From 872475ff9e49647f980b18a7b9aa4aa3e774f527 Mon Sep 17 00:00:00 2001 From: ARZ <60057481+AbdullahRizwan101@users.noreply.github.com> Date: Thu, 8 Apr 2021 04:07:01 +0500 Subject: [PATCH] Add files via upload --- TryHackMe/Team.md | 116 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 116 insertions(+) create mode 100644 TryHackMe/Team.md diff --git a/TryHackMe/Team.md b/TryHackMe/Team.md new file mode 100644 index 0000000..feeff70 --- /dev/null +++ b/TryHackMe/Team.md @@ -0,0 +1,116 @@ +# TryHackMe-Team + +## Rustscan + +```bash +PORT STATE SERVICE REASON VERSION +21/tcp open ftp syn-ack ttl 63 vsftpd 3.0.3 +22/tcp open ssh syn-ack ttl 63 OpenSSH 7.6p1 Ubuntu 4ubuntu0.3 (Ubuntu Linux; protocol 2.0) +| ssh-hostkey: +| 2048 79:5f:11:6a:85:c2:08:24:30:6c:d4:88:74:1b:79:4d (RSA) +| ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDRK/xFh/H4lC7shWUUvK9lKxd3VO2OwfsC8LjFEU2CnEUrbVCnzx8jiVp5gO+CVAj63+GXkbIuXpynlQ/4j1dXdVUz/yAZ96cHiCNo6S5ThO +NoG2g2ObJSviCX2wBXhUJEzW07mRdtx4nesr6XWMj9hwIlSfSBS2iPEiqHfGrjp14NjG6Xmq5hxZh5Iq3dBrOd/ZZKjGsHe+RElAMzIwRK5NwFlE7zt7ZiANrFSy4YD4zerNSyEnjPdnE6/ArBmq +OFtsWKZ2p/Wc0oLOP7d6YBwQyZ9yQNVGYS9gDIGZyQCYsMDVJf7jNvRp/3Ru53FMRcsYm5+ItIrgrx5GbpA+LR +| 256 af:7e:3f:7e:b4:86:58:83:f1:f6:a2:54:a6:9b:ba:ad (ECDSA) +| ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBBM4d9TCz3FkEBEJ1VMjOsCrxsbS3YGb7mu9WgtnaFPZs2eG4ssCWz9nWeLolFgvHyT5WxRT0S +FSv3vCZCtN86I= +| 256 26:25:b0:7b:dc:3f:b2:94:37:12:5d:cd:06:98:c7:9f (ED25519) +|_ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIHUxjoul7JvmqQMtGOuadBwi2mBVCdXhJjoG5x+l+uQn +80/tcp open http syn-ack ttl 63 Apache httpd 2.4.29 ((Ubuntu)) +| http-methods: +|_ Supported Methods: GET POST OPTIONS HEAD +|_http-server-header: Apache/2.4.29 (Ubuntu) +|_http-title: Apache2 Ubuntu Default Page: It works! If you see this add 'te... +Warning: OSScan results may be unreliable because we could not find at least 1 open and 1 closed port + +``` + +## PORT 80 (HTTP) + + + +We'll see a domain + + + + + + + +Checking `robots.txt` we'll find a text `dale` not sure if it's a username or a directory + + + + +Next I ran `feroxbuster` on the domain but it didn't find anything interesting + + + +Then doing recursive fuzzing on `/scripts` found a text file + + + + + +So by doing doing a GET request for `sciprt.old` we can download a file + + + + + +And we get the creds for ftp server + + + +In `workshare` directorty we have another file + + + + + +Add the subdomain in `/etc/hosts` + + + + + + + +We can see that paramter is grabbing a file so if not properly santized it will lead to LFI + + + +Reading the note that gayle left for dale was about "config file " so I tried to view ssh config file + + + +Here we can see dale's id_rsa , so now we can ssh into the box + + + +Doing `sudo -l ` we can run a script as `gayle` + + + + + + +I uploaded `pspy64` on the machine and ran it and found that a script was running as root + + + +If we look in the script + + + +It's running two scripts , we can only edit `/usr/local/bin/main_backup.sh` + + + +Here I just inserted a command to make bash a SUID now we wait for couple of seconds + + + +We can see the `s` flag on bash which means it's now a SUID , if we run bash with `-p` it will with the user who owns the binary + + \ No newline at end of file