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Cyber Security Notes
  • Introduction
  • CVEs
    • CVE-2022-33106
  • Paper Reviews
    • Imperfect Forward Secrecy: How Diffie-Hellman Fails in Practice
  • Security Basics Notes
    • Identification, Authentication and Authorization
  • Enumeration and Initial Compromise
    • Methodology
    • Footprinting
    • Network Protocols
      • FTP
      • SMB
      • DNS
      • NFS
      • SMTP
      • IMAP/POP3
      • SNMP
      • MySQL
      • MSSQL
      • Oracle TNS
      • IPMI
    • Nifty One Liners
    • Brute-Force Web Pages
      • Hydra
    • Network Pentest
      • Quick SMB cheatsheet
      • SSH keypair basics
      • Compromise using SSH Key
      • Networking fundamentals Interview topics
      • nmap quick cheatsheet
      • Metasploit Quick Reference
    • Web Pentest
      • Web Pentest Interview top topics
      • Wordpress Exploitation
      • Joomla Exploitation
      • Login Bypass using Cookie Tampering/Poisoning
      • Subdomain Enumeration
      • CSRF mitigation
      • XSS mitigation
      • CSP bypass with JSONP
      • PHP Vulnerabilities
      • Python Serialization Vulnerabilities - Pickle
      • SQL Injections
        • SQLmap
      • SSTI
      • XSS
    • Buffer Overflow Prep
      • Understanding CPUs
      • Virtual Memory and Paging
      • Syscalls
      • Theorem Proving
      • Stripping readable function names
      • Insecure C functions
      • Stack Canaries
      • Linking - GOT,PLT
      • Return Oriented Programming
    • Active Directory - Basics
      • AD DS
      • Managing OUs
      • Group Policies
      • Authentications
      • Trees, Forests and Trusts
      • Kerberos
      • Attacking Kerberos
      • Priv Esc (Post Exploitation)
    • DNS/Domain Enum Masterguide
  • Post Exploitation
    • Shell Escape Techniques
    • Getting stable shell after compromise
    • Linux Privilege Escalation
      • Sudoers file
      • Sudoers entry - Yum
      • Wildcards - Basics
      • Wildcards - Chown
      • Wildcards - Tar
      • Linux Permissions & SUID/SGID/Sticky Bit
      • SUID - nmap
      • SUID - bash
      • SUID - man
      • NFS no_root_squash
      • SUID - pkexec
      • Bad permissions
    • Windows Privilege Escalation
      • SeImpersonatePrivilege Token Impersonation
      • Firefox Creds
      • Potatoes
      • Print Spooler Basics
      • Print Spooler CVE 2020-1030
      • SpoolFool
    • Data Exfiltration Post Exploitation
  • Port Forwarding Cheatsheet
  • Powershell Essentials
    • Powershell Basics
    • Powershell Enumeration
    • Powershell Port Scanner
    • Powershell One Liner Port Scanning
    • Powershell Port Scan in a given CIDR
  • Application Security
    • System Calls in Linux
    • Buffer Overflow Defenses
    • Format string vulnerabilities
    • Sample Github Actions
    • Basic Bugs in Demo Application
    • Using AFL++
  • Linux 64-bit Assembly
    • GDB Basics
      • My relevant GDB cheatsheet
      • Task 1 - Tamper strcmp logic
      • Breakpoints
      • Always starting with intel flavor
      • GDB TUI Mode
    • Basic Hello World Program
    • Registers in 64-bit
    • global directive
    • Reducing instructions and Removing NULL-> Optimizing memory in Assembly
    • Data Types
    • Endianness
    • Moving Data
    • push, pop, and the stack
    • Analysis - Writing data on memory location and referencing
    • Arithmetic Operations
    • Bitwise Logical Operations
    • Bit-Shifting Operations
    • Control Instructions
    • Loops
    • Procedures
    • Stack-Frames and Procedures
    • String Operations
    • Shellcoding basics
      • Introduction and Common Rules
      • Basic Shellcodes->Exit
      • Testing shellcode->Skeleton Code
      • Techniques-> JMP,CALL,POP
      • Techniques-> Stack
      • Techniques-> (64-bit only) RIP Relative Addressing
      • Shellcode 1 -> execve(/bin/sh) STACK PUSH
      • Shellcode 1 -> execve(/bin/sh) JMP CALL POP
      • Techniques-> XOR-Encoder
  • Cloud Security
    • Foundational Technology
    • Learning Through Project Omega
    • IAM Essentials
      • Deep dive into IAM - Part 1
    • Amazon S3
    • Risk Management & Data Controls
    • Enumeration
      • S3 - Enum Basics - PwnedLabs
      • S3 - Identify the AWS Account ID from a Public S3 Bucket
      • EBS - Loot Public EBS Volumes
      • S3- Exploit Weak Bucket Policies for Privileged Access
  • API Security
    • WSDL
  • Reverse Engineering
    • Some string Operations
    • Numbers and Inputs
    • Address inputs
    • Recursive Function
    • Crackme: level1
    • Crackme: level2
    • CTF: Memory Dereferencing
    • CTF: Monty Python
  • CTF Challenge Learnings
    • vsCTF 2024
      • Sanity Check
      • not-quite-caesar
      • Intro to reversing
    • NCL Individual 2024
      • Web Challenges
        • PiratePals
        • Pierre's Store
    • Pico CTF 2024
      • Web Exploitation
        • Bookmarklet
        • WebDecode
        • Unminify
        • Trickster
      • General Skills
        • Commitment Issues
        • Time Machine
        • Blame Game
        • Collaborative Development
        • Binary Search
        • Dont-you-love-banners
    • Sunshine CTF
      • Knowledge Repository
    • Amazon WiCys CTF
      • I am Lazy
      • Password Locker on the Web
      • Happy Birthday Card Generator
      • Bloggergate
      • simple offer
      • Bad Actor
      • Secret Server
      • Simple PCAP
      • Hidden Message
    • C code using getenv()
    • Command Injection with filter
    • Pwning
      • Shoddy_CMP
      • PLT_PlayIT
  • Applied Cryptography
    • Linear Congruential Generator
  • Tools for everything
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On this page
  • Deletion
  • Delegation
  • Powershell command to change password
  • Powershell command to make a user change password on next logon
  • Creating New OUs

