t510599

import subprocess

command = """powershell -Command \"(Get-WmiObject -Query \\"Select SerialNumber FROM Win32_BIOS\\")[\\"SerialNumber\\"].ToString()\""""
serial_number = subprocess.check_output(command, shell=True).decode().strip()

print("Serial Number:")
print(serial_number)

str1 = serial_number[10:10+3]
text = serial_number[13:13+5]

t510599

hackmd 用的圖床 imgur 要清掉舊圖了
怕 hackmd 文件裡面的圖全都被清光 所以來備份一下

Steps

1. 設定 > 筆記設定 > 備份 > 下載所有筆記
2. 解壓縮
3. 把 image.py 搬進去同個資料夾
4. 執行 image.py
5. wget -i url.txt 來下載所有圖片

t510599

writeup: hackmd
textbox-demo: https://acsc-2023-quals-pcap-preview.pages.dev/preview

t510599

import random
from random import randint

print("1-1", "11-11", "11-0", "1-0", sep="\n")
for i in range(100):
    op = random.choice(("+", "-"))
    if op == "-":
        a = randint(2**10, 2**20)
        b = randint(0, a)
    else:

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import json

with open("cac.json", "r", encoding="utf-8") as f:
    cac_db = json.load(f)

with open("ntut.json", "r", encoding="utf-8") as f:
    ntut = json.load(f)

with open("ntust.json", "r", encoding="utf-8") as f:
    ntust = json.load(f)

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async function sleep(ms) {
    return new Promise((res, rej) => {
         setTimeout(() => { res() }, ms);
    });
}

(async () => {
    $('#adult').click();
    await sleep(500);
    $('.vast-skip-button').addClass('enabled');

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ckap login script

This script read ckap.txt and auto login for ckap
You can setup your network manager to run this script if connected to ckap.

This script used requests, you can install from pip.

Format

If your account is ck1071234 and password is mypasword
Separate account and password with space
Save ckap.txt with content:

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len = (document.querySelector('._6CZji .coreSpriteRightChevron')) ? document.querySelectorAll('div.tN4sQ li._-1_m6').length : 1
index = 1
timer = setInterval(doing,500)
urls = []
function doing() {
    imgs = document.querySelectorAll('._97aPb img')
    if (index == 1){
        urls.push(imgs[0].getAttribute('src'))
    } else {
        urls.push(imgs[1].getAttribute('src'))

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/* required ES6 */

var fs = require('fs');
var path = require('path');
var json = JSON.parse(fs.readFileSync(path.resolve(__dirname, "./message.json"), 'utf8'));
var messages = json["messages"];
/* var messages = [
    {
      "sender_name": "Tony Yang",
      "timestamp": 1526469371,