CuteFTP最新版V4.2.4 在线注册的破解
-
CuteFTP最新版V4.2.4 在线注册的破解
破解者：moonlite[BCG][FCG]
目标： CuteFTP最新版V4.2.4
应用平台：Win9X/ME/WinNT/2K
下载：http://www.globalscape.com/
大小：1694k
软件用途： 当然是最cool的FTP客户端软件了，不用再多说了吧。
工具：TRW1.22，W32dasm, filemon, regmon, Winhex
保护： 每次启动都弹出注册窗，提示上网注册; 30 天试用期；动态CRC校验。
【前言】： xy2000[BCG]老兄推荐的软件，就拿它练练手吧. 我很喜欢这个软件的原因有三：
㈠. 没加壳；㈡. 没有反调试；
㈢. CRC的出错信息中体现了对crack们的尊重：请看
┼————————————————————————————————
CuteFTP consistency check failed. This means that you are probably using a corrupted version. This
may caused by a virus. Please, do a virus scan, reinstall CuteFTP and try to start it again.
——————————————————————————————————┼
它不象有些软件，你一调试，它就说 "Hmm...Debug yourself".
===>好，开始工作吧!◆
★(第一部分)找注册码
1)启动cutftp32.exe,提示在线注册nag窗口弹出。分析它的注册信息一定存放在注册表中，或有keyfile保护。
2)分别启动filemon和regmon分析：
发现以下可疑点→
AUTONAME.DAT, COMMANDS.DAT-------->调用到的文件
QueryValueEx HKLM\Software\GlobalSCAPE Inc.\CuteFTP\Key2 NOTFOUND
QueryValueEx HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\ProductId SUCCESS "80123-026-6304672-53376"
CloseKey HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion SUCCESS
OpenKey HKCR\Rl NOTFOUND ※※※※
OpenKey HKLM\Software\GlobalSCAPE Inc.\CuteFTP SUCCESS hKey: 0xC2A0E050
QueryValueEx HKLM\Software\GlobalSCAPE Inc.\CuteFTP\Key1 NOTFOUND
3)我尝试了建Key1 和 Key2两个键值，没有发现效果。就在HKCR\下建了个Rl\1, 随便输入字符串 "23232323232323".
[HKEY_LOCAL_MACHINE\Software\GlobalSCAPE Inc.\CuteFTP]下建"RegUserName"="moonLite[BCG]"
4)再次运行cutftp32.exe，在线注册窗口弹出。唤出TRW，点击按钮 "Contiue Trial" 并Ctrl+D 激活TRW。程序来到--->
* Reference To: USER32.GetMessageA, Ord:012Ah
|
:004DD7E4 FF1594D75100 Call dword ptr [0051D794]
:004DD7EA 85C0 test eax, eax<-------------------------光标在这！
:004DD7EC 7426 je 004DD814
:004DD7EE 817E346A030000 cmp dword ptr [esi+34], 0000036A
:004DD7F5 741A je 004DD811
:004DD7F7 8B06 mov eax, dword ptr [esi]
:004DD7F9 57 push edi
:004DD7FA 8BCE mov ecx, esi
:004DD7FC FF5058 call [eax+58]
:004DD7FF 85C0 test eax, ea
:004DD801 750E jne 004DD811
:004DD803 57 push edi
开始按F12+F10， 记录下来可疑的跳转：4D8249,43B873.
