newbieからバイナリアンへ

newbie dive into binary

昨日は海を見に行きました

Entries from 2020-10-01 to 1 month

【pwn 38.2】SECCON CTF 2020 ~ part.3 kvdb

keywords customized memory system / tcache poisoning / heap feng shui / libc2.32 鶏がチキンレースをしたらチキンチキンレースになり それがガキ使の企画として行われたらチキチキチキンチキンレースになることは自明であるが キツキツのキッチンでそれ…

【pwn 38.1】SECCON CTF 2020 ~ part.2 kstack (kernel exploit)

keywords kernel exploit / setxattr / userfaultfd / shm_file_data / double free 1: イントロ 2: 静的解析 2: Vulns 3: Leak kernbase via shm_file_data 4: Double free via failure of copy_from_user 4: Rule PC via seq_operations and setxattr 5: R…

【pwn 38.0】SECCON CTF 2020 ~ part.1 lazynote / pwarmup

keywords forge _IO_FILE_plus to leak / libc2.27 1: イントロ お知らせ 2: pwarmup 静的解析 Vulns / Attack Vector Exploit 3: lazynote 静的解析 Vulns libcbase leak Limited arbitrary write into stdin Forge stdin via unimited arbitrary write int…

You can cite code or comments in my blog as you like basically.
There are some exceptions.
1. When the code belongs to some other license. In that case, follow it.
2. You can't use them for evil purpose.
I don't take any responsibility for using my code or comment.
If you find my blog useful, I'll appreciate if you leave comments.

This website uses Google Analytics.It uses cookies to help the website analyze how you use the site. You can manage the functionality by disabling cookies.