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@austinmarton
austinmarton / sendRawEth.c
Created February 27, 2012 08:40
Send a raw Ethernet frame in Linux
/*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*/
#include <arpa/inet.h>
#include <linux/if_packet.h>
#include <stdio.h>
@tonysneed
tonysneed / Mac OS X: Open in Visual Studio Code
Last active March 29, 2025 18:40
Add a command to Finder services in Mac OSX to open a folder in VS Code
- Open Automator
- File -> New -> Service
- Change "Service Receives" to "files or folders" in "Finder"
- Add a "Run Shell Script" action
- Change "Pass input" to "as arguments"
- Paste the following in the shell script box: open -n -b "com.microsoft.VSCode" --args "$*"
- Save it as something like "Open in Visual Studio Code"
@ErikAugust
ErikAugust / spectre.c
Last active January 5, 2025 07:01
Spectre example code
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#ifdef _MSC_VER
#include <intrin.h> /* for rdtscp and clflush */
#pragma optimize("gt",on)
#else
#include <x86intrin.h> /* for rdtscp and clflush */
#endif
@mayufo
mayufo / 验证中国身份证 前6位对应地区码
Created January 16, 2018 10:12
验证中国身份证 前6位对应地区码
var GB2260 = {
"110000": "北京市",
"110100": "北京市市辖区",
"110101": "北京市东城区",
"110102": "北京市西城区",
"110103": "北京市崇文区",
"110104": "北京市宣武区",
"110105": "北京市朝阳区",
"110106": "北京市丰台区",
"110107": "北京市石景山区",
@extremecoders-re
extremecoders-re / qemu-networking.md
Last active May 16, 2025 10:44
Setting up Qemu with a tap interface

Setting up Qemu with a tap interface

There are two parts to networking within QEMU:

  • The virtual network device that is provided to the guest (e.g. a PCI network card).
  • The network backend that interacts with the emulated NIC (e.g. puts packets onto the host's network).

Example: User mode network

@zhangyoufu
zhangyoufu / unbuffer.py
Last active May 5, 2023 06:12
force unbuffer stdout of Windows program
#!/usr/bin/env python3
from msvcrt import get_osfhandle
from ctypes.wintypes import *
from ctypes import *
import os
import struct
if sizeof(c_ulong) == sizeof(c_void_p):
ULONG_PTR = c_ulong
elif sizeof(c_ulonglong) == sizeof(c_void_p):
@Jackyxty
Jackyxty / heapstorm2.py
Created April 2, 2018 00:10
Official solution for "Heap Storm II" of 0CTF/TCTF 2018 Quals
#!/usr/bin/env python
# encoding: utf-8
#flag{Seize it, control it, and exploit it. Welcome to the House of Storm.}
import itertools
from hashlib import sha256
from pwn import remote, process, ELF
from pwn import context
from pwn import p32,p64,u32,u64
@hama7230
hama7230 / exploit.py
Created November 13, 2018 11:59
HCTF 2018 the end
#!/usr/bin/env python
from pwn import *
context(terminal=['tmux', 'splitw', '-h']) # horizontal split window
# libc = ELF('./libc64.so')
elf = ELF('./the_end')
context(os='linux', arch=elf.arch)
# context(log_level='debug') # output verbose log
@lilydjwg
lilydjwg / gh-check
Last active March 20, 2025 01:02
gh-check: speed test to known GitHub IPs
#!/usr/bin/python3
import asyncio
import time
import socket
import argparse
import aiohttp
class MyConnector(aiohttp.TCPConnector):