:0043B849 68F4235500 push 005523F4
:0043B84E 8BCB mov ecx, ebx
:0043B850 E82CB70B00 call 004F6F81
:0043B855 8983DC000000 mov dword ptr [ebx+000000DC], eax
:0043B85B B801000000 mov eax, 00000001
:0043B860 898344060000 mov dword ptr [ebx+00000644], eax
:0043B866 898380060000 mov dword ptr [ebx+00000680], eax
:0043B86C E8FF4F0500 call 00490870------------------------->进入
:0043B871 85C0 test eax, eax-------------------------|这里，让eax=1 可以跳过nag！
:0043B873 753D jne 0043B8B2
:0043B875 33F6 xor esi, esi
:0043B877 8BCB mov ecx, ebx
:0043B879 56 push esi
* Possible StringData Ref from Data Obj ->"TSUninstaller"
|
:0043B87A 68DC465500 push 005546DC
* Possible StringData Ref from Data Obj ->"CtFPRgsraeoe"
|
:0043B87F 68F4235500 push 005523F4
:0043B884 E85B890A00 call 004E41E4
:0043B889 89B380060000 mov dword ptr [ebx+00000680], esi
:0043B88F 6A01 push 00000001
:0043B891 8BCB mov ecx, ebx
:0043B893 89B388060000 mov dword ptr [ebx+00000688], esi
:0043B899 E812130000 call 0043CBB0
:0043B89E 8BCB mov ecx, ebx
:0043B8A0 E87B0A0000 call 0043C320-------------------------|在线注册窗口
:0043B8A5 85C0 test eax, eax
:0043B8A7 751E jne 0043B8C7
:0043B8A9 56 push esi
可见，0043B86C的CALL 有问题，得进去看看！
5)
* Referenced by a CALL at Addresses:
|:004013FA , :004300A8 , :004346DB , :0043B86C , :0044045B
|:004459D9 , :004476A3 , :00457F8F , :0047D15E , :0047D8FE
|:0048B82F , :0048C470 , :00491F79 , :004ACB68
|
:00490870 64A100000000 mov eax, dword ptr fs:[00000000]
* Possible Reference to String Resource ID=00255: "No entry for the current site found. Do you wish to create o"
|
:00490876 6AFF push FFFFFFFF
:00490878 68D34F5100 push 00514FD3
:0049087D 50 push eax
:0049087E B81C180000 mov eax, 0000181C
:00490883 64892500000000 mov dword ptr fs:[00000000], esp
:0049088A E801130300 call 004C1B90
:0049088F 53 push ebx
:00490890 8D8424680C0000 lea eax, dword ptr [esp+00000C68]
:00490897 56 push esi
:00490898 50 push eax
:00490899 E882F9FFFF call 00490220
:0049089E 83C404 add esp, 00000004
:004908A1 85C0 test eax, eax
:004908A3 7517 jne 004908BC
:004908A5 5E pop esi
:004908A6 5B pop ebx
:004908A7 8B8C241C180000 mov ecx, dword ptr [esp+0000181C]
:004908AE 64890D00000000 mov dword ptr fs:[00000000], ecx
:004908B5 81C428180000 add esp, 00001828
:004908BB C3 ret
-->不断按F10，会来到：
:004908E7 83C40C add esp, 0000000C
:004908EA 85C0 test eax, eax
:004908EC 5F pop edi
:004908ED 0F857A020000 jne 00490B6D
:004908F3 8A84249C040000 mov al, byte ptr [esp+0000049C]---------------|从“23232323232323”取一个字符
:004908FA 84C0 test al, al
:004908FC 0F84C1020000 je 00490BC3
:00490902 8D8C249C040000 lea ecx, dword ptr [esp+0000049C]---------------|ecx指向“23232323232323”字符串
:00490909 8D542418 lea edx, dword ptr [esp+18]
:0049090D 51 push ecx
:0049090E 52 push edx
:0049090F C7442420FFFFFF7F mov [esp+20], 7FFFFFFF
:00490917 E824690200 call 004B7240--------------->注意到紧跟的判断，得追进去
:0049091C 83C408 add esp, 00000008
:0049091F 6685C0 test ax, ax---------------|ax不为0，就能成功了！
:00490922 7519 jne 0049093D---------------|不跳转则失败！
:00490924 5E pop esi
:00490925 33C0 xor eax, eax---------------|eax为注册标志
:00490927 5B pop ebx
:00490928 8B8C241C180000 mov ecx, dword ptr [esp+0000181C]
:0049092F 64890D00000000 mov dword ptr fs:[00000000], ecx
:00490936 81C428180000 add esp, 00001828
:0049093C C3 ret
--------------------
* Referenced by a CALL at Addresses:
|:00490917 , :00490BA2 , :004915A6
|
:004B7240 83EC20 sub esp, 00000020--------------------------------------------|
:004B7243 83C9FF or ecx, FFFFFFFF |
:004B7246 33C0 xor eax, eax |
:004B7248 56 push esi |
:004B7249 8B74242C mov esi, dword ptr [esp+2C]/指向从“23232323232323”字符串 |计算字符串长度
:004B724D 57 push edi |
:004B724E 8BFE mov edi, esi |
:004B7250 F2 repnz |
:004B7251 AE scasb |
:004B7252 F7D1 not ecx |
:004B7254 49 dec ecx -----------------------------------------------------|
:004B7255 83F90E cmp ecx, 0000000E--------------------|长度不是14位，就不带玩了！
:004B7258 7573 jne 004B72CD-------------------------|不要在此跳啊！
:004B725A 56 push esi
:004B725B E863E10000 call 004C53C3
............
