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https://github.com/AbdullahRizwan101/CTF-Writeups
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82 lines
No EOL
2.6 KiB
Markdown
82 lines
No EOL
2.6 KiB
Markdown
# TryHackMe-0day
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## NMAP
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```
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Nmap scan report for 10.10.44.55
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Host is up (0.41s latency).
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Not shown: 998 closed ports
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PORT STATE SERVICE VERSION
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22/tcp open ssh OpenSSH 6.6.1p1 Ubuntu 2ubuntu2.13 (Ubuntu Linux; protocol 2.0)
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| ssh-hostkey:
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| 1024 57:20:82:3c:62:aa:8f:42:23:c0:b8:93:99:6f:49:9c (DSA)
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| 2048 4c:40:db:32:64:0d:11:0c:ef:4f:b8:5b:73:9b:c7:6b (RSA)
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| 256 f7:6f:78:d5:83:52:a6:4d:da:21:3c:55:47:b7:2d:6d (ECDSA)
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|_ 256 a5:b4:f0:84:b6:a7:8d:eb:0a:9d:3e:74:37:33:65:16 (ED25519)
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80/tcp open http Apache httpd 2.4.7 ((Ubuntu))
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|_http-server-header: Apache/2.4.7 (Ubuntu)
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|_http-title: 0day
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Service Info: OS: Linux; CPE: cpe:/o:linux:linux_kernel
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Service detection performed. Please report any incorrect results at https://nmap.org/submit/ .
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Nmap done: 1 IP address (1 host up) scanned in 27.55 seconds
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```
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## PORT 80
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<img src="https://imgur.com/EDnud0k.png"/>
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## Feroxbuster
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For directory fuzzing I used `feroxbuster`
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<img src="https://imgur.com/uPEPTsy.png"/>
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<img src="https://imgur.com/WoP8k8m.png"/>
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The `backup` directory has private key
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<img src="https://imgur.com/z4XnVU0.png">
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But we don't have a valid username to connect with SSH.
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## Nikto
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<img src="https://imgur.com/PzXw7Dr.png"/>
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Alternativley we could have done this with `gobuster` or with `wfuzz`
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<img src="https://imgur.com/zI7ZKQV.png"/>
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With wfuzz
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<img src="https://imgur.com/wt3yUft.png"/>
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This told us that there is a test.cgi which we can access and there is an exploit for it which is called `shellshock` vulnerability for cgi-bin.
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<img src="https://imgur.com/aG1YvUu.png"/>
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Now I launched a shell in meterpreter session through `shell` then stabilized it with python.Got the user flag now only thing left to do is privilege escalation
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## Privilege Escalation
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<img src="https://imgur.com/ieAYkPK.png"/>
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If he search an exploit for this version we will get this on exploit-db
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<img src="https://imgur.com/DyBUiNI.png"/>
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Have the exploit on your local machine and tranfer it to target through netcat or python web server
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<img src="https://imgur.com/EmcReja.png"/>
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<img src="https://imgur.com/96rP4fx.png"/>
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<img src="https://imgur.com/pLxyAfz.png"/>
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And we got root !!! |