[L3HCTF 2021]CoreGhost
| ID： | 13810 |
|---|---|
| 标题： | [L3HCTF 2021]CoreGhost |
| 描述： | L3H_Sec have a home-made HSM(Hardware Secure Module) as a server. It provide a firmware-level security algorithm based on opensource BIOS implementation CoreBoot. flag.txt was encrypted on that server with program encryptor (in attachment) 得到的flag请使用NSSCTF{}格式提交。 该题FLAG未知，解出后请联系管理员更新。 HINT: 1. How was the firmware packaged? CoreBoot source code may help. 2. What does the driver call in the BIOS? 3. You should use your static analysis skills because this BIOS firmware is almost impossible to run on a simulator (like QEMU). |
| 类型： | REVERSE |
| 网站： | NSSCTF |
| 题目链接： | https://www.nssctf.cn/problem/808 |
| 赛事： | L3HCTF |
| 年度： | 2021 |
| Flag值： | flag{Y0U_F0UND_CVE-2021-42574!} |
| writeup： |
https://hujiekang.top/posts/l3hctf-2021-writeup/ flag{Y0U_F0UND_CVE-2021-42574!} https://hong5489.github.io/2021-11-16-l3hctf2021/ 无法找到 |