老文章档案 · 2003 年

GSview V4.12 for Windows注册算法分析

赢政天下 [WINZHENG.COM] · 网络学院 · 2003-06-25 · 作者：DiKeN 人气： · 出处：嬴政天下整理收藏）

===================Open Cracking Group========================

=

= GSview V4.12 for Windows注册算法分析

=

= DiKeN/OCG

= http://www.newclw.com/lllufh/cgi-bin/leoboard.cgi

=

===================Open Cracking Group========================

:00436A51 6A00 push 00000000

:00436A53 6A00 push 00000000

:00436A55 68EB080000 push 000008EB

:00436A5A 8B4508 mov eax, dword ptr [ebp+08]

:00436A5D 50 push eax

* Reference To: USER32.GetDlgItemInt, Ord:00F4h

|

:00436A5E FF15040C4A00 Call dword ptr [004A0C04]

:00436A64 8985FCFEFFFF mov dword ptr [ebp+FFFFFEFC], eax<=========获取第一项SN1

:00436A6A 6A00 push 00000000

:00436A6C 6A00 push 00000000

:00436A6E 68EC080000 push 000008EC

:00436A73 8B4D08 mov ecx, dword ptr [ebp+08]

:00436A76 51 push ecx

* Reference To: USER32.GetDlgItemInt, Ord:00F4h

|

:00436A77 FF15040C4A00 Call dword ptr [004A0C04]

:00436A7D 8985F8FEFFFF mov dword ptr [ebp+FFFFFEF8], eax<=========获取第二项SN2

:00436A83 6800010000 push 00000100

:00436A88 8D9500FFFFFF lea edx, dword ptr [ebp+FFFFFF00]<=========用户名地址Name

:00436A8E 52 push edx

:00436A8F 68EA080000 push 000008EA

:00436A94 8B4508 mov eax, dword ptr [ebp+08]

:00436A97 50 push eax

* Reference To: USER32.GetDlgItemTextA, Ord:00F5h

|

:00436A98 FF15A80C4A00 Call dword ptr [004A0CA8]<=================获取用户名

:00436A9E 83BDFCFEFFFF00 cmp dword ptr [ebp+FFFFFEFC], 00000000

:00436AA5 7475 je 00436B1C<===========================SN1不能为0

:00436AA7 8B8DFCFEFFFF mov ecx, dword ptr [ebp+FFFFFEFC]

:00436AAD 51 push ecx

:00436AAE E852A5FCFF call 00401005

=========================================================================================

===>:00401005 E9F8520300 jmp 00436302

=======>

=======>function getSN2(SN1):integer;

=======>var

=======> x4,x8,x10,x14,index:integer;//xc=index

=======>

:00436302 55 push ebp

:00436303 8BEC mov ebp, esp

:00436305 83EC14 sub esp, 00000014

:00436308 C745FC08840000 mov [ebp-04], 00008408

:0043630F 8B4508 mov eax, dword ptr [ebp+08]======>SN1

:00436312 8945F8 mov dword ptr [ebp-08], eax==>x8

:00436315 C745EC00000000 mov [ebp-14], 00000000==>x14

:0043631C C745F400000000 mov [ebp-0C], 00000000==>index//xc

:00436323 EB09 jmp 0043632E

* Referenced by a (U)nconditional or (C)onditional Jump at Address:

|:00436367(U)

|

:00436325 8B4DF4 mov ecx, dword ptr [ebp-0C]

:00436328 83C101 add ecx, 00000001

:0043632B 894DF4 mov dword ptr [ebp-0C], ecx<=========循环变量+1

* Referenced by a (U)nconditional or (C)onditional Jump at Address:

|:00436323(U)

|

:0043632E 837DF420 cmp dword ptr [ebp-0C], 00000020<=========循环变量

:00436332 7335 jnb 00436369

=========================================================================================

x4:=$00008408;x8:=SN1;

x14:=0;

for index:=0 to $19 do

begin

x10:=x14 and 1;

x14:=(x14 shr 1) + ((x8 and 1) shl $F);

if (x10=1) then

begin

x14:=x14 xor x4;

end;

x8:=x8 shr 1;

end

return x14;

=========================================================================================

:00436334 8B55EC mov edx, dword ptr [ebp-14]

:00436337 83E201 and edx, 00000001

:0043633A 8955F0 mov dword ptr [ebp-10], edx

:0043633D 8B45EC mov eax, dword ptr [ebp-14]

:00436340 D1E8 shr eax, 1

:00436342 8B4DF8 mov ecx, dword ptr [ebp-08]

