This is a collection of all challenges in HKCERT 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 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 #★★★☆☆
PSANet: Point-wise Spatial Attention Network for Scene Parsing, ECCV2018.

PSANet: Point-wise Spatial Attention Network for Scene Parsing (in construction) by Hengshuang Zhao*, Yi Zhang*, Shu Liu, Jianping Shi, Chen Change Lo

Hengshuang Zhao 217 Oct 30, 2022
Codes for TIM2021 paper "Anchor-Based Spatio-Temporal Attention 3-D Convolutional Networks for Dynamic 3-D Point Cloud Sequences"

Codes for TIM2021 paper "Anchor-Based Spatio-Temporal Attention 3-D Convolutional Networks for Dynamic 3-D Point Cloud Sequences"

Intelligent Robotics and Machine Vision Lab 4 Jul 19, 2022
Robust and Accurate Object Detection via Self-Knowledge Distillation

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Weipeng Xu 6 Jul 01, 2022
[ICLR 2022 Oral] F8Net: Fixed-Point 8-bit Only Multiplication for Network Quantization

F8Net Fixed-Point 8-bit Only Multiplication for Network Quantization (ICLR 2022 Oral) OpenReview | arXiv | PDF | Model Zoo | BibTex PyTorch implementa

Snap Research 76 Dec 13, 2022
PIXIE: Collaborative Regression of Expressive Bodies

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Yao Feng 331 Jan 04, 2023
labelpix is a graphical image labeling interface for drawing bounding boxes

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schissmantics 26 May 24, 2022
The Deep Learning with Julia book, using Flux.jl.

Deep Learning with Julia DL with Julia is a book about how to do various deep learning tasks using the Julia programming language and specifically the

Logan Kilpatrick 67 Dec 25, 2022
A proof of concept ai-powered Recaptcha v2 solver

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Nate 60 Dec 20, 2022
Example of a Quantum LSTM

Example of a Quantum LSTM

Riccardo Di Sipio 36 Oct 31, 2022
Neural style transfer in PyTorch.

style-transfer-pytorch An implementation of neural style transfer (A Neural Algorithm of Artistic Style) in PyTorch, supporting CPUs and Nvidia GPUs.

Katherine Crowson 395 Jan 06, 2023
Tools for the Cleveland State Human Motion and Control Lab

Introduction This is a collection of tools that are helpful for gait analysis. Some are specific to the needs of the Human Motion and Control Lab at C

CSU Human Motion and Control Lab 88 Dec 16, 2022
OpenVisionAPI server

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Open Vision API 93 Nov 24, 2022
Source Code and data for my paper titled Linguistic Knowledge in Data Augmentation for Natural Language Processing: An Example on Chinese Question Matching

Description The source code and data for my paper titled Linguistic Knowledge in Data Augmentation for Natural Language Processing: An Example on Chin

Zhengxiang Wang 3 Jun 28, 2022
Urban mobility simulations with Python3, RLlib (Deep Reinforcement Learning) and Mesa (Agent-based modeling)

Deep Reinforcement Learning for Smart Cities Documentation RLlib: https://docs.ray.io/en/master/rllib.html Mesa: https://mesa.readthedocs.io/en/stable

1 May 15, 2022
[ICLR 2022] Pretraining Text Encoders with Adversarial Mixture of Training Signal Generators

AMOS This repository contains the scripts for fine-tuning AMOS pretrained models on GLUE and SQuAD 2.0 benchmarks. Paper: Pretraining Text Encoders wi

Microsoft 22 Sep 15, 2022
An implementation of "MixHop: Higher-Order Graph Convolutional Architectures via Sparsified Neighborhood Mixing" (ICML 2019).

MixHop and N-GCN ⠀ A PyTorch implementation of "MixHop: Higher-Order Graph Convolutional Architectures via Sparsified Neighborhood Mixing" (ICML 2019)

Benedek Rozemberczki 393 Dec 13, 2022
Implementation of the CVPR 2021 paper "Online Multiple Object Tracking with Cross-Task Synergy"

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54 Oct 15, 2022
FeTaQA: Free-form Table Question Answering

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ByteTrack超详细教程!训练自己的数据集&&摄像头实时检测跟踪

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Double-zh 45 Dec 19, 2022
NPBG++: Accelerating Neural Point-Based Graphics

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Ruslan Rakhimov 57 Dec 03, 2022