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Quellcode

HANDLE processHandle = Kernel32.OpenProcess(Kernel32.PROCESS_QUERY_INFORMATION | Kernel32.PROCESS_VM_READ, false, pid); // pid: process id
JNative readProcessMemory = new JNative("Kernel32.dll", "ReadProcessMemory");
int b = 128; // buffer size
Pointer p = new Pointer(MemoryBlockFactory.createMemoryBlock(b));
//int base = 4194304; // common start address
int base = 16777216;
readProcessMemory.setRetVal(Type.INT);
readProcessMemory.setParameter(0,processHandle.getValue().intValue());
readProcessMemory.setParameter(1,base);
readProcessMemory.setParameter(2,p);
readProcessMemory.setParameter(3, b);

for (int x = 0; x < 100; x++) { //loop thru the first 128*100 bytes of app memory, starting at base address
readProcessMemory.setParameter(1, base + x * b); // move the pointer to the start of the next 128 byte chunk
readProcessMemory.invoke();
if (readProcessMemory.getRetValAsInt() == 0) { // <>0: Good, 1: read failed, most likely memnory access rights
System.out.println("Read fail - check access rights: " + x * b);
break;
}
}

for (int i = 0; i < b; i++)
System.out.println(p.getMemory()[i]);