Day planner

---

• CTF || Wargame ✅ 2025-08-13
• TryHackMe || HTB || 보안 기사 공부 || K-Sheild Jr. ✅ 2025-08-14
• 보안 뉴스 || 보안 논문 읽기
• Algorithm || Python

Daily Log

---

공부 기록

---

CTF : Gym Manager

• CVE-2023-7028

|<!-- Reset Form -->|
|<form id="reset" class="hidden" method="post" onsubmit="submitForm(event, 'reset_password')">|
|<div class="field">|
|<label class="label">Email</label>|
|<div class="control">|
|<input class="input" type="email" name="user_email" required>|
|</div>|
|</div>|
|<div class="field">|
|<button class="button is-warning is-fullwidth" type="submit" id="reset-button">|
|<span class="icon is-small is-left" id="reset-spinner" style="display: none;">|
|<i class="fas fa-spinner fa-spin"></i>|
|</span>|
|<span id="reset-button-text">Send Reset Link</span>|
|</button>|
||

<!-- 이메일을 리스트 형식으로 보내 다른 이메일에서도 비밀번호 변경 가능 -->


|<p id="reset-error" style="display:none;"></p>|
|</div>|
|<div class="has-text-centered mt-4">|
|<p class="mb-2">|
|Remembered your password?|
|<a href="[#](http://124.198.30.90:5123/auth/login#)" onclick="showForm('login')">Log In</a>|
|</p>|
|<p>|
|Don't have an account?|
|<a href="[#](http://124.198.30.90:5123/auth/login#)" onclick="showForm('register')">Sign Up</a>|
|</p>|
|</div>|
|</form>|
|</div>|
|</section>|
||
|<div class="modal" id="reset-modal">|
|<div class="modal-background"></div>|
|<div class="modal-card">|
|<header class="modal-card-head">|
|<p class="modal-card-title" id="modal-title">Title</p>|
|<button class="delete" aria-label="close" onclick="closeModal()"></button>|
|</header>|
|<section class="modal-card-body" id="modal-body">|
||
|</section>|
|<footer class="modal-card-foot">|
|<button class="button is-primary" onclick="closeModal()">OK</button>|
|</footer>|
|</div>|
|</div>|

THM

• rDNS lookup : who is 1.1.1.1 → it is example.com
• DNS lookup : who is example.com → it’s 1.1.1.1
• nmap -sT TARGET : TCP connect scan - open port check
  - -sS : sT는 권한이 있을 때, 거절되지 않는 상황에서 하고, sS는 그게 아닐때