SecJournal
  • 👋Welcome
    • SecJournal
    • About Me
  • 👨‍💻Blogs
    • My Blogs
      • Malware
        • Fake WinRAR 0-Day
        • Github 0 Days
      • Scams
        • Social Engineering
        • May Chong
        • Liu Hongtian
        • Packing Green
        • Richard Spindler
        • Ukraine
        • Coalition Tech
        • Telegram Customer Service
      • Exploits
      • Random
        • Upgrade Shells
    • Course Reviews
      • OSCP / PEN-200 Review
      • Certified Red Team Operator (CRTO) Review
      • Certified Red Team Expert (CRTE) Review
      • OSWE / WEB-300 Review
      • OSED / EXP-301 Review
  • 🔐What is Security
    • Information Security
    • Getting Started
      • CTFs
      • Hacking
  • 🖱️Website Security
    • Disclosed Bugs
      • Dutch Government
      • Algolia API Misconfiguration
    • Web
      • MVC Framework
    • SQL Injection
      • Portswigger Labs
    • Access Control
      • Portswigger Labs
    • Authentication Bypass
      • Portswigger Labs
    • Business Logic
      • Portswigger Labs
    • Information Disclosure
      • Portswigger Labs
    • Directory Traversal
      • Portswigger Labs
    • Command Injection
      • Portswigger Labs
    • File Upload Vulnerabilities
      • Portswigger Labs
    • Server-Side Request Forgery
      • Portswigger Labs
    • Cross-Origin Resource Sharing
      • Portswigger Labs
    • Cross-Site Request Forgery
      • Portswigger Labs
    • Cross-Site Scripting
      • Portswigger XSS Labs
      • Portswigger DOM-XSS Labs
    • JSON Web Tokens
      • Portswigger Labs
    • API Testing
      • Portswigger Labs
    • WebSockets
      • Portswigger Labs
    • Deserialization
      • Portswigger Labs
    • Prototype Pollution
      • Portswigger Labs
    • Server-Side Template Injection
      • Portswigger Labs
    • XXE Injection
      • Portswigger Labs
    • Web Cache Poisoning
      • Portswigger Labs
    • HTTP Request Smuggling
      • Portswigger Labs
    • OAuth Authentication
      • Portswigger Labs
  • 👀Buffer Overflows
    • Buffer Overflows
      • System Architecture
      • Compilers, Assemblers, Debuggers and Decompilers
      • Binary Security
      • Address Manipulation
    • OSCP BOF (OUTDATED)
    • Ret2Libc
    • ROP Chaining
    • Canary Bypass
    • ASLR Bypass
  • 🖥️Active Directory
    • Active Directory
    • Tools
    • Windows Authentication
    • Kerberos
      • Delegation
      • Attacking Kerberos
    • ACLs and GPOs
      • Abusing ACLs and GPOs
    • LDAP
  • ✍️Writeups
    • HTB Season 3
      • Analytics
      • Appsanity
      • Codify
      • Devvortex
      • Drive
      • Hospital
      • Manager
      • Napper
      • Surveillance
      • Visual
    • HTB Season 2
      • Authority
      • Bookworm
      • Cozyhosting
      • Cybermonday
      • Download
      • Gofer
      • Intentions
      • Keeper
      • Pilgrimage
      • Rebound
      • RegistryTwo
      • Sandworm
      • Sau
      • Zipping
    • HTB Season 1
      • Agile
      • Busqueda
      • Cerberus
      • Coder
      • Format
      • Inject
      • Mailroom
      • MonitorsTwo
      • OnlyForYou
      • PC
      • Socket
      • Snoopy
    • HackTheBox
      • Easy
        • Academy
        • Access
        • Active
        • Admirer
        • Antique
        • Arctic
        • Armageddon
        • Backdoor
        • Bank
        • Bashed
        • Bastion
        • Blue
        • Blocky
        • Blunder
        • Bounty
        • Broker
        • Buff
        • Curling
        • Doctor
        • Driver
        • Explore
        • Forest
        • FriendZone
        • Frolic
        • GoodGames
        • Granny
        • Heist
        • Help
        • Horizontall
        • Irked
        • Jerry
        • Knife
        • Laboratory
        • Legacy
        • Luanne
        • Love
        • Mirai
        • MetaTwo
        • Nest
        • Netmon
        • Networked
        • Nibbles
        • NodeBlog
        • Omni
        • OpenAdmin
        • OpenSource
        • Optimum
        • Paper
        • Pandora
        • Photobomb
        • Postman
        • Precious
        • Previse
        • RedPanda
        • Remote
        • Return
        • RouterSpace
        • Sauna
        • ScriptKiddie
        • Secret
        • Sense
        • Servmon
        • Shoppy
        • Support
        • Soccer
        • Spectra
        • Squashed
        • SteamCloud
        • Stocker
        • SwagShop
        • Tabby
        • Timelapse
        • Toolbox
        • Topology
        • Traceback
        • Trick
        • TwoMillion
        • Valentine
        • Validation
        • Wifinetic
        • Writeup
      • Medium
        • Ambassador
        • Arkham
        • Atom
        • Backend
        • BackendTwo
        • Bagel
        • Bart
        • Bastard
        • Book
        • BroScience
        • Bucket
        • Cache
        • Canape
        • Cascade
        • Catch
        • Chaos
        • Chatterbox
        • Clicker
        • Cronos
