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在NT系统里,一个进程只允许对本身内存和共享内存进行读写(如果说错了请告诉我)
9 t2 c" Y2 h+ t但经过处理后,我们可以访问安全级别不是很高的进程内存。) ^ p4 ?; l! H+ E8 f
我们在OpenProcess时,如果能取得它的PROCESS_VM_READ、PROCESS_VM_WRITE和PROCESS_VM_OPERATION权限,那就好办了。% I% Y4 h( F% V. q
下面是我编的一个自动扫雷程序的核心代码,它从扫雷程序的内存中读取地雷的分布情况,再通过模拟鼠标点击来扫雷
7 m. l# N9 `0 r) J* }# C k注意,这儿地雷在内存中的分布,是在中文XP下跟踪所得,不知道在其它系统上是不是一样的。/ d& a5 Q. n1 r0 e( h6 U
HWND hwnd;4 r4 W' b8 |4 N& e
HANDLE hProcess = NULL;! l+ L" L% h4 d0 ^( N* r/ K- @$ m
DWORD id;
/ e9 A" _. \0 H1 J, {" a' r- E BYTE tmpValue;
) z! [. k6 S+ V" _ DWORD bytes;1 x" _5 O# O) U) M- x
CPoint point;
/ {/ m2 }# {8 W" Z2 ~ CRect rect;
; w3 q8 W$ ~9 L+ r int intWidth, intHeight, i, j;
; q7 Z3 D+ E6 V //找到扫雷游戏的窗口,如果找不到,就出错。
* h4 `" j$ ?0 A: m1 C. }, J# A hwnd = ::FindWindow(NULL, "扫雷");
( C' M# X6 f% v# E if (!hwnd); a& P* [" e3 \
{
: ?* g0 Q5 H) L4 n% y* X MessageBox("没有找到扫雷游戏", NULL, MB_OK|MB_ICONINFORMATION);
2 b6 ]. r3 m! b return;4 Z" t0 U1 z, e% S4 e# X
}" o; j$ j6 @( j* D$ B# G4 U
//从窗口ID得到它的进程ID- T! F. d5 A. d6 U0 B6 m/ f+ o
::GetWindowThreadProcessId(hwnd, &id);0 m4 i5 e( v- i! D
//得到它的进程句柄' o3 q+ Z( _" C- E0 `9 Q. J
hProcess = ::OpenProcess(STANDARD_RIGHTS_REQUIRED|
% X! \4 s) h8 j* ~/ Y PROCESS_VM_READ|
' D8 G, d# T+ r* G7 \: ] PROCESS_VM_WRITE|4 B d! k$ M: |4 b/ V' H; }, {
PROCESS_VM_OPERATION, FALSE, id);% {1 J6 w( [5 ?$ L5 Y
//检查雷区的区域4 R$ ?+ e2 }1 E b& w
::ReadProcessMemory(hProcess, (void *)0x01005334, (void *)&tmpValue, 1, &bytes);$ M$ G: d& n' X9 O8 [8 E9 {
intWidth = tmpValue;
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6 h# o0 C/ Z- H: p/ `4 p$ ^ ::ReadProcessMemory(hProcess, (void *)0x01005338, (void *)&tmpValue, 1, &bytes);7 c' z2 s$ N0 ~3 v8 f: _( |, A7 z; k2 j
intHeight = tmpValue;
1 Z& P% ^2 |1 {) `1 _1 K9 n; O ::SetForegroundWindow(hwnd);) |5 S! D% I" c, \
::GetWindowRect(hwnd, &rect);2 E$ m. f* @: U. c) d: O
::SetWindowPos(hwnd, HWND_TOP, rect.left, rect.top, 0, 0, SWP_NOSIZE);% Z# T ^0 j8 r3 o
! q8 `9 O% G- O8 M5 F for (i = 1; i <= intHeight; i ++)
9 T7 J9 u }& z6 k( x( b# Z {
7 U: M6 q; A$ ?) J" ^' z! G) r for (j = 1; j <= intWidth; j ++)5 w! y1 |7 W2 @4 z+ [
{
7 ?) F2 G, @/ Z: |/ d" L ::ReadProcessMemory(hProcess, (void *)(0x01005340 + i * 32 + j),: ` \- }" b+ Q
(void *)&tmpValue, 1, &bytes);! Q- m$ Y# ~: @# D
if ((tmpValue & 0x80) != 0x80)$ |5 Y5 _. w0 Y1 M5 y
{ L& V5 L1 C" b5 ^8 b( I
point.x = 7 + j * 16 + rect.left;' _; W) { s2 q2 O# Z3 ?% C) @
point.y = 96 + i * 16 + rect.top;( r; _3 Y9 h1 p) c* R7 M2 _
::SetCursorPos(point.x, point.y);
2 j& C3 J; d$ A mouse_event(MOUSEEVENTF_LEFTDOWN, point.x, point.y, 0, 0);
/ B" B7 J: A% m H mouse_event(MOUSEEVENTF_LEFTUP, point.x, point.y, 0, 0);
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}
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::CloseHandle(hProcess); |
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