Bandit Level 15 → Level 16

Level 15 문제

Level 15 풀이

SSH 암호화를 사용하여 localhost의 30001번 포트에 접속하는 문제이다.

 

openssl 명령어를 입력하여 ssl로 접속해주고 현재레벨의 비밀번호를 입력하면 다음 레벨의 패스워드가 나오게 된다.

bandit15@bandit:~$ openssl s_client -connect localhost:30001
CONNECTED(00000003)
depth=0 CN = localhost
verify error:num=18:self signed certificate
verify return:1
depth=0 CN = localhost
verify return:1
---
Certificate chain
 0 s:/CN=localhost

---- 중략 ----

    0040 - be 4e 26 17 58 0b 5b 17-ed a6 26 1e a1 76 fe f9   .N&.X.[...&..v..
    0050 - 1d 37 af 84 79 b5 e8 5a-1d 3e aa 2a 40 45 89 ae   .7..y..Z.>.*@E..
    0060 - e2 f9 9d 89 5a 0a f6 d0-39 e6 1d f0 75 51 48 8b   ....Z...9...uQH.
    0070 - b2 3d 22 23 4d aa 6c c6-fc a2 5e a5 c9 65 a3 6c   .="#M.l...^..e.l
    0080 - 13 80 49 57 b7 72 de 2f-74 d1 3f 64 47 a0 df 4c   ..IW.r./t.?dG..L
    0090 - 69 85 5c e1 a9 df e1 c0-76 6e ee bd 89 f4 51 9c   i.\.....vn....Q.

    Start Time: 1634013247
    Timeout   : 7200 (sec)
    Verify return code: 18 (self signed certificate)
    Extended master secret: yes
---
BfMYroe26WYalil77FoDi9qh59eK5xNr
Correct!
cluFn....

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