Jeff_ITBlog

풀이 rcity18@9947d876f6e5:~$ ls -l total 4 -rw-r--r-- 1 root root 918 Mar 6 08:04 rcity19 rcity18@9947d876f6e5:~$ head rcity19 Flag components: adding one by one adding one by one adding one by one adding one by one adding one by one adding one by one adding one by one adding one by one adding one by one 뭔가 엄청나게 많은 것같다 rcity18@9947d876f6e5:~$ git log commit 7599ad53e055ece5b61ef8b81f149940187bd35f..

풀이 rcity17@9947d876f6e5:~$ ls rcity18 rcity17@9947d876f6e5:~$ cat rcity18 Initial commit Add feature A Add feature B 별 다른 내용 없다 rcity17@9947d876f6e5:~$ git log commit ace1b3e50dc2d3e51d56174ae9df97751b28317a (HEAD -> master) Author: rcity17 Date: Wed Mar 6 08:04:14 2024 +0000 Add feature B by Alice commit 6c18974e94e36f197b21d1229eaab6c6da6b6d42 Author: rcity17 Date: Wed Mar 6 08:04:14 2024 +000..

풀이 rcity16@9947d876f6e5:~$ ls -al total 36 drwxr-xr-x 1 root root 4096 Mar 6 08:04 . drwxr-xr-x 1 root root 4096 Mar 6 08:03 .. -rw-r--r-- 1 root root 220 Jan 6 2022 .bash_logout -rw-r--r-- 1 root root 3771 Jan 6 2022 .bashrc dr-xrw---- 8 rcity16 root 4096 Mar 6 08:04 .git -rw-rw-r-- 1 rcity16 rcity16 34 Mar 6 08:04 .gitconfig -rw-r--r-- 1 root root 807 Jan 6 2022 .profile -rw-r--r-- 1 root root..

풀이 rcity15@9947d876f6e5:~$ ls rcity14-flag.txt rcity15-data.bin rcity15@9947d876f6e5:~$ file rcity15-data.bin rcity15-data.bin: data rcity15@9947d876f6e5:~$ xxd rcity15-data.bin 00000000: 273b 3673 353f 3234 733a 2073 2965 0260 ';6s5?24s: s)e.` 00000010: 3e6b 0b67 2062 1466 3b6a 0164 3763 1f0a >k.g b.f;j.d7c.. 00000020: 0a6b 6579 2069 7320 3533 0a .key is 53. rcity15-data.bin 이라는 바이너리 파일이 있는데 파일..

풀이 rcity14@35e08a7255bf:~$ ls rcity13-flag.txt rcity14@35e08a7255bf:~$ pwd /home/rcity14 rcity14@35e08a7255bf:~$ cd /home/rcity15 rcity14@35e08a7255bf:/home/rcity15$ ls rcity14-flag.txt rcity15-data.bin rcity14@35e08a7255bf:/home/rcity15$ cat rcity14-flag.txt cat: rcity14-flag.txt: Permission denied rcity15의 홈 디렉토리에 들어가서 확인하려고 하니 Permission denied 가 떳다 간단히 sudo -l 을 이용하여 문제를 풀 수 있을 것 같다 현재 계정의 s..

풀이 rcity13@35e08a7255bf:~$ ls -al total 48 drwxr-xr-x 1 root root 4096 Mar 6 08:04 . drwxr-xr-x 1 root root 4096 Mar 6 08:03 .. -rw-r--r-- 1 root root 220 Jan 6 2022 .bash_logout -rw-r--r-- 1 root root 3817 Mar 6 08:04 .bashrc -rw-r--r-- 1 root root 807 Jan 6 2022 .profile -r-sr-x--- 1 rcity14 rcity13 16448 Mar 6 08:04 rcity13-binary rcity13@35e08a7255bf:~$ file rcity13-binary rcity13-binary: se..

풀이 rcity12@35e08a7255bf:~$ head rcity12-flag1.txt Lorem ipsum dolor sit amet, consectetur adipiscing elit. Sed blandit elit quis bibendum consectetur. Sed elementum, libero ut rhoncus auctor, metus purus vestibulum arcu, eu eleifend nunc augue et est. Integer ultricies vel ipsum eu varius. Nunc blandit lacus ac tellus fringilla, a accumsan mi pellentesque. Etiam bibendum varius justo. Quisque a ..

풀이 rcity11@35e08a7255bf:~$ ls -l total 8 -r--r----- 1 root rcity11 1876 Mar 6 08:04 id_rsa.rcity12 -rw-r--r-- 1 root root 1556 Mar 6 08:04 wordlist.txt 우선 ssh 접속한 이후에 파일을 확인한다 문제에서 wordlist.txt 를 다운 받을 수 있지만 id_rsa.rcity12를 이동 시켜야하기 때문에 rcity11이 아닌 호스트에서 진행하기 위하여 scp 를 이용하여 파일을 가져와 준다 ┌──(root㉿kali)-[~/raccoon/rcity/11] └─# scp -P 31338 rcity11@ctf.redraccoon.kr:/home/rcity11/* . rcity11@ctf.red..

풀이 압축파일이 겹겹히 압축되어있는 것으로 추정된다 rcity10@f5532245be95:~$ ls flag.txt rcity10@f5532245be95:~$ mkdir /tmp/20240331 rcity10@f5532245be95:~$ cd /tmp/20240331 rcity10@f5532245be95:/tmp/20240331$ ls rcity10@f5532245be95:/tmp/20240331$ cp /home/rcity10/flag.txt . rcity10@f5532245be95:/tmp/20240331$ ls flag.txt rcity10@f5532245be95:/tmp/20240331$ 7z x flag.txt 7-Zip [64] 16.02 : Copyright (c) 1999-2016 Igor..

풀이 rcity9@04d1eb9322c1:~$ ls flag.txt nmap-result.txt rcity9@04d1eb9322c1:~$ cat flag.txt U2FsdGVkX1+leDPhZC2pHbHzQIm53MhRqDVCJb2LcjMP1GDsGRCyOwImPRC8WlYt rcity9@04d1eb9322c1:~$ head nmap-result.txt 21/tcp open FTP Microsoft ftpd v.1.3 22/tcp open ssh OpenSSH 7.9 (protocol 2.0) 23/tcp open telnet Linux telnetd 25/tcp open smtp Postfix smtpd 53/tcp open domain ISC BIND 9.8.2rc1-RedHat-9.8.2-0.62...