软件介绍: 《超级FLV视频转换器》是一款功能强大的FLV视频转换工具,它可以帮助您将几乎所有流行的视频格式,如:RM、RMVB、VOB、DAT、VCD、 DVD、VCD、ASF、MOV、QT、MPEG、WMV、 MP4、3GP、DivX、XviD、AVI、FLV、MKV等视频文件转换为FLV/SWF网络视频格式。也可以把FLV视频文件转换成AVI、 VCD、SVCD、DVD等视频格式。
具有转换简单、快速、高画质等特点,还可以支持批量添加文件转换。
1.运行软件试注册一下发现有提示框~~~~
2.peid 查是没有壳的.
2.可以F12暂停法,Alt+k调用堆,调用堆栈。在堆栈中可以看到 调用来自=flv.004BCD1A.双击可以到注册提示。
3.找到段首下断运行软件.断下来了
代码:
004BCBFC $ 55 PUSH EBP 004BCBFD . 8BEC MOV EBP,ESP 004BCBFF . 33C9 XOR ECX,ECX 004BCC01 . 51 PUSH ECX 004BCC02 . 51 PUSH ECX 004BCC03 . 51 PUSH ECX 004BCC04 . 51 PUSH ECX 004BCC05 . 51 PUSH ECX 004BCC06 . 53 PUSH EBX 004BCC07 . 56 PUSH ESI 004BCC08 . 57 PUSH EDI 004BCC09 . 8945 FC MOV DWORD PTR SS:[EBP-4],EAX 004BCC0C . 33C0 XOR EAX,EAX 004BCC0E . 55 PUSH EBP 004BCC0F . 68 4DCD4B00 PUSH flv.004BCD4D 004BCC14 . 64:FF30 PUSH DWORD PTR FS:[EAX] 004BCC17 . 64:8920 MOV DWORD PTR FS:[EAX],ESP 004BCC1A . 8B45 FC MOV EAX,DWORD PTR SS:[EBP-4] 004BCC1D . E8 B2FEFFFF CALL flv.004BCAD4 ; 关键CALL跟进去分析 004BCC22 . 84C0 TEST AL,AL 004BCC24 . 0F84 DB000000 JE flv.004BCD05 ; 关键跳跳向注册提示 004BCC2A . 33C0 XOR EAX,EAX 004BCC2C . 55 PUSH EBP 004BCC2D . 68 E9CC4B00 PUSH flv.004BCCE9 004BCC32 . 64:FF30 PUSH DWORD PTR FS:[EAX] 004BCC35 . 64:8920 MOV DWORD PTR FS:[EAX],ESP 004BCC38 . B2 01 MOV DL,1 004BCC3A . A1 E8B34300 MOV EAX,DWORD PTR DS:[43B3E8] 004BCC3F . E8 A4E8F7FF CALL flv.0043B4E8 004BCC44 . 8BD8 MOV EBX,EAX 004BCC46 . BA 02000080 MOV EDX,80000002 004BCC4B . 8BC3 MOV EAX,EBX 004BCC4D . E8 36E9F7FF CALL flv.0043B588 004BCC52 . B1 01 MOV CL,1 004BCC54 . BA 64CD4B00 MOV EDX,flv.004BCD64 ; ASCII "Software\\mp4soft\\flvconverter" 004BCC59 . 8BC3 MOV EAX,EBX 004BCC5B . E8 8CE9F7FF CALL flv.0043B5EC 004BCC60 . 8D55 F4 LEA EDX,DWORD PTR SS:[EBP-C] 004BCC63 . 8B45 FC MOV EAX,DWORD PTR SS:[EBP-4] 004BCC66 . 8B80 04030000 MOV EAX,DWORD PTR DS:[EAX+304] 004BCC6C . E8 77A4FAFF CALL flv.004670E8 004BCC71 . 8B45 F4 MOV EAX,DWORD PTR SS:[EBP-C] 004BCC74 . 8D55 F8 LEA EDX,DWORD PTR SS:[EBP-8] 004BCC77 . E8 ECBCF4FF CALL flv.00408968 004BCC7C . 8B4D F8 MOV ECX,DWORD PTR SS:[EBP-8] 004BCC7F . BA 8CCD4B00 MOV EDX,flv.004BCD8C ; ASCII "Name" 004BCC84 . 8BC3 MOV EAX,EBX 004BCC86 . E8 FDEAF7FF CALL flv.0043B788 004BCC8B . 8D55 EC LEA EDX,DWORD PTR SS:[EBP-14] 004BCC8E . 