注册 喜悦加密器 v1.0 [真是简单!] (2千字)
注册 喜悦加密器 v1.0by Fpc[CCG]
tools:softice
d/l:csdn download
它的注册算法设计的太糟了。
00446168 8D9528FEFFFF lea edx, [ebp+$FFFFFE28]
* Reference to control TForm3.Edit1 : TEdit
|
0044616E 8B83E4020000 mov eax, [ebx+$02E4]
|
00446174 E8D3E0FDFF call 0042424C <- 读取名字
00446179 8B8528FEFFFF mov eax, [ebp+$FFFFFE28]
0044617F 0FB64438FF movzx eax, byte ptr [eax+edi-$01] <- 顺序取字符
00446184 0145FC add [ebp-$04], eax <- 累加
00446187 47 inc edi
00446188 4E dec esi
00446189 75DD jnz 00446168
0044618B 8D9524FEFFFF lea edx, [ebp+$FFFFFE24]
* Reference to control TForm3.Edit2 : TEdit
|
00446191 8B83E8020000 mov eax, [ebx+$02E8]
|
00446197 E8B0E0FDFF call 0042424C <- 读取注册码
0044619C 8B8524FEFFFF mov eax, [ebp+$FFFFFE24]
|
004461A2 E88D1DFCFF call 00407F34 <- string to int
004461A7 8B55FC mov edx, [ebp-$04] <- 累加和到edx
004461AA 81F240E20100 xor edx, $0001E240 <- 异或
004461B0 3BC2 cmp eax, edx <- 比较
004461B2 7507 jnz 004461BB <- 不正确到下面仍有机会
004461B4 C6055098440001 mov byte ptr [$449850], $01
004461BB 8D9520FEFFFF lea edx, [ebp+$FFFFFE20]
* Reference to control TForm3.Edit2 : TEdit
|
004461C1 8B83E8020000 mov eax, [ebx+$02E8]
|
004461C7 E880E0FDFF call 0042424C
004461CC 8B8520FEFFFF mov eax, [ebp+$FFFFFE20]
* Possible String Reference to: '5764804' <- 作者留的万能注册码。
|
004461D2 BAE0624400 mov edx, $004462E0
|
004461D7 E8B8DAFBFF call 00403C94
004461DC 7507 jnz 004461E5
004461DE C6055098440001 mov byte ptr [$449850], $01
004461E5 803D5098440000 cmp byte ptr [$449850], $00
004461EC 751A jnz 00446208
004461EE 33D2 xor edx, edx
需要在以后的版本中加强。
整理一下：
Name:Fpc[CCG]
Code:123102
