NSG650 NSG650

🥶

XCHG EAX, EAXing

Low level memes

NSG650 / exploit.c

Last active August 10, 2024 08:28

WinRing0 LPE PoC on Server 2012 R2

	// This PoC has been tested and worked on under Windows Server 2012 R2.
	// I was in a hurry and did not want to bother with bypassing the modern security mechanisms provided on NT 10.
	// Hence it was tested under Server 2012 R2 which is what I had at the moment.
	// Feel free to play around with this and maybe get it working on NT 10 as well.

	#include <stdio.h>
	#include <stdlib.h>
	#include <windows.h>

	// ifndefs since TCC doesn't provide these definitions

NSG650 / ListLoadedDrivers.c

Created August 3, 2024 17:26

Lists the loaded drivers on a system

	#include <windows.h>
	#include <winternl.h>

	#pragma comment(lib, "ntdll.lib")

	typedef struct SYSTEM_MODULE {
	ULONG Reserved1;
	ULONG Reserved2;
	#ifdef _WIN64
	ULONG Reserved3;

NSG650 / WindowFocusLogger.c

Last active August 28, 2024 13:28

Logs which processes have received window focus

	#include <stdio.h>
	#include <Windows.h>

	VOID CALLBACK WinEventProcHook(HWINEVENTHOOK hWinEventHook, DWORD event, HWND hwnd,
	LONG idObject, LONG idChild, DWORD idEventThread, DWORD dwmsEventTime) {
	DWORD ProcessId = 0;
	if (GetWindowThreadProcessId(hwnd, &ProcessId) != 0) {
	HANDLE ProcessHandle = OpenProcess(PROCESS_QUERY_LIMITED_INFORMATION, FALSE, ProcessId);
	if (ProcessHandle != (HANDLE)(-1)) {
	char buffer[MAX_PATH] = {0};

NSG650 / FatalAppExitA.asm

Last active April 27, 2024 05:45

This x86_64 assembly program for Windows displays a message using the FatalAppExitA function.

	section .text

	extern _Start

	_Start:
	mov rax, [gs:0x60] ; rax = Peb
	mov rax, [rax + 0x18] ; rax = Peb->Ldr
	mov rsi, [rax + 0x20] ; rsi = Peb->Ldr->InMemoryOrderModuleList

	; The first module is the executable itself

NSG650 / main.c

Created April 22, 2024 11:38

Multi threaded matrix multiplications using NT native API

NSG650 / lr.py

Last active February 9, 2024 15:53

Random idea I had for a linear regression algorithm by using medians

	# This was put in a hurry will be bad but the key idea is
	# - we calculate the slope between every 2 point and take the median out of all those slopes
	# - now using the median slope we calculate the value of the b intercept and take the median out of all those b intercepts
	# the line formed is y = median_slope * x + median_intercept
	# This is probably not the best way. I am open for suggestions.

	import matplotlib.pyplot as plt
	import random

	random_slope = random.randint(1, 10)

NSG650 / win95_key_gen.c

Last active November 26, 2023 12:21

Windows 95 Key generator

	#include <stdio.h>
	#include <stdint.h>
	#include <stdlib.h>
	#include <stddef.h>
	#include <string.h>
	#include <stdbool.h>
	#include <time.h>

	#define random_between(min, max) (rand() % (max - min) + min)

NSG650 / win32_dvd_screensaver.c

Last active October 16, 2023 16:42

NSG650 / fixing_fit.c

Created September 11, 2023 07:34

Fit To Screen Implementation in SDL2 and C

	#include <stdio.h>
	#include <stdlib.h>
	#include <SDL2/SDL.h>
	#include <stdint.h>
	#include <stddef.h>

	#define STB_IMAGE_IMPLEMENTATION
	#include "stb_image.h"

	#define STB_IMAGE_RESIZE_IMPLEMENTATION

NSG650 / sudoku_generator_and_solver.c

Created July 17, 2023 10:57

Sudoku generator and then solves the generated puzzle.