8B45 FC MOV EAX,DWORD PTR SS:[EBP-4] 004BCC91 . 8B80 08030000 MOV EAX,DWORD PTR DS:[EAX+308] 004BCC97 . E8 4CA4FAFF CALL flv.004670E8 004BCC9C . 8B45 EC MOV EAX,DWORD PTR SS:[EBP-14] 004BCC9F . 8D55 F0 LEA EDX,DWORD PTR SS:[EBP-10] 004BCCA2 . E8 C1BCF4FF CALL flv.00408968 004BCCA7 . 8B4D F0 MOV ECX,DWORD PTR SS:[EBP-10] 004BCCAA . BA 9CCD4B00 MOV EDX,flv.004BCD9C ; ASCII "Pass" 004BCCAF . 8BC3 MOV EAX,EBX 004BCCB1 . E8 D2EAF7FF CALL flv.0043B788 004BCCB6 . 8BC3 MOV EAX,EBX 004BCCB8 . E8 0368F4FF CALL flv.004034C0 004BCCBD . 6A 40 PUSH 40 004BCCBF . 68 A4CD4B00 PUSH flv.004BCDA4 004BCCC4 . 68 B0CD4B00 PUSH flv.004BCDB0 004BCCC9 . 8B45 FC MOV EAX,DWORD PTR SS:[EBP-4] 004BCCCC . E8 FF0BFBFF CALL flv.0046D8D0 004BCCD1 . 50 PUSH EAX ; |hOwner 004BCCD2 . E8 79A5F4FF CALL <JMP.&user32.MessageBoxA> ; \MessageBoxA 004BCCD7 . 8B45 FC MOV EAX,DWORD PTR SS:[EBP-4] 004BCCDA . E8 8971FCFF CALL flv.00483E68 004BCCDF . 33C0 XOR EAX,EAX 004BCCE1 . 5A POP EDX 004BCCE2 . 59 POP ECX 004BCCE3 . 59 POP ECX 004BCCE4 . 64:8910 MOV DWORD PTR FS:[EAX],EDX 004BCCE7 . EB 36 JMP SHORT flv.004BCD1F 004BCCE9 .^ E9 B26CF4FF JMP flv.004039A0 004BCCEE . 8B45 FC MOV EAX,DWORD PTR SS:[EBP-4] 004BCCF1 . E8 7271FCFF CALL flv.00483E68 004BCCF6 . 8B45 FC MOV EAX,DWORD PTR SS:[EBP-4] 004BCCF9 . E8 12FDFFFF CALL flv.004BCA10 004BCCFE . E8 0570F4FF CALL flv.00403D08 004BCD03 . EB 1A JMP SHORT flv.004BCD1F 004BCD05 > 6A 40 PUSH 40 004BCD07 . 68 30CE4B00 PUSH flv.004BCE30 ; ASCII "Register" 004BCD0C . 68 3CCE4B00 PUSH flv.004BCE3C 004BCD11 . 8B45 FC MOV EAX,DWORD PTR SS:[EBP-4] 004BCD14 . E8 B70BFBFF CALL flv.0046D8D0 004BCD19 . 50 PUSH EAX ; |hOwner 004BCD1A . E8 31A5F4FF CALL <JMP.&user32.MessageBoxA> ; \输入假码注册提示 \****************************************************************************************************************\ 004BCC1D . E8 B2FEFFFF CALL flv.004BCAD4 跟进去可以来到 004BCAD4 /$ 55 PUSH EBP 004BCAD5 |. 8BEC MOV EBP,ESP 004BCAD7 |. B9 04000000 MOV ECX,4 004BCADC |> 6A 00 /PUSH 0 004BCADE |. 6A 00 |PUSH 0 004BCAE0 |. 49 |DEC ECX 004BCAE1 |.^ 75 F9 \JNZ SHORT flv.004BCADC 004BCAE3 |. 51 PUSH ECX 004BCAE4 |. 53 PUSH EBX 004BCAE5 |. 56 PUSH ESI 004BCAE6 |. 8BF0 MOV ESI,EAX 004BCAE8 |. 33C0 XOR EAX,EAX 004BCAEA |. 