:00436345 83E101 and ecx, 00000001

:00436348 C1E10F shl ecx, 0F

:0043634B 03C1 add eax, ecx

:0043634D 8945EC mov dword ptr [ebp-14], eax

:00436350 837DF001 cmp dword ptr [ebp-10], 00000001

:00436354 7509 jne 0043635F

:00436356 8B55EC mov edx, dword ptr [ebp-14]

:00436359 3355FC xor edx, dword ptr [ebp-04]

:0043635C 8955EC mov dword ptr [ebp-14], edx

* Referenced by a (U)nconditional or (C)onditional Jump at Address:

|:00436354(C)

|

:0043635F 8B45F8 mov eax, dword ptr [ebp-08]

:00436362 D1E8 shr eax, 1

:00436364 8945F8 mov dword ptr [ebp-08], eax

:00436367 EBBC jmp 00436325

* Referenced by a (U)nconditional or (C)onditional Jump at Address:

|:00436332(C)

|

:00436369 8B45EC mov eax, dword ptr [ebp-14]

:0043636C 8BE5 mov esp, ebp

:0043636E 5D pop ebp

:0043636F C3 ret

=========================================================================================

:00436AB3 83C404 add esp, 00000004

:00436AB6 3985F8FEFFFF cmp dword ptr [ebp+FFFFFEF8], eax

:00436ABC 755E jne 00436B1C<====================计算结果必须和SN2相等

:00436ABE 8D9500FFFFFF lea edx, dword ptr [ebp+FFFFFF00]

:00436AC4 52 push edx

* Reference To: KERNEL32.lstrlenA, Ord:02A1h

|

:00436AC5 FF15F40A4A00 Call dword ptr [004A0AF4]

:00436ACB 85C0 test eax, eax

:00436ACD 7E4D jle 00436B1C=======>必须填写用户名

:00436ACF 68FF000000 push 000000FF

:00436AD4 8D8500FFFFFF lea eax, dword ptr [ebp+FFFFFF00]

:00436ADA 50 push eax

:00436ADB 6840604800 push 00486040

:00436AE0 E89B140200 call 00457F80

:00436AE5 83C40C add esp, 0000000C

:00436AE8 8B8DFCFEFFFF mov ecx, dword ptr [ebp+FFFFFEFC]

:00436AEE 890DF05F4800 mov dword ptr [00485FF0], ecx

:00436AF4 6840604800 push 00486040

:00436AF9 8B95F8FEFFFF mov edx, dword ptr [ebp+FFFFFEF8]

:00436AFF 52 push edx

:00436B00 A1F05F4800 mov eax, dword ptr [00485FF0]

:00436B05 50 push eax

:00436B06 E887A9FCFF call 00401492

:00436B0B 83C40C add esp, 0000000C

:00436B0E 6A01 push 00000001

:00436B10 8B4D08 mov ecx, dword ptr [ebp+08]

:00436B13 51 push ecx

* Reference To: USER32.EndDialog, Ord:00B4h

|

:00436B14 FF15900C4A00 Call dword ptr [004A0C90]

:00436B1A EB31 jmp 00436B4D

* Referenced by a (U)nconditional or (C)onditional Jump at Addresses:

|:00436AA5(C), :00436ABC(C), :00436ACD(C)

|

:00436B1C 68FF000000 push 000000FF

:00436B21 8D95F8FDFFFF lea edx, dword ptr [ebp+FFFFFDF8]

:00436B27 52 push edx

* Possible Reference to String Resource ID=00864: "Invalid Registration Name or Number"

|

:00436B28 6860030000 push 00000360

:00436B2D E873AFFCFF call 00401AA5

:00436B32 83C40C add esp, 0000000C

:00436B35 6A30 push 00000030

* Possible StringData Ref from Data Obj ->"GSview"

|

:00436B37 68304A4700 push 00474A30

:00436B3C 8D85F8FDFFFF lea eax, dword ptr [ebp+FFFFFDF8]

:00436B42 50 push eax

:00436B43 8B4D08 mov ecx, dword ptr [ebp+08]

:00436B46 51 push ecx

==================================================================

公布一个Code:888888888-63330

keygen已经完成

keygen算法上面也写出,keygen公布在OCG的论坛

==================================================================

===================Open Cracking Group========================

=

= GSview V4.12 for Windows注册算法分析

=

= DiKeN/OCG

= http://www.newclw.com/lllufh/cgi-bin/leoboard.cgi

=

===================Open Cracking Group======================== （出处：嬴政天下整理收藏）

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