This is a collection of all challenges in HKCERT CTF 2021

Related tags

Deep Learninghkcert-ctf-2021
Overview

香港網絡保安新生代奪旗挑戰賽 2021 (HKCERT CTF 2021)

This is a collection of all challenges (and writeups) in HKCERT CTF 2021

Challenges

ID Chinese name Name Score Solves Tags (Categories)
1 玩咗先至瞓 Sanity Check 50 234 #☆☆☆☆☆
2 Freedom Cipher Mode Picker 100 21 #crypto #★☆☆☆☆
4 所有遺失的東西 All Missing 150 27 #pwn #★☆☆☆☆
5 留下來的人 The Remaining One 300 4 #pwn #misc #★★★☆☆
6 今天我不想做嘢 Let's Chill 450 4 #reverse #misc #★★★★☆
7 集合吧！地球保衛隊 Sratslla SEA 450 2 #crypto #★★★★☆
10 Ophiuchus Ophiuchus 500 2 #web #★★★★★
11 無聲浪 The Wave of Us 50 152 #forensics #☆☆☆☆☆
12 深夜浪漫 1 babyURIi 200 4 #pwn #web #★★☆☆☆
15 幫緊你！幫緊你！ Flag Checker™ 250 3 #pwn #★★☆☆☆
17 最難行的路 The Hardest Path 300 9 #reverse #misc #★★★☆☆
20 開燈．熄燈 (熄燈版) Jail of Blind 300 4 #pwn #★★★☆☆
22 小諧星 A Joke Cipher 50 88 #crypto #☆☆☆☆☆
23 郵差叔叔送信純熟迅速送出 1 Jack Botnet Service 1 300 12 #forensics #★★★☆☆
24 郵差叔叔送信純熟迅速送出 2 Jack Botnet Service 2 300 8 #forensics #★★★☆☆
28 想改寫的事 To Modify the Past 50 54 #pwn #☆☆☆☆☆
29 告別式 Cool Down 200 10 #pwn #★★☆☆☆
30 世上唯一雙細胞 1 Fortune Cookie 1 250 4 #pwn #★★☆☆☆
31 世上唯一雙細胞 2 Fortune Cookie 2 350 3 #pwn #★★★☆☆
32 薛丁格的盒子 Unobserved Box 250 6 #pwn #reverse #★★☆☆☆
35 千世書 Mastermind 500 0 #pwn #★★★★★
36 逐步拾回自己 Step by Step 100 68 #reverse #misc #★☆☆☆☆
37 暈暈陀陀 1 CTF Tuning Master (Read) 150 15 #web #misc #★☆☆☆☆
38 點點心 Steamed Meatball 150 7 #misc #★☆☆☆☆
39 選擇困難 Difficult Choice 400 5 #forensics #★★★★☆
40 純孩兒 babyXSS 100 37 #web #★☆☆☆☆
41 消失的人 The Disappeared 200 51 #forensics #★★☆☆☆
43 理性與任性之間 Shuffle 50 60 #reverse #☆☆☆☆☆
44 哥本哈根的另一個我 Another VM in København 300 2 #reverse #★★★☆☆
45 一知半解 Half-truth VM 250 2 #crypto #reverse #★★☆☆☆
46 要做更壞的事 Make it worse VM 500 0 #pwn #reverse #★★★★★
49 漫漫碎 Scattered 100 16 #reverse #★☆☆☆☆
51 Old Fashioned ↑←↓↑x 250 11 #reverse #★★☆☆☆
53 無門 No Door 1 100 6 #forensics #★☆☆☆☆
54 幻象 No Door 2 200 14 #forensics #★★☆☆☆
55 塵 Positron 400 3 #crypto #pwn #reverse #web #misc #★★★★☆
56 因講了出來 Because I Said It 150 76 #web #★☆☆☆☆
57 長話短說 Key Backup Service 1 150 6 #crypto #★☆☆☆☆
58 Braceless Key Backup Service 2 350 5 #crypto #★★★☆☆
59 返鄕下耕田啦你 easyheap 250 5 #pwn #★★☆☆☆
61 倒數 babyre 450 3 #reverse #★★★★☆
62 角落生物 1 Squirrel Community 1 50 176 #web #☆☆☆☆☆
63 回到12歲 scratch-tic-tac-toe 200 86 #misc #★★☆☆☆
64 荊棘海 The Wilderness 100 39 #web #★☆☆☆☆
67 約定的夢幻島 Sign In Please, Again 500 2 #crypto #★★★★★
70 樂園 JQ Playground 200 15 #web #★★☆☆☆
72 中二病人 A Junior Mathematician 350 3 #reverse #★★★☆☆
74 時間的囚犯 Timebomb 100 16 #reverse #★☆☆☆☆
79 FreeRider Tenet: The Plagarism 350 4 #crypto #★★★☆☆
98 網絡安全隱患 Infant Browser 50 52 #pwn #web #☆☆☆☆☆
111 神奇的糊塗魔藥 Potion of Ciphermath 450 1 #crypto #misc #★★★★☆
123 差一些什麼? babyUXSS 100 7 #web #★☆☆☆☆
60944 係咁先啦 Feedback 50 169 #☆☆☆☆☆
6825524 深夜浪漫 2 Return of babyURIi 350 3 #web #★★★☆☆
24397312 角落生物 2 Squirrel Community 2 250 2 #web #★★☆☆☆
33330996 暈暈陀陀 2 CTF Tuning Master (Execute) 300 3 #web #★★★☆☆
Owner
Ah!
GitHub Repository
UMT is a unified and flexible framework which can handle different input modality combinations, and output video moment retrieval and/or highlight detection results.