55 PUSH EBP 004BCAEB |. 68 EBCB4B00 PUSH flv.004BCBEB 004BCAF0 |. 64:FF30 PUSH DWORD PTR FS:[EAX] 004BCAF3 |. 64:8920 MOV DWORD PTR FS:[EAX],ESP 004BCAF6 |. 8D55 F8 LEA EDX,DWORD PTR SS:[EBP-8] 004BCAF9 |. 8B86 08030000 MOV EAX,DWORD PTR DS:[ESI+308] 004BCAFF |. E8 E4A5FAFF CALL flv.004670E8 ; 取假码 004BCB04 |. 8B45 F8 MOV EAX,DWORD PTR SS:[EBP-8] 004BCB07 |. 8D55 FC LEA EDX,DWORD PTR SS:[EBP-4] 004BCB0A |. E8 59BEF4FF CALL flv.00408968 004BCB0F |. 8B45 FC MOV EAX,DWORD PTR SS:[EBP-4] 004BCB12 |. 50 PUSH EAX 004BCB13 |. 8D55 EC LEA EDX,DWORD PTR SS:[EBP-14] 004BCB16 |. 8B86 04030000 MOV EAX,DWORD PTR DS:[ESI+304] 004BCB1C |. E8 C7A5FAFF CALL flv.004670E8 ; 取用户名 004BCB21 |. 8B45 EC MOV EAX,DWORD PTR SS:[EBP-14] 004BCB24 |. 8D55 F0 LEA EDX,DWORD PTR SS:[EBP-10] 004BCB27 |. E8 3CBEF4FF CALL flv.00408968 004BCB2C |. 8B55 F0 MOV EDX,DWORD PTR SS:[EBP-10] 004BCB2F |. 8D4D F4 LEA ECX,DWORD PTR SS:[EBP-C] 004BCB32 |. 8BC6 MOV EAX,ESI 004BCB34 |. E8 E7FCFFFF CALL flv.004BC820 ; 算法CALL跟进 004BCB39 |. 8B55 F4 MOV EDX,DWORD PTR SS:[EBP-C] 004BCB3C |. 58 POP EAX 004BCB3D |. E8 F67BF4FF CALL flv.00404738 004BCB42 |. 75 52 JNZ SHORT flv.004BCB96 004BCB44 |. B3 01 MOV BL,1 004BCB46 |. 8D55 E4 LEA EDX,DWORD PTR SS:[EBP-1C] 004BCB49 |. 8B86 04030000 MOV EAX,DWORD PTR DS:[ESI+304] 004BCB4F |. E8 94A5FAFF CALL flv.004670E8 004BCB54 |. 8B45 E4 MOV EAX,DWORD PTR SS:[EBP-1C] 004BCB57 |. 8D55 E8 LEA EDX,DWORD PTR SS:[EBP-18] 004BCB5A |. E8 09BEF4FF CALL flv.00408968 004BCB5F |. 8B55 E8 MOV EDX,DWORD PTR SS:[EBP-18] 004BCB62 |. 8D86 1C030000 LEA EAX,DWORD PTR DS:[ESI+31C] 004BCB68 |. E8 F777F4FF CALL flv.00404364 004BCB6D |. 8D55 DC LEA EDX,DWORD PTR SS:[EBP-24] 004BCB70 |. 8B86 08030000 MOV EAX,DWORD PTR DS:[ESI+308] 004BCB76 |. E8 6DA5FAFF CALL flv.004670E8 004BCB7B |. 8B45 DC MOV EAX,DWORD PTR SS:[EBP-24] 004BCB7E |. 8D55 E0 LEA EDX,DWORD PTR SS:[EBP-20] 004BCB81 |. E8 E2BDF4FF CALL flv.00408968 004BCB86 |. 8B55 E0 MOV EDX,DWORD PTR SS:[EBP-20] 004BCB89 |. 8D86 20030000 LEA EAX,DWORD PTR DS:[ESI+320] 004BCB8F |. E8 D077F4FF CALL flv.00404364 004BCB94 |. EB 02 JMP SHORT flv.004BCB98 004BCB96 |> 33DB XOR EBX,EBX 004BCB98 |> 33C0 XOR EAX,EAX 004BCB9A |. 5A POP EDX 004BCB9B |. 59 POP ECX 004BCB9C |. 