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        <title>Ctf-write-up Tag - Viblo</title>
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            <title><![CDATA[Lần đầu tiên tôi đã giải được CTF web challenge với độ khó cao nhất (cùng với AI)]]></title>
                        <link>https://viblo.asia/p/lan-dau-tien-toi-da-giai-duoc-ctf-web-challenge-voi-do-kho-cao-nhat-cung-voi-ai-37LdegEmVov</link>
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            <description><![CDATA[Writeup: Korvia Vault — HackTheBox Business CTF 2026

Bối cảnh

Global Cyber Skills Benchmark CTF 2026: Project Nightfall vừa kết thúc được vài...]]></description>
                        <dc:creator xmlns:dc="http://purl.org/dc/elements/1.1/">huy hoang nguyen</dc:creator>
            <pubDate>2026-05-20 21:54:08</pubDate>
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                <item>
            <title><![CDATA[[Write-up] Offsec Proving Grounds: Bitforge | Lỗ hổng phân quyền]]></title>
                        <link>https://viblo.asia/p/write-up-offsec-proving-grounds-bitforge-lo-hong-phan-quyen-obA46YrxVKv</link>
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            <description><![CDATA[Tóm tắt

Đây là một box trên Offsec’s PG Practice khá thú vị, được community rate "Very Hard". Ở box này, webpage sử dụng CMS SOPlanning với các biến ...]]></description>
                        <dc:creator xmlns:dc="http://purl.org/dc/elements/1.1/">Lê Ngọc Toàn</dc:creator>
            <pubDate>2025-06-02 14:53:09</pubDate>
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                <item>
            <title><![CDATA[Khái niệm cơ bản về Active Directory THM]]></title>
                        <link>https://viblo.asia/p/khai-niem-co-ban-ve-active-directory-thm-5OXLAApxLGr</link>
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            <description><![CDATA[![](https://raw.githubusercontent.com/bibo318/Writeup-TryHackMe-Prive/main/Active%20Directory%20Basics/ad.jpg?token=GHSAT0AAAAAACPFXNKNKFFIO44YOD53SNU...]]></description>
                        <dc:creator xmlns:dc="http://purl.org/dc/elements/1.1/">Debugs</dc:creator>
            <pubDate>2024-03-10 17:35:19</pubDate>
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            <title><![CDATA[[Write-up] HACKTHEBOX Machine: Cozy Hosting. Sensitive Information Disclosure rất nguy hiểm!]]></title>
                        <link>https://viblo.asia/p/write-up-hackthebox-machine-cozy-hosting-sensitive-information-disclosure-rat-nguy-hiem-gwd4377j4X9</link>
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            <description><![CDATA[Giới thiệu
CozyHosting là 1 machine dễ ở trên HackTheBox. Nó sẽ phù hợp đối với những bạn mới tập chơi machine ở phần Init Access. Nhưng nếu muốn có f...]]></description>
                        <dc:creator xmlns:dc="http://purl.org/dc/elements/1.1/">Phạm Hiếu</dc:creator>
            <pubDate>2023-12-25 14:17:28</pubDate>
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            <title><![CDATA[GoogleCTF 2023 writeup - &quot;write-flag-where2&quot; challenge - a different solution to Google's]]></title>
                        <link>https://viblo.asia/p/googlectf-2023-writeup-write-flag-where2-challenge-a-different-solution-to-googles-GyZJZX0GVjm</link>
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            <description><![CDATA[1. Introduction to the challenge
- Category: pwn
- This challenge is the part 2 of "write-flag-where1" challenge. It is the same binary without the "G...]]></description>
                        <dc:creator xmlns:dc="http://purl.org/dc/elements/1.1/">Vũ Duy Thành</dc:creator>
            <pubDate>2023-06-27 00:00:52</pubDate>
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            <title><![CDATA[KMA CTF 2023 LẦN 1 WRITE UP]]></title>
                        <link>https://viblo.asia/p/kma-ctf-2023-lan-1-write-up-GAWVpOg5L05</link>
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            <description><![CDATA[Web challenges
Vào đây!

Phân tích

Vào chall ta nhận được full source code bằng nodejs, đọc sơ qua thì thấy web có 3 api
- /login: Đăng nhập với 2 in...]]></description>
                        <dc:creator xmlns:dc="http://purl.org/dc/elements/1.1/">anhbt</dc:creator>
            <pubDate>2023-06-21 02:12:45</pubDate>
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            <title><![CDATA[KCSC TTV 2023 WRITE UP]]></title>
                        <link>https://viblo.asia/p/kcsc-ttv-2023-write-up-PwlVmxyrL5Z</link>
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            <description><![CDATA[Web challenges
Phpri Phprai

Phân tích

Vào chall ta thấy được source của chall được show ra và việc cần làm chỉ là bypass từ phần để lấy được toàn bộ...]]></description>
                        <dc:creator xmlns:dc="http://purl.org/dc/elements/1.1/">anhbt</dc:creator>
            <pubDate>2023-05-24 13:18:41</pubDate>
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            <title><![CDATA[KCSC CTF 2023 WRITE UP]]></title>
                        <link>https://viblo.asia/p/kcsc-ctf-2023-write-up-zXRJ82j9VGq</link>
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            <description><![CDATA[Web challenges

valentine (stolen)

Phân tích

Vào chall ta nhận được một form để tạo card cho valentine:

Nhập giá trị bất kỳ vào biến name và submit...]]></description>
                        <dc:creator xmlns:dc="http://purl.org/dc/elements/1.1/">anhbt</dc:creator>
            <pubDate>2023-05-24 10:18:44</pubDate>
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            <title><![CDATA[[Write-up] HTBCTF Cyber Apocalypse 2023 - The Cursed Mission: [Web] UnEarthly Shop]]></title>
                        <category>Development</category>
                        <link>https://viblo.asia/p/write-up-htbctf-cyber-apocalypse-2023-the-cursed-mission-web-unearthly-shop-38X4ENGXJN2</link>
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            <description><![CDATA[Intro

UnEarthly Shop là một trong hai challenge có độ khó Hard nằm trong mảng Web. Trong khi challenge còn lại thì cách thức tấn công cũng như để RCE...]]></description>
                        <dc:creator xmlns:dc="http://purl.org/dc/elements/1.1/">Nguyen Anh Tien</dc:creator>
            <pubDate>2023-03-23 21:49:26</pubDate>
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