| Problem | CTF | Type | Remarks | Level | Date |
|---|---|---|---|---|---|
| Passwords |
WolvCTF 2025
|
Forensics
|
KeePass Database Brute-Force |
Very Easy
|
March 23, 2025 |
| CrackMeEXE |
WolvCTF 2025
|
Reversing
|
UPX Unpacking |
Very Easy
|
March 23, 2025 |
| AngerIssues |
WolvCTF 2025
|
Reversing
|
Symbolic Condition Extraction |
Easy
|
March 23, 2025 |
| Office |
WolvCTF 2025
|
Reversing
|
Bitmask based balance manipulation |
Easy
|
March 23, 2025 |
| 6 bloke2 |
Flare-on 11
|
Reversing
|
Verilog |
Medium
|
October 27, 2024 |
| 7 fullspeed |
Flare-on 11
|
Reversing
|
AOT Compiled .NET / Elliptic-curve Diffie–Hellman |
Very Hard
|
October 27, 2024 |
| 8 Clearly Fake |
Flare-on 11
|
Reversing
|
Smart Contract / Powershell Deobfuscation |
Medium
|
October 27, 2024 |
| 1 frog |
Flare-On 11
|
Reversing
|
Warming Up |
Very Easy
|
October 27, 2024 |
| 2 checksum |
Flare-On 11
|
Reversing
|
Golang |
Easy
|
October 27, 2024 |
| 3 aray |
Flare-On 11
|
Reversing
|
Yara Rule |
Very Easy
|
October 27, 2024 |
| 4 Meme Maker 3000 |
Flare-On 11
|
Reversing
|
JavaScript Obfuscation |
Easy
|
October 27, 2024 |
| 5 sshd |
Flare-On 11
|
Reversing
|
CoreDump |
Hard
|
October 27, 2024 |
| malware |
Whitehat Conference 2024
|
Reversing
|
RC4 |
Easy
|
November 19, 2024 |
| prepare_attack |
Whitehat Conference 2024
|
Reversing
|
Golang / Salsa20 |
Medium
|
November 19, 2024 |
| Dump |
Whitehat Conference QUALS 2024
|
Forensics
|
Non-Resident File Recovery |
Very Easy
|
October 19, 2024 |
| Stop Happy Act |
Whitehat Conference QUALS 2024
|
Reversing
|
AES |
Easy
|
October 19, 2024 |
| 김영끌 랜섬웨어 |
KDFS Challenge 2023
|
Forensics
|
Windows Forensics and Cryptocurrency Tracing |
Medium
|
August 5, 2023 |
| Magic Tricks |
CSAW QUALS 2024
|
Reversing
|
Golang |
Very Easy
|
September 6, 2024 |
| Archeology |
CSAW QUALS 2024
|
Reversing
|
VM |
Medium
|
September 6, 2024 |
| snake |
CyberSpace CTF 2024
|
Reversing
|
메모리 영역 검색 및 패치 |
Easy
|
August 30, 2024 |
| sole |
CyberSpace CTF 2024
|
Reversing
|
Golang |
Easy
|
August 30, 2024 |
| login |
CyberSpace CTF 2024
|
Reversing
|
Flutter / Dart |
Medium
|
August 30, 2024 |
| VIRTUAL-REV |
TFC CTF 2024
|
Reversing
|
논리 및 사칙연산 등 구현 해석 |
Easy
|
August 2, 2024 |
| MCKNIGHT |
TFC CTF 2024
|
Reversing
|
Pyarmor Deobfuscation |
Easy
|
August 2, 2024 |
| x8 |
TFC CTF 2024
|
Reversing
|
Rust / VM |
Medium
|
August 2, 2024 |