HackTheBox - Poison

IppSec · Beginner ·🔐 Cybersecurity ·7y ago
00:56 - Start of recon, use Bootstrap XSL Script to make nmap pretty 03:10 - Looking at nmap in web browser 03:52 - Navigating to the web page, and testing all the pages. 06:25 - Testing for LFI 07:00 - Using PHP Filters to view the contents of php file through LFI (Local File Inclusion) 08:40 - Testing for RFI (Remote File Inclusion) [not vuln] 10:00 - Code Execution via LFI + phpinfo() 14:45 - Modifying the PHP-LFI Script code to get it working 17:10 - Debugging the script to see why tmp_name couldn't be found 20:12 - Shell returned! 21:25 - Looking at pwdbackup.txt and decoding 13 times to get password. 23:37 - SSH into the box (Do not privesc right away!) 24:29 - Getting shell via Log Poisoning 26:39 - Whoops. Broke the exploit, because of bad PHP Code... We'll come back to this! (42:50) 28:47 - Begin of PrivEsc, grabbing secret.zip off 32:38 - Searching for processes running as root, find VNC 33:49 - Setting up SSH Tunnels without exiting SSH Session. 37:43 - Something weird happend... Setting up SSH Tunnels manually. 40:10 - PrivEsc: VNC through the SSH Tunnel, passing the encrypted VNC Password 41:40 - Decrypting the VNC Password because we can. 42:50 - Examining the log file to see why our Log Poison Failed, then doing the Log Poison
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Uploads from IppSec · IppSec · 55 of 60

1 HHC2016 - Analytics
HHC2016 - Analytics
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2 HackTheBox - October
HackTheBox - October
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3 HackTheBox - Arctic
HackTheBox - Arctic
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4 HackTheBox - Brainfuck
HackTheBox - Brainfuck
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5 HackTheBox - Bank
HackTheBox - Bank
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6 HackTheBox - Joker
HackTheBox - Joker
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7 HackTheBox - Lazy
HackTheBox - Lazy
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8 Camp CTF 2015 - Bitterman
Camp CTF 2015 - Bitterman
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9 HackTheBox - Devel
HackTheBox - Devel
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10 Reversing Malicious Office Document (Macro) Emotet(?)
Reversing Malicious Office Document (Macro) Emotet(?)
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11 HackTheBox - Granny and Grandpa
HackTheBox - Granny and Grandpa
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12 HackTheBox - Pivoting Update: Granny and Grandpa
HackTheBox - Pivoting Update: Granny and Grandpa
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13 HackTheBox - Optimum
HackTheBox - Optimum
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14 HackTheBox - Charon
HackTheBox - Charon
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15 HackTheBox - Sneaky
HackTheBox - Sneaky
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16 HackTheBox - Holiday
HackTheBox - Holiday
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17 HackTheBox - Europa
HackTheBox - Europa
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18 Introduction to tmux
Introduction to tmux
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19 HackTheBox - Blocky
HackTheBox - Blocky
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20 HackTheBox - Nineveh
HackTheBox - Nineveh
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21 HackTheBox - Jail
HackTheBox - Jail
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22 HackTheBox - Blue
HackTheBox - Blue
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23 HackTheBox - Calamity
HackTheBox - Calamity
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24 HackTheBox - Shrek
HackTheBox - Shrek
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25 HackTheBox - Mirai
HackTheBox - Mirai
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26 HackTheBox - Shocker
HackTheBox - Shocker
IppSec
27 HackTheBox - Mantis
HackTheBox - Mantis
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28 HackTheBox - Node
HackTheBox - Node
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29 HackTheBox - Kotarak
HackTheBox - Kotarak
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30 HackTheBox - Enterprise
HackTheBox - Enterprise
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31 HackTheBox - Sense
HackTheBox - Sense
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32 HackTheBox - Minion
HackTheBox - Minion
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33 VulnHub - Sokar
VulnHub - Sokar
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34 VulnHub - Pinkys Palace v2
VulnHub - Pinkys Palace v2
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35 HackTheBox - Inception
HackTheBox - Inception
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36 Vulnhub - Trollcave 1.2
Vulnhub - Trollcave 1.2
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37 HackTheBox - Ariekei
HackTheBox - Ariekei
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38 HackTheBox - Flux Capacitor
HackTheBox - Flux Capacitor
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39 HackTheBox - Jeeves
HackTheBox - Jeeves
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40 HackTheBox - Tally
HackTheBox - Tally
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41 HackTheBox - CrimeStoppers
HackTheBox - CrimeStoppers
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42 HackTheBox - Fulcrum
HackTheBox - Fulcrum
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43 HackTheBox - Chatterbox
HackTheBox - Chatterbox
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44 HackTheBox - Falafel
HackTheBox - Falafel
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45 How To Create Empire Modules
How To Create Empire Modules
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46 HackTheBox - Nightmare
HackTheBox - Nightmare
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47 HackTheBox - Nightmarev2  - Speed Run/Unintended Solutions
HackTheBox - Nightmarev2 - Speed Run/Unintended Solutions
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48 HackTheBox - Bart
HackTheBox - Bart
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49 HackTheBox -  Aragog
HackTheBox - Aragog
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50 HackTheBox - Valentine
HackTheBox - Valentine
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51 HackTheBox - Silo
HackTheBox - Silo
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52 HackTheBox - Rabbit
HackTheBox - Rabbit
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53 HackTheBox - Celestial
HackTheBox - Celestial
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54 HackTheBox - Stratosphere
HackTheBox - Stratosphere
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HackTheBox - Poison
HackTheBox - Poison
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56 HackTheBox - Canape
HackTheBox - Canape
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57 HackTheBox - Olympus
HackTheBox - Olympus
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58 HackTheBox - Sunday
HackTheBox - Sunday
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59 HackTheBox - Fighter
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60 HackTheBox - Bounty
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Chapters (21)

0:56 Start of recon, use Bootstrap XSL Script to make nmap pretty
3:10 Looking at nmap in web browser
3:52 Navigating to the web page, and testing all the pages.
6:25 Testing for LFI
7:00 Using PHP Filters to view the contents of php file through LFI (Local File In
8:40 Testing for RFI (Remote File Inclusion) [not vuln]
10:00 Code Execution via LFI + phpinfo()
14:45 Modifying the PHP-LFI Script code to get it working
17:10 Debugging the script to see why tmp_name couldn't be found
20:12 Shell returned!
21:25 Looking at pwdbackup.txt and decoding 13 times to get password.
23:37 SSH into the box (Do not privesc right away!)
24:29 Getting shell via Log Poisoning
26:39 Whoops. Broke the exploit, because of bad PHP Code... We'll come back to this
28:47 Begin of PrivEsc, grabbing secret.zip off
32:38 Searching for processes running as root, find VNC
33:49 Setting up SSH Tunnels without exiting SSH Session.
37:43 Something weird happend... Setting up SSH Tunnels manually.
40:10 PrivEsc: VNC through the SSH Tunnel, passing the encrypted VNC Password
41:40 Decrypting the VNC Password because we can.
42:50 Examining the log file to see why our Log Poison Failed, then doing the Log Po
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