接着走到
:004B728C C644242800 mov [esp+28], 00
:004B7291 E86A20FEFF call 00499300
:004B7296 8D442438 lea eax, dword ptr [esp+38]-------------------|下 d eax 看看
* Possible Reference to String Resource ID=00014: "Paste Url"
|
:004B729A 6A0E push 0000000E
:004B729C 8D4C242C lea ecx, dword ptr [esp+2C]-------------------|下 d ecx 可以看到精彩部分啊！
============================================================================
0030:0071DAE4 41 32 32 32 32 32 32 32-32 32 32 32 32 32 00 C2 A2222222222222.?
0030:0071DAF4 32 33 32 33 32 33 32 33-32 33 32 33 32 33 00 00 23232323232323..
============================================================================
:004B72A0 50 push eax
:004B72A1 51 push ecx
:004B72A2 E879C90000 call 004C3C20-------------------|关键的比较部分！（不想列出了,否则篇幅太长了）
:004B72A7 83C42C add esp, 0000002C
:004B72AA 85C0 test eax, eax-------------------|eax=0 就对了！eax=1,则失败
:004B72AC 7510 jne 004B72BE--------------------|eax=1,则做失败跳转
:004B72AE 8B54242C mov edx, dword ptr [esp+2C]
:004B72B2 660DFFFF or ax, FFFF
:004B72B6 893A mov dword ptr [edx], edi
:004B72B8 5F pop edi
:004B72B9 5E pop esi
:004B72BA 83C420 add esp, 00000020
:004B72BD C3 ret
▲试着将[HKEY_CLASSES_ROOT\Rl]\1 的键值改为"A2222222222222",重新运行程序--哇! nag 窗口没有了!!但是在about窗口中是
Licensed to: UNVERIFIED - moonLite [BCG], 难道还要上网验证吗？
5)果然，上网后，启动程序后，自动与它的服务器连接并验证，返回 “moonLite[BCG] & A2222222222222” not accepted....真厉害!
——>看来只有爆破了。
〓 待续 〓
标 题:感谢click123！这是我重新写的：CuteFTP最新版V4.2.4 在线注册的破解-下篇 (13千字)
发信人:moonlite
时 间:2001-10-12 11:42:58
详细信息:
〓 CuteFTP最新版V4.2.4 在线注册的破解-下篇〓
★(第二部分)爆破
6) 在HKCR\下再建个Rl\3 (为什么呢，用regmon查查便知), 随便输入字符串 "123456789".在4B72AA下断点，bpx 4B72AA,运行
cutftp32.exe，中断后接着走到：
:00490C29 FF15B4D25100 Call dword ptr [0051D2B4]
:00490C2F 50 push eax
* Reference To: KERNEL32.LockResource, Ord:01D5h
|
:00490C30 FF15B8D25100 Call dword ptr [0051D2B8]
:00490C36 8D8C2484080000 lea ecx, dword ptr [esp+00000884]--------------->ecx指向字符串“123456789”
:00490C3D 50 push eax
:00490C3E 51 push ecx
:00490C3F 8D94245C100000 lea edx, dword ptr [esp+0000105C]
:00490C46 56 push esi
:00490C47 52 push edx
:00490C48 E8C32E0100 call 004A3B10---------------|重要的CALL，进入-->
:00490C4D 83C410 add esp, 00000010
:00490C50 8D4C240C lea ecx, dword ptr [esp+0C]
:00490C54 8BF0 mov esi, eax------------------------------------┐
:00490C56 C784242C180000FFFFFFFF mov dword ptr [esp+0000182C], FFFFFFFF │
:00490C61 E88AB90400 call 004DC5F0 │eax=esi=1 就对了！
:00490C66 8B8C2424180000 mov ecx, dword ptr [esp+00001824] │
:00490C6D 8BC6 mov eax, esi------------------------------------┘
:00490C6F 5E pop esi
:00490C70 5B pop ebx
:00490C71 64890D00000000 mov dword ptr fs:[00000000], ecx
:00490C78 81C428180000 add esp, 00001828
:00490C7E C3 ret
* Referenced by a CALL at Address:
|:00490C48
|
* Possible Reference to String Resource ID=00255: "No entry for the current site found. Do you wish to create o"
|
:004A3B10 6AFF push FFFFFFFF
:004A3B12 682D6A5100 push 00516A2D
:004A3B17 64A100000000 mov eax, dword ptr fs:[00000000]
:004A3B1D 50 push eax
:004A3B1E 64892500000000 mov dword ptr fs:[00000000], esp
:004A3B25 81ECB0000000 sub esp, 000000B0
:004A3B2B 56 push esi
:004A3B2C 57 push edi
:004A3B2D 6A00 push 00000000
:004A3B2F 8D4C240C lea ecx, dword ptr [esp+0C]
:004A3B33 E8982A0100 call 004B65D0
:004A3B38 6A00 push 00000000
...............
