Study Notes

Binary Exploitation
BSD
- FreeBSD
CCTV
Computer Science
Cryptography
- Asymmetric-Encryption
  - RSA
- Encoding
  - Base64
  - URL Encoding
- Hash Functions
  - MD5
- Password Hashing
  - LM Hash
- Symmetric Encryption
  - Block Ciphers
    - AES
    - DES
Defensive Security
- Elastic
- Malware Analysis
- MITRE
  - MITRE ATT&CK
- Splunk
DIY
- Cantenna
GNU / Linux
- Story
- Debian
  - Debian Package Manager
  - Firmware
- GNU coreutils
  - What is GNU coreutils
  - Basic operations
    - cp
    - dd
    - mv
    - rm
    - shred
  - Changing file attributes
    - chgrp
    - chmod
    - chown
    - touch
  - Directory listing
    - dir
    - ls
    - vdir
  - File permissions
  - File space usage
    - df
    - du
  - Output of entire files
    - base64
    - cat
    - tac
  - Output of parts of files
    - head
    - tail
  - Printing text
    - echo
    - printf
  - Process control
    - kill
  - Redirection
    - tee
  - Special file types
    - mkdir
  - Summarizing files
    - wc
  - System context
    - arch
    - date
    - hostname
    - uname
    - uptime
  - User information
    - groups
    - id
    - logname
    - pinky
    - users
    - who
    - whoami
  - Working context
    - pwd
- Linux Networking
- Shell
  - ls alieas
  - Shell Commands
  - Shell Variables
- System
  - services (daemons)
- Users
  - su (switch user)
  - Users
Hardware
- ESP32
- GPIO
- Integrated circuit
- microcontroller
- PN532
- RC522
- RTOS
K&R
- Ch 1 - A Tutorial Introduction
macOS
Networking
- Ethernet
- Networking Fundamentals
- Ports
- Pivoting
- Protocols
  - Networking Protocol?
  - ARP
  - DHCP
  - DNS
    - DNS Attacks
    - DNS Fundamentals
  - FTP
  - ICMP
  - RTSP
  - SSH
    - (0) What is SSH
    - OpenSSH
  - TCP
  - UDP
- Proxy
  - Proxy Fundamentals
- VPN
- Wireless
  - (0) Fundamentals
  - Bluetooth
  - NFC
  - RFID
  - Wi-Fi
    - Wi-Fi Alliance
Offensive Security
- Malware Development
Scripting & Automation
- DQ
- Regular Expression
- Shells
Tools
- Nmap
  - Nmap Options
  - What is Nmap
VCS
- What is VCS / Git / GitHub
- Git
- GitHub
  - GitHub Setup and Config
Virtualization
- Virtualization Fundamentals
Web Application Security
- HTTP Headers
  - Content Security Policy (CSP)
Windows
- Microsoft Management Console (MMC)
- Windows NT & MS-DOS
- Active Directory
  - AD Fundamentals
  - AD Attacks & Defense
    - AS-REProasting
    - Kerberoasting
  - AD Protocols
    - DNS in AD
    - Kerberos
    - LDAP
    - MSRPC
    - NTLM
  - AD Users
- File Systems
- Powershell
  - cmdlet
    - cmdlet (command-let)
    - cmdlet commands
      - Active Directory
        
        -Properties
        
        Get-ADGroup
        
        Get-ADUser
- Windows Event Logs
  - EventLog & Event Viewer
  - Get-WinEvent

Coreutils - GNU core utilities

The GNU Core Utilities are the basic file, shell and text manipulation utilities of the GNU operating system. These are the core utilities which are expected to exist on every operating system.

A Coreutils code structure overview is available, which is useful for educational purposes, or for those interested in contributing changes.