HackTheBox - Celestial

IppSec · Intermediate ·🛡️ AI Safety & Ethics ·7y ago
00:58 - Begin of Recon 03:00 - Looking at the web application and finding the Serialized Cookie 04:38 - Googling for Node JS Deserialization Exploits 06:30 - Start of building our payload 07:10 - Examining Node-Serialize to see what the heck _$$ND_FUNC$$_ is 09:10 - Moving our serialized object to "Name", hoping to get to read stdout 11:30 - Really busing the deserialize function by removing the Immediately Invokked Expression (IIFE) 13:25 - Failing to convert an object (stdout) to string. 14:02 - Verifying code execution via ping 15:32 - Code execution verified, gaining a shell (Get a shell via NodeJSShell at end of video) 18:49 - Reverse shell returned, running LinEnum.sh 21:26 - Examining logs to find the Cron Job running as root 22:09 - Privesc by placing a python root shell in script.py 24:15 - Going back and getting a shell with NodeJSShell
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Uploads from IppSec · IppSec · 53 of 60

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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
IppSec
 12 HackTheBox - Pivoting Update: Granny and Grandpa
HackTheBox - Pivoting Update: Granny and Grandpa
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 13 HackTheBox - Optimum
HackTheBox - Optimum
IppSec
 14 HackTheBox - Charon
HackTheBox - Charon
IppSec
 15 HackTheBox - Sneaky
HackTheBox - Sneaky
IppSec
 16 HackTheBox - Holiday
HackTheBox - Holiday
IppSec
 17 HackTheBox - Europa
HackTheBox - Europa
IppSec
 18 Introduction to tmux
Introduction to tmux
IppSec
 19 HackTheBox - Blocky
HackTheBox - Blocky
IppSec
 20 HackTheBox - Nineveh
HackTheBox - Nineveh
IppSec
 21 HackTheBox - Jail
HackTheBox - Jail
IppSec
 22 HackTheBox - Blue
HackTheBox - Blue
IppSec
 23 HackTheBox - Calamity
HackTheBox - Calamity
IppSec
 24 HackTheBox - Shrek
HackTheBox - Shrek
IppSec
 25 HackTheBox - Mirai
HackTheBox - Mirai
IppSec
 26 HackTheBox - Shocker
HackTheBox - Shocker
IppSec
 27 HackTheBox - Mantis
HackTheBox - Mantis
IppSec
 28 HackTheBox - Node
HackTheBox - Node
IppSec
 29 HackTheBox - Kotarak
HackTheBox - Kotarak
IppSec
 30 HackTheBox - Enterprise
HackTheBox - Enterprise
IppSec
 31 HackTheBox - Sense
HackTheBox - Sense
IppSec
 32 HackTheBox - Minion
HackTheBox - Minion
IppSec
 33 VulnHub - Sokar
VulnHub - Sokar
IppSec
 34 VulnHub - Pinkys Palace v2
VulnHub - Pinkys Palace v2
IppSec
 35 HackTheBox - Inception
HackTheBox - Inception
IppSec
 36 Vulnhub - Trollcave 1.2
Vulnhub - Trollcave 1.2
IppSec
 37 HackTheBox - Ariekei
HackTheBox - Ariekei
IppSec
 38 HackTheBox - Flux Capacitor
HackTheBox - Flux Capacitor
IppSec
 39 HackTheBox - Jeeves
HackTheBox - Jeeves
IppSec
 40 HackTheBox - Tally
HackTheBox - Tally
IppSec
 41 HackTheBox - CrimeStoppers
HackTheBox - CrimeStoppers
IppSec
 42 HackTheBox - Fulcrum
HackTheBox - Fulcrum
IppSec
 43 HackTheBox - Chatterbox
HackTheBox - Chatterbox
IppSec
 44 HackTheBox - Falafel
HackTheBox - Falafel
IppSec
 45 How To Create Empire Modules
How To Create Empire Modules
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 46 HackTheBox - Nightmare
HackTheBox - Nightmare
IppSec
 47 HackTheBox - Nightmarev2 - Speed Run/Unintended Solutions
HackTheBox - Nightmarev2 - Speed Run/Unintended Solutions
IppSec
 48 HackTheBox - Bart
HackTheBox - Bart
IppSec
 49 HackTheBox - Aragog
HackTheBox - Aragog
IppSec
 50 HackTheBox - Valentine
HackTheBox - Valentine
IppSec
 51 HackTheBox - Silo
HackTheBox - Silo
IppSec
 52 HackTheBox - Rabbit
HackTheBox - Rabbit
IppSec
 ▶ HackTheBox - Celestial
HackTheBox - Celestial
IppSec
 54 HackTheBox - Stratosphere
HackTheBox - Stratosphere
IppSec
 55 HackTheBox - Poison
HackTheBox - Poison
IppSec
 56 HackTheBox - Canape
HackTheBox - Canape
IppSec
 57 HackTheBox - Olympus
HackTheBox - Olympus
IppSec
 58 HackTheBox - Sunday
HackTheBox - Sunday
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 59 HackTheBox - Fighter
HackTheBox - Fighter
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 60 HackTheBox - Bounty
HackTheBox - Bounty
IppSec

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Chapters (14)

0:58 Begin of Recon
3:00 Looking at the web application and finding the Serialized Cookie
4:38 Googling for Node JS Deserialization Exploits
6:30 Start of building our payload
7:10 Examining Node-Serialize to see what the heck _$$ND_FUNC$$_ is
9:10 Moving our serialized object to "Name", hoping to get to read stdout
11:30 Really busing the deserialize function by removing the Immediately Invokked Ex
13:25 Failing to convert an object (stdout) to string.
14:02 Verifying code execution via ping
15:32 Code execution verified, gaining a shell
18:49 Reverse shell returned, running LinEnum.sh
21:26 Examining logs to find the Cron Job running as root
22:09 Privesc by placing a python root shell in script.py
24:15 Going back and getting a shell with NodeJSShell
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