* Possible Reference to String Resource ID=00008: "Toolbar changes will take effect after CuteFTP is restarted"
|
:004A3C1A B908000000 mov ecx, 00000008—————————————>置循环次数
:004A3C1F 8D7C2430 lea edi, dword ptr [esp+30]————————>指向一个不变的十六进制串 (值得研究)
:004A3C23 8D742470 lea esi, dword ptr [esp+70]————————>指向的十六进制串与输入字符串 "123456789"相关
:004A3C27 33C0 xor eax, eax
:004A3C29 F3 repz
:004A3C2A A7 cmpsd-------------------|DWORD值循环比较！
:004A3C2B 5F pop edi
:004A3C2C 5E pop esi
:004A3C2D 745E je 004A3C8D-------------------|在此一定得跳呵，这可是最后的机会了--->修改①★
:004A3C2F 8D4C2418 lea ecx, dword ptr [esp+18]
:004A3C33 C68424B800000005 mov byte ptr [esp+000000B8], 05
:004A3C3B E8402A0100 call 004B6680
7) 用Winhex把上面的第一处改为 745E-->EB5E.重新运行程序，CRC 报错 “CuteFTP consistency check failed...”
好！ 打开我们的利器W32dasm, 反汇编cutftp32.exe后，search 文本“check failed", 来到-->
* Possible Reference to Dialog: DialogID_0181
|
:0043BC50 6881010000 push 00000181
:0043BC55 6A00 push 00000000
:0043BC57 6A00 push 00000000
:0043BC59 8B481C mov ecx, dword ptr [eax+1C]
:0043BC5C 51 push ecx
* Reference To: USER32.RedrawWindow, Ord:01F1h
|
:0043BC5D FF1544D65100 Call dword ptr [0051D644]
:0043BC63 C7835006000001000000 mov dword ptr [ebx+00000650], 00000001
:0043BC6D E81E510500 call 00490D90—————————————>进入-------------------------------------->|
:0043BC72 85C0 test eax, eax—————————————>eax≠0，即可跳过CRC错误!! |
:0043BC74 756F jne 0043BCE5 |
:0043BC76 8D55EC lea edx, dword ptr [ebp-14] |
|
* Possible Reference to String Resource ID=00426: "CuteFTP consistency check failed. This means that you are pr" |
| |
:0043BC79 68AA010000 push 000001AA |
:0043BC7E 52 push edx |
:0043BC7F E8CC97FEFF call 00425450 |
:0043BC84 83C408 add esp, 00000008 |
:0043BC87 8B00 mov eax, dword ptr [eax] |
:0043BC89 6A00 push 00000000 |
|
* Possible Reference to String Resource ID=00016: "CuteFTP 4.0" |
| | |
:0043BC8B 6A10 push 00000010 |
:0043BC8D 50 push eax |
:0043BC8E C645FC2A mov [ebp-04], 2A |
:0043BC92 E8ECC70A00 call 004E8483—————————————> CRC 出错的CALL! |
|
---------------------------------------- |
|
* Referenced by a CALL at Addresses: |
|:0043BC6D , :004650FB |
| |
|
* Possible Reference to String Resource ID=00255: "No entry for the current site found. Do you wish to create o" |
: | |
:00490D90 6AFF push FFFFFFFF <------------------------------------------------------------------|
:00490D92 6831505100 push 00515031
:00490D97 64A100000000 mov eax, dword ptr fs:[00000000]
:00490D9D 50 push eax
:00490D9E 64892500000000 mov dword ptr fs:[00000000], esp
:00490DA5 81EC24010000 sub esp, 00000124
:00490DAB 8D4C2408 lea ecx, dword ptr [esp+08]
:00490DAF E863CA0400 call 004DD817
:00490DB4 8D442420 lea eax, dword ptr [esp+20]
* Possible Reference to String Resource ID=00260: "Rename folder"
|
:00490DB8 6804010000 push 00000104
:00490DBD 50 push eax
:00490DBE 6A00 push 00000000
:00490DC0 C784243801000000000000 mov dword ptr [esp+00000138], 00000000
* Reference To: KERNEL32.GetModuleFileNameA, Ord:0124h
|