59 POP ECX 004BCB9D |. 64:8910 MOV DWORD PTR FS:[EAX],EDX 004BCBA0 |. 68 F2CB4B00 PUSH flv.004BCBF2 004BCBA5 |> 8D45 DC LEA EAX,DWORD PTR SS:[EBP-24] 004BCBA8 |. E8 6377F4FF CALL flv.00404310 004BCBAD |. 8D45 E0 LEA EAX,DWORD PTR SS:[EBP-20] 004BCBB0 |. E8 5B77F4FF CALL flv.00404310 004BCBB5 |. 8D45 E4 LEA EAX,DWORD PTR SS:[EBP-1C] 004BCBB8 |. E8 5377F4FF CALL flv.00404310 004BCBBD |. 8D45 E8 LEA EAX,DWORD PTR SS:[EBP-18] 004BCBC0 |. E8 4B77F4FF CALL flv.00404310 004BCBC5 |. 8D45 EC LEA EAX,DWORD PTR SS:[EBP-14] 004BCBC8 |. E8 4377F4FF CALL flv.00404310 004BCBCD |. 8D45 F0 LEA EAX,DWORD PTR SS:[EBP-10] 004BCBD0 |. BA 02000000 MOV EDX,2 004BCBD5 |. E8 5A77F4FF CALL flv.00404334 004BCBDA |. 8D45 F8 LEA EAX,DWORD PTR SS:[EBP-8] 004BCBDD |. E8 2E77F4FF CALL flv.00404310 004BCBE2 |. 8D45 FC LEA EAX,DWORD PTR SS:[EBP-4] 004BCBE5 |. E8 2677F4FF CALL flv.00404310 004BCBEA \. C3 RETN 004BCBEB .^ E9 6470F4FF JMP flv.00403C54 004BCBF0 .^ EB B3 JMP SHORT flv.004BCBA5 004BCBF2 . 8BC3 MOV EAX,EBX 004BCBF4 . 5E POP ESI 004BCBF5 . 5B POP EBX 004BCBF6 . 8BE5 MOV ESP,EBP 004BCBF8 . 5D POP EBP \************************************************************************************************\ 004BCB34 |. E8 E7FCFFFF CALL flv.004BC820 ; 算法CALL跟进 go 004BC820 /$ 55 PUSH EBP 004BC821 |. 8BEC MOV EBP,ESP 004BC823 |. 51 PUSH ECX 004BC824 |. B9 04000000 MOV ECX,4 004BC829 |> 6A 00 /PUSH 0 004BC82B |. 6A 00 |PUSH 0 004BC82D |. 49 |DEC ECX 004BC82E |.^ 75 F9 \JNZ SHORT flv.004BC829 004BC830 |. 51 PUSH ECX 004BC831 |. 874D FC XCHG DWORD PTR SS:[EBP-4],ECX 004BC834 |. 53 PUSH EBX 004BC835 |. 56 PUSH ESI 004BC836 |. 57 PUSH EDI 004BC837 |. 8BF9 MOV EDI,ECX 004BC839 |. 8955 FC MOV DWORD PTR SS:[EBP-4],EDX 004BC83C |. 8B45 FC MOV EAX,DWORD PTR SS:[EBP-4] 004BC83F |. E8 987FF4FF CALL flv.004047DC 004BC844 |. 33C0 XOR EAX,EAX 004BC846 |. 55 PUSH EBP 004BC847 |. 68 E1C94B00 PUSH flv.004BC9E1 004BC84C |. 64:FF30 PUSH DWORD PTR FS:[EAX] 004BC84F |. 64:8920 MOV DWORD PTR FS:[EAX],ESP 004BC852 |. 8BC7 MOV EAX,EDI 004BC854 |. E8 B77AF4FF CALL flv.00404310 004BC859 |. 8B45 FC MOV EAX,DWORD PTR SS:[EBP-4] 004BC85C |. E8 8B7DF4FF CALL flv.004045EC 004BC861 |. 8BF0 MOV ESI,EAX 004BC863 |. 85F6 TEST ESI,ESI 004BC865 |. 