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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)
5 f X3 i+ Q) W: c' ]+ I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。% g! u1 S" ^6 m3 r
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。( n1 ^" q4 }/ n, b$ ~
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
- D0 C& C2 G: n0 {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。# J7 C# m! a; ]
HWND hwnd;) V* ?% q0 d* C
HANDLE hProcess = NULL;+ L8 \) ~( i) [! C
DWORD id;# ]7 L. E. t8 C9 R3 |% F, M. a
BYTE tmpValue;
0 l: k8 B2 T& q; y" h1 N DWORD bytes;3 {7 P, H# d' c" J
CPoint point;; f0 d, b: _; G
CRect rect;
n( ~- A: _% z, I: D+ |1 y* T int intWidth, intHeight, i, j;
$ \3 | z* Q2 m! m9 I, G) Z+ x9 [ //找到扫雷游戏的窗口,如果找不到,就出错。5 r u, r5 c. ^$ d# [5 x
hwnd = ::FindWindow(NULL, "扫雷");# D# V7 E! V; z- B! C) }2 J
if (!hwnd)
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MessageBox("没有找到扫雷游戏", NULL, MB_OK|MB_ICONINFORMATION);& U8 `, M9 Y, X
return;; p: }& D2 c9 E2 ? B6 D5 f
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//从窗口ID得到它的进程ID$ g6 u; i1 q0 V, t
::GetWindowThreadProcessId(hwnd, &id);
1 Q& \7 b/ _6 \- i% g) v9 w: d //得到它的进程句柄4 Z4 g$ y, n# [+ O9 ^
hProcess = ::OpenProcess(STANDARD_RIGHTS_REQUIRED|
7 b, _- u% u: ~: k) G PROCESS_VM_READ|% a3 e! W/ u4 B: C- y6 S
PROCESS_VM_WRITE|
- s9 C' T- @- v/ C7 c# X PROCESS_VM_OPERATION, FALSE, id);
7 g7 ~. f" K) w G //检查雷区的区域
: _% N0 Y% n. z; u ::ReadProcessMemory(hProcess, (void *)0x01005334, (void *)&tmpValue, 1, &bytes);( k9 ~* l2 c& _- O* E$ b8 ^ B) y3 C
intWidth = tmpValue;" z- _6 q" E- x
+ U0 j& l& }% w7 x& F% t f ::ReadProcessMemory(hProcess, (void *)0x01005338, (void *)&tmpValue, 1, &bytes);
9 R; w7 d1 y+ [' F/ E intHeight = tmpValue;. }8 x9 v- ^7 t. [. `- g
::SetForegroundWindow(hwnd);1 d' b0 ~" _$ F8 t& b$ y2 u% M
::GetWindowRect(hwnd, &rect);
0 s- j2 z$ w A6 S8 G ::SetWindowPos(hwnd, HWND_TOP, rect.left, rect.top, 0, 0, SWP_NOSIZE);! f3 B+ N# S. q) V5 X! A& Q
$ o; N2 v: V! U for (i = 1; i <= intHeight; i ++)) Z- L8 G M0 t+ z5 c) _* }" |: Y
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for (j = 1; j <= intWidth; j ++) V/ v0 p7 j3 [5 {
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::ReadProcessMemory(hProcess, (void *)(0x01005340 + i * 32 + j),
. h* B+ X1 c. n; a (void *)&tmpValue, 1, &bytes);$ y: f% S* p# r( V i" W& S
if ((tmpValue & 0x80) != 0x80)
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point.x = 7 + j * 16 + rect.left;8 l3 Y. I7 l% ~
point.y = 96 + i * 16 + rect.top;
9 j! m, d8 x4 X7 N8 s, h ::SetCursorPos(point.x, point.y);
3 g' p/ Q% q4 I2 r# h5 I; u* W mouse_event(MOUSEEVENTF_LEFTDOWN, point.x, point.y, 0, 0);
% Z& }; s' X. ], { mouse_event(MOUSEEVENTF_LEFTUP, point.x, point.y, 0, 0);
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::CloseHandle(hProcess); |
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