        • Devoops
        • dynstr
        • Encoding
        • Epsilon
        • Escape
        • Faculty
        • Forge
        • Forgot
        • Fuse
        • Giddy
        • Haircut
        • Hawk
        • Intelligence
        • Interface
        • Investigation
        • Jeeves
        • Json
        • Jupiter
        • Lazy
        • Lightweight
        • Magic
        • Mentor
        • Meta
        • Monteverde
        • Nineveh
        • Noter
        • Obscurity
        • October
        • Ophiuchi
        • Outdated
        • Passage
        • Pit
        • Poison
        • Popcorn
        • Querier
        • Ransom
        • Resolute
        • Retired
        • Schooled
        • Scrambled
        • Shared
        • Shibboleth
        • Silo
        • SolidState
        • StreamIO
        • TartarSauce
        • Tenet
        • TheNotebook
        • Time
        • Unattended
        • Undetected
        • Unicode
        • Union
        • UpDown
        • Vault
      • Hard
        • Acute
        • Blackfield
        • BreadCrumbs
        • CarpeDiem
        • Extension
        • Falafel
        • Flight
        • Holiday
        • Kotarak
        • Mantis
        • Monitors
        • Object
        • Oouch
        • Pikaboo
        • Pollution
        • Quick
        • RainyDay
        • Reel
        • Registry
        • Search
        • Seventeen
        • Talkative
        • Unobtainium
        • Vessel
        • Zipper
      • Insane
        • Absolute
        • Anubis
        • APT
        • BrainFuck
        • CrossFit
        • Derailed
        • Fighter
        • Fulcrum
        • Hathor
        • Multimaster
        • pivotapi
        • Sekhmet
        • Sink
        • Sizzle
        • Stacked
    • Proving Grounds Practice
      • Windows
        • Access
        • Algernon
        • AuthBy
        • BillyBoss
        • Butch
        • Craft
        • Craft2
        • DVR4
        • Heist
        • Helpdesk
        • Hutch
        • Internal
        • Jacko
        • Kevin
        • Medjed
        • Nickel
        • Resourced
        • Shenzi
        • Slort
        • Squid
        • Symbolic
        • Vault
        • Vector
      • Linux
        • Apex
        • BadCorp
        • Banzai
        • Blackgate
        • Bratarina
        • Breakout
        • BunyIP
        • Cassios
        • Catto
        • Charlotte
        • Chatty
        • ClamAV
        • Cobweb
        • CookieCutter
        • Deployer
        • Depreciated
        • Develop
        • Dibble
        • Escape
        • Exfiltrated
        • Exghost
        • Fail
        • Fantastic
        • Flasky
        • Forward
        • Hawat
        • Hetemit
        • Hunit
        • Illusion
        • Injecto
        • KeyVault
        • G00g
        • Malbec
        • Mantis
        • Maria
        • Matrimony
        • Megavolt
        • Muddy
        • Nappa
        • Nukem
        • Payday
        • Pebbles
        • Pelican
        • Peppo
        • Phobos
        • Postfish
        • PlanetExpress
        • QuackerJack
        • Readys
        • Reconstruction
        • Roquefort
        • Sirol
        • Shiftdel
        • Shifty
        • Snookums
        • Sona
        • Sorcerer
        • Spaghetti
        • Splodge
        • Surf
        • Sybaris
        • Synapse
        • Tico
        • Thor
        • Twiggy
        • UC404
        • VoIP
        • Walla
        • Wheels
        • XposedAPI
        • ZenPhoto
        • Zino
  • 🐍Evasion
    • Evasion
      • Windows Fundamentals
      • Detection
      • Malware Techniques
  • 🔺Adversary Emulation
    • Red Teaming
      • Adversary Emulation
Powered by GitBook
On this page
  • Gaining Access
  • Windows Backup
  • Privilege Escalation
  • mRemoteNG
  1. Writeups
  2. HackTheBox
  3. Easy

Bastion

PreviousBashedNextBlue

Gaining Access

Nmap scan revealed a lot of ports:

Windows Backup

When checking the SMB shares, we fnd that the Backups share does not require credentials to access.

When checking the files, we can see that there's a WindowsImageBackup directory within it.

Within it, there was a few .vhd files.

These file can actually be mounted and they do not requrie credentials at all!

From here, because this is a Windows backup, we can directly go to the C:\Windows\System32\config file to use the SYSTEM and SAM registry folders and dump the credentials via samdump2.

Then, this hash is easily cracked using hashcat.

Afterwards, we can SSH in as the L4mpje user.

Privilege Escalation

mRemoteNG

In the user's directory, I enumerated all the directories that I could using dir /all.

Within the AppData\Roaming folder, we can find some files related to mRemoteNG.

Checking the confCons.xml file, we can find an encrypted password for the Administrator.

mRemoteNG passwords can be decrypted using this repository:

Then, we can SSH in as the administrator using this password.

✍️
GitHub - haseebT/mRemoteNG-Decrypt: Python script to decrypt passwords stored by mRemoteNGGitHub
Logo