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  1. Enumeration and Initial Compromise
  2. Active Directory - Basics

Managing OUs

Deletion

  1. Delete users. Go to Active Directory Users and Computers

  2. View-> Advanced Features

  3. Choose OU->Properties->Objects->Uncheck Accidental deletion

  4. Then right click on OU and delete

Delegation

One of the nice things you can do in AD is to give specific users some control over some OUs. This process is known as delegation and allows you to grant users specific privileges to perform advanced tasks on OUs without needing a Domain Administrator to step in.

One of the most common use cases for this is granting IT support the privileges to reset other low-privilege users' passwords. According to our organisational chart, Phillip is in charge of IT support, so we'd probably want to delegate the control of resetting passwords over the Sales, Marketing and Management OUs to him.

  1. Choose OU->Delegate Control

  2. Add users and groups to whom delegation is supposed to happen

  3. Choose features (like reset password on next logon

Powershell command to change password

Where sophie is the desired user whose password will be changed.

Set-ADAccountPassword sophie -Reset -NewPassword (Read-Host -AsSecureString -Prompt 'New Password') -Verbose

Powershell command to make a user change password on next logon

Set-ADUser -ChangePasswordAtLogon $true -Identity sophie -Verbose

Creating New OUs

When we go to computers in AD DS, we see laptops, PCs and servers. We can organize them neatly by creating separate OUs.

Choose domain->new->OU

We can now shift computers to respective OUs.

Choose multiple computers->right click->move->choose OUs.

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Last updated 2 years ago

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