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https://github.com/AbdullahRizwan101/CTF-Writeups
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92 lines
3.5 KiB
Markdown
92 lines
3.5 KiB
Markdown
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# Vulnhub-ICMP
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## Netdiscover
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Running `netdiscover` to find IP for the target machine
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<img src="https://imgur.com/EZfLijE.png"/>
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## Rustscan
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```
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rustscan -a 192.168.1.9 -- -A -sC -sV
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.----. .-. .-. .----..---. .----. .---. .--. .-. .-.
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| {} }| { } |{ {__ {_ _}{ {__ / ___} / {} \ | `| |
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| .-. \| {_} |.-._} } | | .-._} }\ }/ /\ \| |\ |
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`-' `-'`-----'`----' `-' `----' `---' `-' `-'`-' `-'
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The Modern Day Port Scanner.
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________________________________________
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: https://discord.gg/GFrQsGy :
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: https://github.com/RustScan/RustScan :
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--------------------------------------
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🌍HACK THE PLANET🌍
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[~] The config file is expected to be at "/root/.rustscan.toml"
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[!] File limit is lower than default batch size. Consider upping with --ulimit. May cause harm to sensitive servers
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[!] Your file limit is very small, which negatively impacts RustScan's speed. Use the Docker image, or up the Ulimit with '--ulimit 5000'.
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Open 192.168.1.9:22
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Open 192.168.1.9:80
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PORT STATE SERVICE REASON VERSION
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22/tcp open ssh syn-ack ttl 64 OpenSSH 7.9p1 Debian 10+deb10u2 (protocol 2.0)
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| ssh-hostkey:
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| 2048 de:b5:23:89:bb:9f:d4:1a:b5:04:53:d0:b7:5c:b0:3f (RSA)
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| ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQC3bVoBm6Jd8SD9AJ0qjLyo0oU4cgQthlFxui+n/qXM6NYRxBcWn0gva/MDLyW1neLva6hhuKFR/6GE6PtQ1Gge9SKOzmQPGXi2RBUQaVINZu
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Ydb6Q0QR0BT3ppGMMsw8bNxluttaYIzbeK5tR4zCG8xPGss6LvLbtjfcjugxKWRF58hstDIHwtPhzYX3gnH17yN5w6NuSlpPwaCTbcFZNAqqAhoKSBBIUcZTYC5mdcp+EOR6ao3LCsk98bOxNSKz
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3RdfmN3ch1Z6NaEbR/A9DIEoeC5e+e1GG6zGoDoSET1QstiMAahrs2yIhfHVxQUhlS9upju8OrRB0yCWvE2IG3
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| 256 16:09:14:ea:b9:fa:17:e9:45:39:5e:3b:b4:fd:11:0a (ECDSA)
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| ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBJPWpmfjbTeUtsjjJTkCPHFjiq+48Q/3ZYU+H0Kc/K6S785qBs1oRncFAGFV9A0xYtaUnmnohu
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0OHP7sRJVoUR8=
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| 256 9f:66:5e:71:b9:12:5d:ed:70:5a:4f:5a:8d:0d:65:d5 (ED25519)
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|_ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIJElctLWgcGu5SJqqW0MvhE4rBIGL0YLBZYt4sg+esy/
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80/tcp open http syn-ack ttl 64 Apache httpd 2.4.38 ((Debian))
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| http-methods:
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|_ Supported Methods: GET HEAD POST OPTIONS
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|_http-server-header: Apache/2.4.38 (Debian)
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| http-title: Monitorr | Monitorr
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|_Requested resource was http://192.168.1.9/mon/
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MAC Address: 08:00:27:11:3E:2B (Oracle VirtualBox virtual NIC)
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```
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## PORT 80 (HTTP)
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<img src="https://imgur.com/1L2YU1d.png"/>
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At the bottom we can see the version of `Monitor` which is front end to display status of any web applicaiton.
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<img src="https://imgur.com/KfbuHz1.png"/>
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<img src="https://imgur.com/i2hyI93.png"/>
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We can see that path where it uploads our reverse shell
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<img src="https://imgur.com/JV7wrFq.png"/>
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Run the exploit
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<img src="https://imgur.com/rZ8nl1T.png"/>
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And setup a netcat listner also to visit where the reverse shell is uploaded
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<img src="https://imgur.com/XnNvTUw.png"/>
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We can see a note
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<img src="https://imgur.com/wNTbCCC.png"/>
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<img src="https://imgur.com/G57JRPc.png"/>
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Now running `sudo -l` we can see that we can `hping3` but with --icmp
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<img src="https://imgur.com/1AjAh8B.png"/>
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So run hping3 with icmp on localhost and send `id_rsa` and receive on localhost
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https://www.commandlinefu.com/commands/view/12851/sending-a-file-over-icmp-with-hping
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<img src="https://imgur.com/VZNf2U1.png"/>
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<img src="https://imgur.com/ETczaJc.png"/>
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