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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)
+ s5 N u# W$ e7 g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。
/ i+ w6 ]& T! i3 q5 G. X4 D9 A1 }7 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。
( N" t1 x" P5 I' e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
# ^# q& _. _% S/ f: a+ A; `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。
, q3 f$ b, L7 p& J' g- M: t, G HWND hwnd;
: J$ s1 v7 g2 @9 S+ {1 i3 m0 J HANDLE hProcess = NULL;2 @/ `" q5 ^5 l. ^% y8 j8 ~/ ~& t
DWORD id;! U) H6 X$ s; S4 G$ i
BYTE tmpValue;
! W9 i; c' y" X2 t+ E: f j DWORD bytes;9 x) Y! V% x4 E3 K
CPoint point;
- ~, F( o0 i$ o7 q- M( S CRect rect;# R# g; F; `) `/ g6 {9 Q( y! r/ X) a
int intWidth, intHeight, i, j;5 I+ w$ B' x9 ~0 l
//找到扫雷游戏的窗口,如果找不到,就出错。+ l3 q' ~4 J2 u0 x; H8 Y
hwnd = ::FindWindow(NULL, "扫雷");% R. W& O ~# n" ~$ O, }
if (!hwnd)
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MessageBox("没有找到扫雷游戏", NULL, MB_OK|MB_ICONINFORMATION);
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//从窗口ID得到它的进程ID
+ g6 W8 U. d1 g# l$ T X ::GetWindowThreadProcessId(hwnd, &id);# @% y6 x. Z, X: R
//得到它的进程句柄9 ]# t; ^' k8 E! g4 e/ x
hProcess = ::OpenProcess(STANDARD_RIGHTS_REQUIRED|& K3 B/ E; o% Z. W* Q% ^; y
PROCESS_VM_READ|5 V6 _# c# I8 _. R
PROCESS_VM_WRITE|
0 `. D& z' N. ?6 f PROCESS_VM_OPERATION, FALSE, id);
- r4 t* @. T5 r2 u& I* x //检查雷区的区域 a W5 P6 h2 u; e7 }
::ReadProcessMemory(hProcess, (void *)0x01005334, (void *)&tmpValue, 1, &bytes);
8 z& O5 t, q: F; N3 R intWidth = tmpValue;
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::ReadProcessMemory(hProcess, (void *)0x01005338, (void *)&tmpValue, 1, &bytes);
0 K# @0 [( i5 `: [6 _( t, M/ d intHeight = tmpValue;
( s; j1 |7 l* p* z ::SetForegroundWindow(hwnd);
: C- D! c( r& J& F4 C" f# N ::GetWindowRect(hwnd, &rect);
: U p8 J1 A+ n3 N( o ::SetWindowPos(hwnd, HWND_TOP, rect.left, rect.top, 0, 0, SWP_NOSIZE);/ U0 W0 o" G$ c0 l0 o4 z& L. ~
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for (i = 1; i <= intHeight; i ++)% g# f+ D8 H4 i8 z# h
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for (j = 1; j <= intWidth; j ++)
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- G+ W; b8 q8 e- ~4 d- o. g ::ReadProcessMemory(hProcess, (void *)(0x01005340 + i * 32 + j),' J) a/ n) p1 ~& P6 ]
(void *)&tmpValue, 1, &bytes);3 f6 b/ h6 k. c% O2 a1 m- k
if ((tmpValue & 0x80) != 0x80)
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) S7 ^1 ?, F! X' W. h point.x = 7 + j * 16 + rect.left;
4 [+ S2 {( U" v+ o; [& Y7 V; z point.y = 96 + i * 16 + rect.top;* y) c. Z. y4 f# q
::SetCursorPos(point.x, point.y);7 s. ^7 x. F/ c9 U1 w! w
mouse_event(MOUSEEVENTF_LEFTDOWN, point.x, point.y, 0, 0);
( J4 k) _: \7 V. Q3 r mouse_event(MOUSEEVENTF_LEFTUP, point.x, point.y, 0, 0);" K- O8 ]7 }0 n
}
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::CloseHandle(hProcess); |
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