KIISC Digital Forensics Challenge 2023
The write-up of the top university student team.
Hosted by the Korean Institute of Information Security and Cryptology(KIISC), the Digital Forensics Challenge 2023(DFC 2023) aims to expand our knowledge of digital forensics and to contribute to this field. Now in its fourth year, it plays a significant role in developing new technologies and training forensic experts such as researchers and graduate students in the field of information security. Last year alone, the number of participants recorded a total of 727 people from 440 teams, with 311 Korean and 129 International teams.
This challenge consists of 20 problems and they have 100, 200, 300, 400, or 4~5 problems will be released on the 1st of each month, and the deadline for submission is the last day of the month. There is no limit on the number of submissions within the due date, but there is a disadvantage when submitting after the due date.
QUALIFICATION – Anyone interested in Digital Forensics. – Participants can register individually or as a team. – The maximum number of team members is six.
PARTICIPATION – Participants can use any tool (No Limitation) – You can write answer-sheet in English or Korean – Sharing answers or codes is not permitted
This is the final score and ranking of the top 5 teams. To check the scores of more teams, access the rank page.
| Rank | Name | Final Score | Nation |
|---|---|---|---|
| 🥇 | kimbabasaksaksak | 4296 | Korea (South) |
| 🥈 | AFIRST | 4155 | Korea (South) |
| 🥉 | Boricha | 4105 | Korea (South) |
| 4 | dureuphanip | 3755 | Korea (South) |
| 5 | ForensicGPT | 3512 | Korea (South) |
We do not provide source codes and image files used in challenge, but only write-ups.
| No | Problems | Keyword | Score | Main Author |
|---|---|---|---|---|
| 101 | Where is the starting point of the audio? | Audio, FYTP | 100 | Hyunwoo Shin, Jinhyeok Son |
| 102 | File Wiper | Compatibility | 100 | Eungchang Lee |
| 103 | A suspicious developer | PE, Build | 90 | Eungchang Lee |
| 104 | Fake Voice | Frequency | 100 | Eungchang Lee |
| 105 | Blue Shark | BLE, Bluetooth, Packet | 100 | Jinhyeok Son & Eungchang Lee |
| 151 | Android Live | Mobile | 150 | Eungchang Lee |
| 152 | Find video and time info | Media | 150 | Eungchang Lee |
| 153 | Partition Finder | Partition, BR | 76 | Eungchang Lee |
| No | Problems | Keyword | Score | Main Author |
|---|---|---|---|---|
| 201 | Log and Found | User_Behavior | 200 | Eungchang Lee |
| 202 | Why isn't it playing? | Video_recovery, RIFF | 200 | Eungchang Lee |
| 251 | Find the suspect | Bruteforce, Multithread, Int64_t | 250 | Hyunwoo Shin & Jinhyeok Son & Donghyun Ha |
| 252 | Password Stealer | Python, Stealer | 250 | Jinhyeok Son & Eungchang Lee |
| 253 | Analysis Adventure! | Malware, Artifact | 250 | Eungchang Lee |
| No | Problems | Keyword | Score | Main Author |
|---|---|---|---|---|
| 301 | Find hidden information | APK, Decryption | 300 | Donghyun Ha |
| 302 | Do not blink | Steganography, VR | 50 | All |
| 303 | Audit My Corporation | Audit, Cloud | 300 | Eungchang Lee |
| 304 | The sound must be erased to be heard | File_slack, Raw_audio | 300 | Jinhyeok Son & Eungchang Lee |
| 305 | Unveiling the Illusion | Detection, Classification | 136 | Hyunwoo Shin |
| 306 | Coin Chaser | Crypto, Blockchain | 230 | Eungchang Lee & Donghyun Ha |
| No | Problems | Keyword | Score | Main Author |
|---|---|---|---|---|
| 401 | Find an illegally filmed image | Android, FBE | 180 | Eungchang Lee |
The problems of this score was not given! 🤔
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