7E 26 JLE SHORT flv.004BC88D 004BC867 |. BB 01000000 MOV EBX,1 004BC86C |> 8D4D EC /LEA ECX,DWORD PTR SS:[EBP-14] 004BC86F |. 8B45 FC |MOV EAX,DWORD PTR SS:[EBP-4] 004BC872 |. 0FB64418 FF |MOVZX EAX,BYTE PTR DS:[EAX+EBX-1] ; 取出用户名第N位 004BC877 |. 33D2 |XOR EDX,EDX ; EDX清0 004BC879 |. E8 66C4F4FF |CALL flv.00408CE4 ; 把用户名转化为16进制数 004BC87E |. 8B55 EC |MOV EDX,DWORD PTR SS:[EBP-14] 004BC881 |. 8D45 F8 |LEA EAX,DWORD PTR SS:[EBP-8] 004BC884 |. E8 6B7DF4FF |CALL flv.004045F4 004BC889 |. 43 |INC EBX 004BC88A |. 4E |DEC ESI 004BC88B |.^ 75 DF \JNZ SHORT flv.004BC86C 004BC88D |> 8B45 F8 MOV EAX,DWORD PTR SS:[EBP-8] 004BC890 |. E8 577DF4FF CALL flv.004045EC 004BC895 |. 8BF0 MOV ESI,EAX 004BC897 |. 85F6 TEST ESI,ESI 004BC899 |. 7E 2C JLE SHORT flv.004BC8C7 004BC89B |. BB 01000000 MOV EBX,1 004BC8A0 |> 8B45 F8 /MOV EAX,DWORD PTR SS:[EBP-8] 004BC8A3 |. E8 447DF4FF |CALL flv.004045EC ; 取上次16进制数的位数 004BC8A8 |. 2BC3 |SUB EAX,EBX ; EBX=1 004BC8AA |. 8B55 F8 |MOV EDX,DWORD PTR SS:[EBP-8] ; 把16进制数给EDX 004BC8AD |. 8A1402 |MOV DL,BYTE PTR DS:[EDX+EAX] ; 取16进制数的最后一位 004BC8B0 |. 8D45 E8 |LEA EAX,DWORD PTR SS:[EBP-18] 从004BC8A0到004BC8C5的作用是把16进制数的位数 004BC8B3 |. E8 407CF4FF |CALL flv.004044F8 倒过来如1234变城4321一样 004BC8B8 |. 8B55 E8 |MOV EDX,DWORD PTR SS:[EBP-18] 004BC8BB |. 8D45 F4 |LEA EAX,DWORD PTR SS:[EBP-C] 004BC8BE |. E8 317DF4FF |CALL flv.004045F4 004BC8C3 |. 43 |INC EBX 004BC8C4 |. 4E |DEC ESI 004BC8C5 |.^ 75 D9 \JNZ SHORT flv.004BC8A0 004BC8C7 |> 8D45 F8 LEA EAX,DWORD PTR SS:[EBP-8] 004BC8CA |. 50 PUSH EAX 004BC8CB |. B9 04000000 MOV ECX,4 ; ECX=4 004BC8D0 |. BA 01000000 MOV EDX,1 ; EDX=1 004BC8D5 |. 8B45 F4 MOV EAX,DWORD PTR SS:[EBP-C] ; 把上次算出的16进制数给EAX 004BC8D8 |. E8 6F7FF4FF CALL flv.0040484C ; 算法CALL取出前4位 004BC8DD |. 8D45 F4 LEA EAX,DWORD PTR SS:[EBP-C] 004BC8E0 |. 50 PUSH EAX 004BC8E1 |. B9 04000000 MOV ECX,4 004BC8E6 |. BA 05000000 MOV EDX,5 004BC8EB |. 8B45 F4 MOV EAX,DWORD PTR SS:[EBP-C] 004BC8EE |. E8 597FF4FF CALL flv.0040484C ; 算法CALL取倒过的16进制数的前4-8位 004BC8F3 |. 8B45 F8 MOV EAX,DWORD PTR SS:[EBP-8] 004BC8F6 |. E8 F17CF4FF CALL flv.004045EC 004BC8FB |. 83F8 04 CMP EAX,4 004BC8FE |. 7D 2F JGE SHORT flv.004BC92F 004BC900 |. 8B45 F8 MOV EAX,DWORD PTR SS:[EBP-8] 004BC903 |. E8 E47CF4FF CALL flv.004045EC 004BC908 |. 