KIISC Digital Forensics Challenge 2022
The write-up of the top university student team.
Hosted by the Korean Institute of Information Security and Cryptology(KIISC), the Digital Forensics Challenge 2022(DFC 2022) 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 765 people from 500 teams, with 327 Korean and 173 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 |
|---|---|---|---|
| 🥇 | asserTiVe | 3940 | Korea (South) |
| 🥈 | Please_LTV_99 | 3635 | Korea (South) |
| 🥉 | donkey | 3630 | Korea (South) |
| 4 | BirdLab | 3350 | Korea (South) |
| 4 | ISEGYE_IDOL | 3350 | 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 his money? | Wallet | 100 | Sojeong Kim |
| 102 | No more ransom | Ransomware | 100 | Eungchang Lee |
| 103 | Reset Your PC | Windows_re | 100 | Sojeong Kim & Eungchang Lee |
| 104 | Find Secret Documents | Anti, Hidden | 50 | Mingyu Sung & Eungchang Lee |
| 105 | Who leaked the secret? | Classification, Brightness | 50 | Mingyu Seong |
| 106 | Is there more than meets the eye? | Dataleak, Photo | 100 | Sojeong Kim |
| 151 | Malicious Service | Malware, Registry | 0 | All |
| 152 | Detect illegal video | Media | 150 | Sojeong Kim |
| No | Problems | Keyword | Score | Main Author |
|---|---|---|---|---|
| 201 | Leakage of Confidential Files | Share, Private_number | 170 | Donghyun HA & Sojeong Kim |
| 202 | Forged Contract | Yellow | 200 | Mingyu Seong & Donghyun HA |
| 203 | Code Audit | Smart_contract | 200 | Donghyun HA |
| 204 | SPY's sabotage | Device | 200 | Mingyu Seong |
| 205 | Detecting Object Removal | Sleep, Memory | 200 | Sojeong Kim |
| No | Problems | Keyword | Score | Main Author |
|---|---|---|---|---|
| 301 | Hidden Message | Bit, Crc32, Color_table | 300 | Mingyu Seong |
| 302 | Find evidences of a conspiracy | Document, Mail | 20 | All |
| 303 | Recovery and Restoration | 2D_Code, QR, Dot | 300 | Mingyu Seong |
| 304 | What happened to my PC | Memory, IR | 270 | All |
| 305 | Mission Impossible | Message, Cryptography | 250 | Donghyun HA |
| No | Problems | Keyword | Score | Main Author |
|---|---|---|---|---|
| 401 | Detecting Object Removal | AI_Eraser | 340 | Donghyun HA & Sojeong Kim |
| 402 | Find suspicious files | Anti_forensics, Data_history | 250 | Eungchang Lee & Sojeong Kim |
The problems of this score was not given! 🤔
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