图片转矢量图Vector Magic1.15学习
本帖最后由 WinRose 于 2022-11-19 09:03 编辑最近有图片转矢量图的需求,查找一番,用了下Vector Magic,软件比较简单,刚好可以学习一下打开软件,有激活提示窗,主界面左上角有试用版(不能保存)和其他两个订购激活按钮
祭出x64dbg,看界面都有字符串,用字符串定位如下两个地方
0043B88B | E8 90EDFFFF | CALL <vmde.sub_43A620> | 修改Call段首eax赋值,去除启动激活提示,启用保存功能
0043B890 | 84C0 | TEST AL,AL |
0043B892 | 0F84 9A000000 | JE vmde.43B932 |
0043B898 | 6A 00 | PUSH 0 |
0043B89A | 8D4424 28 | LEA EAX,DWORD PTR SS: |
0043B89E | 68 A8417000 | PUSH vmde.7041A8 | 7041A8:"Thank you for activating!"
0043B8A3 | 50 | PUSH EAX |
0043B8A4 | E8 D7ECFFFF | CALL <vmde.sub_43A580> |
0043B8A9 | 8BF0 | MOV ESI,EAX | esi:EntryPoint
0043B8AB | 6A 00 | PUSH 0 |
0043B8AD | 8D8C24 8C000000 | LEA ECX,DWORD PTR SS: | ecx:EntryPoint
0043B8B4 | 68 90417000 | PUSH vmde.704190 | 704190:"Activation succeeded"
--------------------------------------------------------------------
0043315F | 6A 01 | PUSH 1 |
00433161 | 8BCE | MOV ECX,ESI | ecx:EntryPoint, esi:EntryPoint
00433163 | E8 58E7FFFF | CALL <vmde.sub_4318C0> |
00433168 | E9 D4000000 | JMP vmde.433241 |
0043316D | E8 4E720000 | CALL <vmde.sub_43A3C0> | 修改Call段首eax赋值,去掉界面激活按钮
00433172 | 84C0 | TEST AL,AL |
00433174 | 0F85 E1000000 | JNE vmde.43325B |
0043317A | 6A 00 | PUSH 0 |
0043317C | 8D4C24 1C | LEA ECX,DWORD PTR SS: | ecx:EntryPoint
00433180 | 68 A8347000 | PUSH vmde.7034A8 | 7034A8:"This is a trial version so saving has been disabled.\n\nPurchase a license?"
00433185 | 51 | PUSH ECX | ecx:EntryPoint
00433186 | E8 351DFFFF | CALL <vmde.sub_424EC0> |
0043318B | 8BF8 | MOV EDI,EAX | edi:EntryPoint
0043318D | 6A 00 | PUSH 0 |
0043318F | 8D5424 48 | LEA EDX,DWORD PTR SS: | edx:EntryPoint
00433193 | 68 8C347000 | PUSH vmde.70348C | 70348C:"Purchase An Activation Key?"
……………………
00433225 | 8BF4 | MOV ESI,ESP | esi:EntryPoint
00433227 | 6A FF | PUSH FFFFFFFF |
00433229 | 68 54347000 | PUSH vmde.703454 | 703454:"http://vectormagic.com/transaction/purchase_licenses"
修改前
补丁后
很不错,支持了 竟然用这种工具 不错不错 学习了,不错不错 修改Call段首eax赋值,具体修改成什么值呢,请明示,学习一下 linghu 发表于 2022-12-4 10:04
修改Call段首eax赋值,具体修改成什么值呢,请明示,学习一下
mov eax,1
ret
WinRose 发表于 2022-12-5 20:10
测试了,好用,谢谢,又得到学习了
很好的软件,感谢分享! 感谢分享,不过没看明白 PYG有你更精彩!
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