Unified Multi-modal Transformers This repository maintains the official implementation of the paper UMT: Unified Multi-modal Transformers for Joint Vi

Applied Research Center (ARC), Tencent PCG 84 Jan 04, 2023
A Python package for causal inference using Synthetic Controls

Synthetic Control Methods A Python package for causal inference using synthetic controls This Python package implements a class of approaches to estim

Oscar Engelbrektson 107 Dec 28, 2022
Implementation of SSMF: Shifting Seasonal Matrix Factorization

SSMF Implementation of SSMF: Shifting Seasonal Matrix Factorization, Koki Kawabata, Siddharth Bhatia, Rui Liu, Mohit Wadhwa, Bryan Hooi. NeurIPS, 2021

Koki Kawabata 9 Jun 10, 2022
A PyTorch implementation of the Transformer model in "Attention is All You Need".

Attention is all you need: A Pytorch Implementation This is a PyTorch implementation of the Transformer model in "Attention is All You Need" (Ashish V

Yu-Hsiang Huang 7.1k Jan 04, 2023
Official codebase for Legged Robots that Keep on Learning: Fine-Tuning Locomotion Policies in the Real World

Legged Robots that Keep on Learning Official codebase for Legged Robots that Keep on Learning: Fine-Tuning Locomotion Policies in the Real World, whic

Laura Smith 70 Dec 07, 2022
Neural Network Libraries

Neural Network Libraries Neural Network Libraries is a deep learning framework that is intended to be used for research, development and production. W

Sony 2.6k Dec 30, 2022
Source code for the Paper: CombOptNet: Fit the Right NP-Hard Problem by Learning Integer Programming Constraints}

CombOptNet: Fit the Right NP-Hard Problem by Learning Integer Programming Constraints Installation Run pipenv install (at your own risk with --skip-lo

Autonomous Learning Group 65 Dec 27, 2022
Tensorflow implementation and notebooks for Implicit Maximum Likelihood Estimation

tf-imle Tensorflow 2 and PyTorch implementation and Jupyter notebooks for Implicit Maximum Likelihood Estimation (I-MLE) proposed in the NeurIPS 2021

NEC Laboratories Europe 69 Dec 13, 2022
RoMA: Robust Model Adaptation for Offline Model-based Optimization

RoMA: Robust Model Adaptation for Offline Model-based Optimization Implementation of RoMA: Robust Model Adaptation for Offline Model-based Optimizatio

9 Oct 31, 2022
A Simplied Framework of GAN Inversion

Framework of GAN Inversion Introcuction You can implement your own inversion idea using our repo. We offer a full range of tuning settings (in hparams

Kangneng Zhou 13 Sep 27, 2022
Keras Implementation of Neural Style Transfer from the paper "A Neural Algorithm of Artistic Style"

Neural Style Transfer & Neural Doodles Implementation of Neural Style Transfer from the paper A Neural Algorithm of Artistic Style in Keras 2.0+ INetw

Somshubra Majumdar 2.2k Dec 31, 2022
NumPy로 구현한 딥러닝 라이브러리입니다. (자동 미분 지원)

Deep Learning Library only using NumPy 본 레포지토리는 NumPy 만으로 구현한 딥러닝 라이브러리입니다. 자동 미분이 구현되어 있습니다. 자동 미분 자동 미분은 미분을 자동으로 계산해주는 기능입니다. 아래 코드는 자동 미분을 활용해 역전파

조준희 17 Aug 16, 2022
Paddle-Adversarial-Toolbox (PAT) is a Python library for Deep Learning Security based on PaddlePaddle.

Paddle-Adversarial-Toolbox Paddle-Adversarial-Toolbox (PAT) is a Python library for Deep Learning Security based on PaddlePaddle. Model Zoo Common FGS

AgentMaker 17 Nov 08, 2022
A toy compiler that can convert Python scripts to pickle bytecode 🥒

Pickora 🐰 A small compiler that can convert Python scripts to pickle bytecode. Requirements Python 3.8+ No third-party modules are required. Usage us

ꌗᖘ꒒ꀤ꓄꒒ꀤꈤꍟ 68 Jan 04, 2023
PSML: A Multi-scale Time-series Dataset for Machine Learning in Decarbonized Energy Grids

PSML: A Multi-scale Time-series Dataset for Machine Learning in Decarbonized Energy Grids The electric grid is a key enabling infrastructure for the a

Texas A&M Engineering Research 19 Jan 07, 2023
CPPE - 5 (Medical Personal Protective Equipment) is a new challenging object detection dataset

CPPE - 5 CPPE - 5 (Medical Personal Protective Equipment) is a new challenging dataset with the goal to allow the study of subordinate categorization

Rishit Dagli 53 Dec 17, 2022
Keywords : Streamlit, BertTokenizer, BertForMaskedLM, Pytorch

Next Word Prediction Keywords : Streamlit, BertTokenizer, BertForMaskedLM, Pytorch 🎬 Project Demo ✔ Application is hosted on Streamlit. You can see t

Vivek7 3 Aug 26, 2022
A programming language written with python

Kaoft A programming language written with python How to use A simple Hello World: c="Hello World" c Output: "Hello World" Operators: a=12

1 Jan 24, 2022
TSDF++: A Multi-Object Formulation for Dynamic Object Tracking and Reconstruction

TSDF++: A Multi-Object Formulation for Dynamic Object Tracking and Reconstruction TSDF++ is a novel multi-object TSDF formulation that can encode mult

ETHZ ASL 130 Dec 29, 2022
Code for AA-RMVSNet: Adaptive Aggregation Recurrent Multi-view Stereo Network (ICCV 2021).

AA-RMVSNet Code for AA-RMVSNet: Adaptive Aggregation Recurrent Multi-view Stereo Network (ICCV 2021) in PyTorch. paper link: arXiv | CVF Change Log Ju

Qingtian Zhu 97 Dec 30, 2022