8BD8 MOV EBX,EAX 004BC90A |. 83FB 03 CMP EBX,3 004BC90D |. 7F 20 JG SHORT flv.004BC92F 004BC90F |> 8D4D E4 /LEA ECX,DWORD PTR SS:[EBP-1C] 004BC912 |. 8BC3 |MOV EAX,EBX 004BC914 |. C1E0 02 |SHL EAX,2 004BC917 |. 33D2 |XOR EDX,EDX 004BC919 |. E8 C6C3F4FF |CALL flv.00408CE4 004BC91E |. 8B55 E4 |MOV EDX,DWORD PTR SS:[EBP-1C] 004BC921 |. 8D45 F8 |LEA EAX,DWORD PTR SS:[EBP-8] 004BC924 |. E8 CB7CF4FF |CALL flv.004045F4 004BC929 |. 43 |INC EBX 004BC92A |. 83FB 04 |CMP EBX,4 004BC92D |.^ 75 E0 \JNZ SHORT flv.004BC90F 004BC92F |> 8B45 F4 MOV EAX,DWORD PTR SS:[EBP-C] 004BC932 |. E8 B57CF4FF CALL flv.004045EC 004BC937 |. 83F8 04 CMP EAX,4 004BC93A |. 7D 2F JGE SHORT flv.004BC96B 004BC93C |. 8B45 F4 MOV EAX,DWORD PTR SS:[EBP-C] 004BC93F |. E8 A87CF4FF CALL flv.004045EC 004BC944 |. 8BD8 MOV EBX,EAX 004BC946 |. 83FB 03 CMP EBX,3 004BC949 |. 7F 20 JG SHORT flv.004BC96B 004BC94B |> 8D4D E0 /LEA ECX,DWORD PTR SS:[EBP-20] 004BC94E |. 8BC3 |MOV EAX,EBX 004BC950 |. C1E0 02 |SHL EAX,2 004BC953 |. 33D2 |XOR EDX,EDX 004BC955 |. E8 8AC3F4FF |CALL flv.00408CE4 004BC95A |. 8B55 E0 |MOV EDX,DWORD PTR SS:[EBP-20] 004BC95D |. 8D45 F4 |LEA EAX,DWORD PTR SS:[EBP-C] 004BC960 |. E8 8F7CF4FF |CALL flv.004045F4 004BC965 |. 43 |INC EBX 004BC966 |. 83FB 04 |CMP EBX,4 004BC969 |.^ 75 E0 \JNZ SHORT flv.004BC94B 004BC96B |> 8D45 F0 LEA EAX,DWORD PTR SS:[EBP-10] 004BC96E |. BA F8C94B00 MOV EDX,flv.004BC9F8 ; ASCII "flv67u986e" 004BC973 |. E8 307AF4FF CALL flv.004043A8 004BC978 |. 8D45 DC LEA EAX,DWORD PTR SS:[EBP-24] 004BC97B |. 50 PUSH EAX 004BC97C |. B9 04000000 MOV ECX,4 ; ECX=4 004BC981 |. BA 01000000 MOV EDX,1 004BC986 |. 8B45 F0 MOV EAX,DWORD PTR SS:[EBP-10] ; 装入字串flv67u986e的有地址 004BC989 |. E8 BE7EF4FF CALL flv.0040484C ; 算法CALL取字串flv67u986e前4位 004BC98E |. FF75 DC PUSH DWORD PTR SS:[EBP-24] 004BC991 |. 68 0CCA4B00 PUSH flv.004BCA0C 004BC996 |. FF75 F8 PUSH DWORD PTR SS:[EBP-8] 004BC999 |. 8D45 D8 LEA EAX,DWORD PTR SS:[EBP-28] 004BC99C |. 50 PUSH EAX 004BC99D |. B9 05000000 MOV ECX,5 ; ECX=5 004BC9A2 |. BA 05000000 MOV EDX,5 ; EDX=5 004BC9A7 |. 8B45 F0 MOV EAX,DWORD PTR SS:[EBP-10] 004BC9AA |. E8 9D7EF4FF CALL flv.0040484C ; 算法CALL取字串flv67u986e前5-9位 004BC9AF |. FF75 D8 PUSH DWORD PTR SS:[EBP-28] ;SS:[EBP-28]中放的是字串flv67u986e前5-9位 004BC9B2 |. 