:00490DCB FF1540D45100 Call dword ptr [0051D440]
:00490DD1 6A00 push 00000000
:00490DD3 8D4C2424 lea ecx, dword ptr [esp+24]
:00490DD7 6A40 push 00000040
:00490DD9 51 push ecx
:00490DDA 8D4C2414 lea ecx, dword ptr [esp+14]
:00490DDE E8E6CB0400 call 004DD9C9
:00490DE3 85C0 test eax, eax
:00490DE5 0F858E000000 jne 00490E79—————————>程序会跳到——->|
:00490DEB 8D542400 lea edx, dword ptr [esp] |
|
------------- |
|
* Referenced by a (U)nconditional or (C)onditional Jump at Address: |
|:00490DE5(C) |
| |
:00490E79 8D442418 lea eax, dword ptr [esp+18]<-----------------|
:00490E7D 8D4C2408 lea ecx, dword ptr [esp+08]
:00490E81 50 push eax
:00490E82 51 push ecx
:00490E83 E858FEFFFF call 00490CE0
:00490E88 83C408 add esp, 00000008
:00490E8B 8D4C2408 lea ecx, dword ptr [esp+08]
:00490E8F E850CD0400 call 004DDBE4
:00490E94 33C0 xor eax, eax
* Referenced by a (U)nconditional or (C)onditional Jump at Address:
|:00490EA2(C)
|
:00490E96 8A4C0418 mov cl, byte ptr [esp+eax+18]
:00490E9A 84C9 test cl, cl------->cl 是验证CRC 出错与否的标志! !!!修改②★★
:00490E9C 7508 jne 00490EA6------------------------------->在这不要跳!
:00490E9E 40 inc eax
:00490E9F 83F808 cmp eax, 00000008-------------------------->循环8次
:00490EA2 7CF2 jl 00490E96
:00490EA4 EBA5 jmp 00490E4B------------------------------->|
|
* Referenced by a (U)nconditional or (C)onditional Jump at Address: |
|:00490E9C(C) |
| |
:00490EA6 8D4C2408 lea ecx, dword ptr [esp+08] |
:00490EAA C784242C010000FFFFFFFF mov dword ptr [esp+0000012C], FFFFFFFF |
:00490EB5 E852CA0400 call 004DD90C |
:00490EBA 8B8C2424010000 mov ecx, dword ptr [esp+00000124] |
:00490EC1 33C0 xor eax, eax |
:00490EC3 64890D00000000 mov dword ptr fs:[00000000], ecx |
:00490ECA 81C430010000 add esp, 00000130 |
:00490ED0 C3 ret |
|
--------------- |
* Referenced by a (U)nconditional or (C)onditional Jump at Address: |
|:00490EA4(U) |
| |
:00490E4B 8D4C2408 lea ecx, dword ptr [esp+08]<----------------|
:00490E4F C784242C010000FFFFFFFF mov dword ptr [esp+0000012C], FFFFFFFF
:00490E5A E8ADCA0400 call 004DD90C
:00490E5F B801000000 mov eax, 00000001---------------------------|这是我们想要的结果!
:00490E64 8B8C2424010000 mov ecx, dword ptr [esp+00000124]
:00490E6B 64890D00000000 mov dword ptr fs:[00000000], ecx
:00490E72 81C430010000 add esp, 00000130
:00490E78 C3 ret---------------------------------------->CRC OK了!返回吧。。。
-------------------
打开Winhex将上面的第二处 84C9 test cl, cl改为 30C9 xor cl,cl!
重新运行程序,CRC OK!
查看about窗口，UNVERIFIED 也不见了！！在线验证OK!
###########
最后整理：
注册文件为(粘贴并保存为reg注册表文件)
┄┄┄┄┄┄┄┄┄┄┄Cut Here┄┄┄┄┄┄┄┄┄┄┄
REGEDIT4
[HKEY_CLASSES_ROOT\Rl]
"1"="A2222222222222"
"3"="123456789"
[HKEY_LOCAL_MACHINE\Software\GlobalSCAPE Inc.\CuteFTP]
"RegUserName"="moonLite[BCG]"
┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄
再打补丁两处：
修改① @offset A3C2D 745E-->EB5E
修改② @offset 90E9A 84C9-->30C9
##########
【后记】：虽然注册+爆破成功了，还有很多地方值得好好研究。例如：regmon看到的Key1是注册码部分，
那么Key2呢？(VERIFY？)。也难怪，这是个在线注册的软件。看一下它的注册帮助就知道了。
愿与朋友们交流！！
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