORD PTR SS:[EBP-38],38
00408469 .  33C0       XOR EAX,EAX
0040846B .  8B0D B0875B00 MOV ECX,DWORD PTR DS:[5B87B0]          ;  PFW1.005B9348
00408471 .  8945 E4    MOV DWORD PTR SS:[EBP-1C],EAX
00408474 .  8D55 E4    LEA EDX,DWORD PTR SS:[EBP-1C]
00408477 .  FF45 D4    INC DWORD PTR SS:[EBP-2C]
0040847A .  8B01       MOV EAX,DWORD PTR DS:[ECX]
0040847C .  E8 5B540E00 CALL PFW1.004ED8DC
00408481 .  8D45 E4    LEA EAX,DWORD PTR SS:[EBP-1C]
00408484 .  8B00       MOV EAX,DWORD PTR DS:[EAX]
00408486 .  33D2       XOR EDX,EDX
00408488 .  8955 E0    MOV DWORD PTR SS:[EBP-20],EDX
0040848B .  8D55 E0    LEA EDX,DWORD PTR SS:[EBP-20]
0040848E .  FF45 D4    INC DWORD PTR SS:[EBP-2C]
00408491 .  E8 9E581200 CALL PFW1.0052DD34
00408496 .  8D45 E0    LEA EAX,DWORD PTR SS:[EBP-20]
00408499 .  50          PUSH EAX
0040849A .  8D97 F3020000 LEA EDX,DWORD PTR DS:[EDI+2F3]
004084A0 .  8D45 DC    LEA EAX,DWORD PTR SS:[EBP-24]
004084A3 .  E8 C00A1500 CALL PFW1.00558F68
004084A8 .  FF45 D4    INC DWORD PTR SS:[EBP-2C]
004084AB .  33C0       XOR EAX,EAX
004084AD .  8945 E8    MOV DWORD PTR SS:[EBP-18],EAX
004084B0 .  8D55 DC    LEA EDX,DWORD PTR SS:[EBP-24]
004084B3 .  FF45 D4    INC DWORD PTR SS:[EBP-2C]
004084B6 .  8D4D E8    LEA ECX,DWORD PTR SS:[EBP-18]
004084B9 .  58          POP EAX
004084BA .  E8 A50C1500 CALL PFW1.00559164
004084BF .  FF4D D4    DEC DWORD PTR SS:[EBP-2C]
004084C2 .  8D45 DC    LEA EAX,DWORD PTR SS:[EBP-24]
004084C5 .  BA 02000000 MOV EDX,2
004084CA .  E8 3D0C1500 CALL PFW1.0055910C
004084CF .  FF4D D4    DEC DWORD PTR SS:[EBP-2C]
004084D2 .  8D45 E0    LEA EAX,DWORD PTR SS:[EBP-20]
004084D5 .  BA 02000000 MOV EDX,2
004084DA .  E8 2D0C1500 CALL PFW1.0055910C
004084DF .  FF4D D4    DEC DWORD PTR SS:[EBP-2C]
004084E2 .  8D45 E4    LEA EAX,DWORD PTR SS:[EBP-1C]
004084E5 .  BA 02000000 MOV EDX,2
004084EA .  E8 1D0C1500 CALL PFW1.0055910C
004084EF .  66:C745 C8 2C>MOV WORD PTR SS:[EBP-38],2C
004084F5 .  6A 01       PUSH 1
004084F7 .  6A 00       PUSH 0
004084F9 .  6A 00       PUSH 0
004084FB .  837D E8 00 CMP DWORD PTR SS:[EBP-18],0
004084FF .  74 05       JE SHORT PFW1.00408506
00408501 .  8B4D E8    MOV ECX,DWORD PTR SS:[EBP-18]
00408504 .  EB 06       JMP SHORT PFW1.0040850C
00408506 >  8D8F 01030000 LEA ECX,DWORD PTR DS:[EDI+301]
0040850C >  51          PUSH ECX                               ; |FileName
0040850D .  6A 00       PUSH 0                                  ; |Operation = NULL
0040850F .  6A 00       PUSH 0                                  ; |hWnd = NULL
00408511 .  E8 02A41800 CALL <JMP.&SHELL32.ShellExecuteA>       ; \ShellExecuteA
00408516 .  FF4D D4    DEC DWORD PTR SS:[EBP-2C]
00408519 .  8D45 E8    LEA EAX,DWORD PTR SS:[EBP-18]
0040851C .  BA 02000000 MOV EDX,2
00408521 .  E8 E60B1500 CALL PFW1.0055910C
00408526 .  66:C745 C8 08>MOV WORD PTR SS:[EBP-38],8
0040852C >  A1 B0875B00 MOV EAX,DWORD PTR DS:[5B87B0]
00408531 .  8B00       MOV EAX,DWORD PTR DS:[EAX]
00408533 .  E8 904F0E00 CALL PFW1.004ED4C8
00408538 .  66:C745 C8 44>MOV WORD PTR SS:[EBP-38],44
0040853E .  6A 00       PUSH 0                                  ; /Arg1 = 00000000
00408540 .  E8 93851300 CALL PFW1.00540AD8                      ; \PFW1.00540AD8
00408545 .  59          POP ECX
00408546 .  66:C745 C8 08>MOV WORD PTR SS:[EBP-38],8
0040854C .  EB 10       JMP SHORT PFW1.0040855E
0040854E .  E8 09291300 CALL PFW1.0053AE5C
00408553 .  66:C745 C8 4C>MOV WORD PTR SS:[EBP-38],4C
00408559 .  E8 E0A51300 CALL PFW1.00542B3E
0040855E >  8A45 B7    MOV AL,BYTE PTR SS:[EBP-49]
00408561 .  BA 02000000 MOV EDX,2
00408566 .  50          PUSH EAX
00408567 .  8D45 FC    LEA EAX,DWORD PTR SS:[EBP-4]
0040856A .  FF4D D4    DEC DWORD PTR SS:[EBP-2C]
0040856D .  E8 9A0B1500 CALL PFW1.0055910C
00408572 .  58          POP EAX
00408573 .  8B55 B8    MOV EDX,DWORD PTR SS:[EBP-48]
00408576 .  64:8915 00000>MOV DWORD PTR FS:[0],EDX
0040857D .  5F          POP EDI
0040857E .  5E          POP ESI
0040857F .  5B          POP EBX
00408580 .  8BE5       MOV ESP,EBP
00408582 .  5D          POP EBP
00408583 .  C3          RETN

