963feaa502c831f043f3c3397d80bd6369812151
Home.md
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| 43 | 43 | ## projects |
| 44 | 44 | - [pyratenet](projects/pyratenet) |
| 45 | 45 | - [startpage](projects/startpage) |
| 46 | +- [hackthebox](projects/hackthebox) |
|
| 46 | 47 | |
| 47 | 48 | ## technology |
| 48 | 49 |
projects/hackthebox.md
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| 1 | +# hack the box |
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| 2 | + |
|
| 3 | +## invite code |
|
| 4 | +url: https://www.hackthebox.eu/invite |
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| 5 | + |
|
| 6 | +- inspect invite code input box element |
|
| 7 | + - find script 'src="/js/inviteapi.min.js"' |
|
| 8 | +- navigate to script url (https://www.hackthebox.eu/js/inviteapi.min.js) |
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| 9 | +- run 'makeInviteCode' function in browser console |
|
| 10 | + - expand Object output |
|
| 11 | + - decode data string (base64) |
|
| 12 | + ``` |
|
| 13 | + echo <string> | base64 -d - |
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| 14 | + ``` |
|
| 15 | + - output gives '/api/invite/generate' |
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| 16 | +- use `curl` to send POST request |
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| 17 | + ``` |
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| 18 | + curl -X POST https://www.hackthebox.eu/api/invite/generate |
|
| 19 | + ``` |
|
| 20 | + - output gives us encoded code string |
|
| 21 | +- decode code string |
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| 22 | + ``` |
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| 23 | + echo <string> | base64 -d - |
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| 24 | + ``` |
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| 25 | +- copy invite code into input box and submit |
|
| 26 | + |
|
| 27 | +## web |
|
| 28 | +### lernaean (20 pts) |
|
| 29 | +- open url:port provided from instance |
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| 30 | +- proxy page through burpsuite |
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| 31 | + - submit password to see response |
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| 32 | + - submit root is '/' |
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| 33 | + - response containse 'Invalid password!' string |
|
| 34 | +- lernaean is the hydra from greek mythology |
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| 35 | +- hydra is a password bruteforce tool |
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| 36 | +- run a password list through hydra |
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| 37 | + ``` |
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| 38 | + hydra -l "" -P <pass_list> -s <port> -f docker.hackthebox.eu http-post-form "/:password=^PASS^:Invalid password\!" |
|
| 39 | + ``` |
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| 40 | + - `-l` : user (blank as no username field) |
|
| 41 | + - `-P` : password file (used common-passwords.txt first with no luck, success with rockyou.txt) |
|
| 42 | + - `-s` : port |
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| 43 | + - `-f` : exit when creds found |
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| 44 | + - url (from instance) |
|
| 45 | + - service |
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| 46 | + - root of submit, tell it to use passwords from file, login failed message (escape the !) |
|
| 47 | +- once password is found submit in field |
|
| 48 | +- this displays a new page |
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| 49 | +- check response in burp to find HTB flag |
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| 50 | + |