68 0CCA4B00 PUSH flv.004BCA0C 004BC9B7 |. FF75 F4 PUSH DWORD PTR SS:[EBP-C] ;SS:[EBP-C]放的是16进制数倒过来字串的5-8位 004BC9BA |. 8BC7 MOV EAX,EDI 004BC9BC |. BA 06000000 MOV EDX,6 004BC9C1 |. E8 E67CF4FF CALL flv.004046AC 这个是把字串串起来它是flv67u986e前4位-16进制数 004BC9C6 |. 33C0 XOR EAX,EAX 倒过来的前4位-6进制数倒过来字串的5-8位加 004BC9C8 |. 5A POP EDX 字串flv67u986e前5-9位-16进制数倒过来字串的5-8位 004BC9C9 |. 59 POP ECX 这样这组城了软件的注册码了 004BC9CA |. 59 POP ECX 004BC9CB |. 64:8910 MOV DWORD PTR FS:[EAX],EDX 004BC9CE |. 68 E8C94B00 PUSH flv.004BC9E8 004BC9D3 |> 8D45 D8 LEA EAX,DWORD PTR SS:[EBP-28] 004BC9D6 |. BA 0A000000 MOV EDX,0A 004BC9DB |. E8 5479F4FF CALL flv.00404334 004BC9E0 \. C3 RETN 004BC9E1 .^ E9 6E72F4FF JMP flv.00403C54 004BC9E6 .^ EB EB JMP SHORT flv.004BC9D3 004BC9E8 . 5F POP EDI 004BC9E9 . 5E POP ESI 004BC9EA . 5B POP EBX 004BC9EB . 8BE5 MOV ESP,EBP 004BC9ED . 5D POP EBP 004BC9EE . C3 RETN \*****************************************************************************************
1.把我们输入的用户名转化为16进制数存起.
2.在把16进制数倒过来比如以前123456倒过来就是654321了
3.在分别取出固定字串flv67u986e中的前4位(flv6)和5-9位(7u986)
4.在把它们组成注册码flv6-16进制数倒过来的前4位7u986-16进制数倒过来字串的5-8位这就是注册码了.
5.我两个用户名测试了一下得到注册码.
(1).第一个用户名是wangwei 转化为16进制数是77616E67776569倒过就是 96567776E61677得到注册码就flv6-96567u986-7776
(2).第二个用户名是sdrf5678lk转化为16进制数是73647266353637386C6B倒过就是B6C68373635366274637得到注册码就flv6-B6C67u986-8373
6. 用写的一个算法注册机:
代码:
#include <stdio.h> int zifen(char *s,int *u) //------------->关键是zifen()这个函数它的作用是 { //把我们的字符的ACSII值进行置换,如:i的ACSII值是 while (*s != '\0') //69通过zifen()就变为96了 { *u=*s%0X10; u++; *u=*s/0X10; u++; s++; } } // <--------------- int main() { int i=0, j=0, k=0; char a[30]; //用来接收用户名字符串 char b[3]={'0'}; //存放用户名最后4个字符,而且是倒序好的; int f[8]={'0'}; //用来存放zifen()这个函数处理好的字符; printf("请输不小于4位的用户名: \n"); scanf("%s", &a); //接收用户名字符串 while ( a[i]!= '\0') //----------->计算用户名的位数 { i++; j++; } //<--------------- for ( i=(j-1);i>=(j-4 );i--) //-------------->取用户名的最后4位并进行倒序 { b[k] = a[i]; k++; } //<-------------- zifen(b,f); //处理倒序好的字符 printf("你的注册码是:\n"); //------------打印出注册码 printf("flv6-"); for ( i=0; i<4;i++) printf("%X",f[i]); printf("7u986-"); for ( i=4;i<=7;i++) printf("%X",f[i]); printf("\n"); //----------- }