上面返回到这里：

000403BEF  |.  84C0       TEST AL,AL             返回到这里
00403BF1  |.  75 2F       JNZ SHORT PFW1.00403C22                ;  强制跳走，即可破解

，注意看下面的标志位，如果不跳就完蛋了
00403BF3  |.  33C0       XOR EAX,EAX
00403BF5  |.  BA 02000000 MOV EDX,2
00403BFA  |.  50          PUSH EAX
00403BFB  |.  8D45 F8    LEA EAX,DWORD PTR SS:[EBP-8]
00403BFE  |.  FF4F 1C    DEC DWORD PTR DS:[EDI+1C]
00403C01  |.  E8 06551500 CALL PFW1.0055910C
00403C06  |.  FF4F 1C    DEC DWORD PTR DS:[EDI+1C]
00403C09  |.  8D45 FC    LEA EAX,DWORD PTR SS:[EBP-4]
00403C0C  |.  BA 02000000 MOV EDX,2
00403C11  |.  E8 F6541500 CALL PFW1.0055910C
00403C16  |.  58          POP EAX
00403C17  |.  8B17       MOV EDX,DWORD PTR DS:[EDI]
00403C19  |.  64:8915 00000>MOV DWORD PTR FS:[0],EDX
00403C20  |.  EB 54       JMP SHORT PFW1.00403C76
00403C22  |>  B2 01       MOV DL,1
00403C24  |.  8B83 40030000 MOV EAX,DWORD PTR DS:[EBX+340]
00403C2A  |.  E8 752C0100 CALL PFW1.004168A4
00403C2F  |.  B2 01       MOV DL,1
00403C31  |.  8B83 44030000 MOV EAX,DWORD PTR DS:[EBX+344]
00403C37  |.  E8 5CEF0000 CALL PFW1.00412B98
00403C3C  |.  B2 01       MOV DL,1
00403C3E  |.  8B83 44030000 MOV EAX,DWORD PTR DS:[EBX+344]
00403C44  |.  E8 F7EC0000 CALL PFW1.00412940
00403C49  |.  B0 01       MOV AL,1
00403C4B  |.  BA 02000000 MOV EDX,2
00403C50  |.  50          PUSH EAX
00403C51  |.  8D45 F8    LEA EAX,DWORD PTR SS:[EBP-8]
00403C54  |.  FF4F 1C    DEC DWORD PTR DS:[EDI+1C]
00403C57  |.  E8 B0541500 CALL PFW1.0055910C
00403C5C  |.  FF4F 1C    DEC DWORD PTR DS:[EDI+1C]
00403C5F  |.  8D45 FC    LEA EAX,DWORD PTR SS:[EBP-4]
00403C62  |.  BA 02000000 MOV EDX,2
00403C67  |.  E8 A0541500 CALL PFW1.0055910C
00403C6C  |.  58          POP EAX
00403C6D  |.  8B17       MOV EDX,DWORD PTR DS:[EDI]
00403C6F  |.  64:8915 00000>MOV DWORD PTR FS:[0],EDX
00403C76  |>  5F          POP EDI
00403C77  |.  5E          POP ESI
00403C78  |.  5B          POP EBX
00403C79  |.  8BE5       MOV ESP,EBP
00403C7B  |.  5D          POP EBP
00403C7C  \.  C3          RETN

--------------------------------------------------------------------------------
【破解总结】

程序虽然使用加密算法，但是验证方法过于简单。。。
--------------------------------------------------------------------------------
【版权声明】本文纯属技术交流, 转载请注明作者并保持文章的完整, 谢谢!

[ 本帖最后由飘之叶于 2008-7-6 22:16 编辑 ]

crystalsnail · 发表于 2008-7-6 20:48:31

楼主高手啊,保存了/:017

wgz001 · 发表于 2008-7-17 09:10:07

分析这个真是太厉害了佩服

收藏学习

/:good

wesley · 发表于 2008-7-26 16:57:21

这个我N久之前跟过 MS LZ你少写了个升级文件的破解

fengchen · 发表于 2008-7-28 09:28:26

既然没加壳 /:L

导致了破解相当容易

liuyun213 · 发表于 2008-7-28 16:04:35

破的人多的，用的人才多嘛/:001

vrwqq · 发表于 2008-9-1 14:07:42

厉害，想你学习！

井底之蛙 · 发表于 2008-9-1 14:12:24

楼主厉害，收藏了！/:001

tyyabb · 发表于 2008-9-1 15:33:09

是哪个版本的呢？

wunan · 发表于 2008-9-1 18:20:31

/:L
楼主厉害啊。我记得天网还有个升级的验证吧，不知道这么做，升级的那个验证能否绕过

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[原创] 天网防火墙个人版破解分析

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