Alfredo Santo

Introduction to John The Ripper

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Alfredo Santo

Home
Walkthroughs
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- Hackthebox
  Hackthebox
  - Challenges
    
    Challenges
    
    Easy
    
    Easy
    
    Onlyhacks
    
    Onlyhacks
  - Machines
    
    Machines
    
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    Easy
    
    Code
    
    Code
    
    Dog
    
    Dog
    
    Titanic
    
    Titanic
    
    Twomillion
    
    Twomillion
    
    Underpass
    
    Underpass
    
    Medium
    
    Medium
    
    Strutted
    
    Strutted
    
    Hard
    
    Hard
- Tryhackme
  Tryhackme
  - Easy
    
    Easy
    
    Billing
    
    Billing
    
    Blue
    
    Blue
    
    Compiled
    
    Compiled
    
    Evil gpt
    
    Evil gpt
    
    Pickle rick
    
    Pickle rick
    
    The game
    
    The game
  - Medium
    
    Medium
    
    Attacktive directory
    
    Attacktive directory
    
    Net sec challenge
    
    Net sec challenge
    
    Rabbitstore
    
    Rabbitstore
    
    Valenfind
    
    Valenfind
    
    Windows privesc 10
    
    Windows privesc 10
    
    Windows privesc 20
    
    Windows privesc 20
  - Hard
    
    Hard
    
    Reset
    
    Reset
- Pwn college
  Pwn college
Certifications
Certifications
- CPTS
  CPTS
  - Penetration testing process
    
    Penetration testing process
    
    Pre Engagement
    
    Vulnerability Assessment
    
    Post-Exploitation
    
    Post Engagement
  - Getting started
    
    Getting started
    
    Getting Started with a Pentest Distro
    
    Basic Tools
    
    Service Scanning
    
    Web Enumeration
    
    Privilege Escalation
    
    Public Exploits
    
    Nibbles - Enumeration
    
    Nibbles - Web Footprinting
    
    Nibbles Initial Foothold
    
    Nibbles Privilege Escalation
    
    Knowledge Check
  - Network enumeration with nmap
    
    Network enumeration with nmap
    
    [Protected] Host Discovery
    
    [Protected] Host and Port Scanning
    
    [Protected] Saving the Results
    
    [Protected] Service Enumeration
    
    [Protected] Nmap Scripting Engine
    
    [Protected] Firewall and IDS/IPS Evasion Easy Lab
    
    [Protected] Firewall and IDS/IPS Evasion Medium Lab
    
    [Protected] Firewall and IDS IPS Evasion Hard Lab
  - Footprinting
    
    Footprinting
    
    [Protected] FTP
    
    [Protected] SMB
    
    [Protected] NFS
    
    [Protected] DNS
    
    [Protected] SMTP
    
    [Protected] IMAP POP3
    
    [Protected] SNMP
    
    [Protected] MySQL
    
    [Protected] MSSQL
    
    [Protected] Oracle TNS
    
    [Protected] IPMI
    
    [Protected] Footprinting Lab - Easy
    
    [Protected] Footprinting Lab - Medium
    
    [Protected] Footprinting Lab Hard
  - Information gathering web edition
    
    Information gathering web edition
    
    [Protected] WHOIS
    
    [Protected] Digging DNS
    
    [Protected] Subdomain Bruteforcing
    
    [Protected] DNS Zone Transfer
    
    [Protected] Virtual Hosts
    
    [Protected] Fingerprinting
    
    [Protected] Creepy Crawlies
    
    [Protected] Web Archives
    
    [Protected] Skills Assessment
  - Vulnerability assessment
    
    Vulnerability assessment
    
    Nessus Skills Assessment
    
    OpenVAS Skills Assessment
  - File transfer
    
    File transfer
    
    Windows File Transfer Methods
    
    Linux File Transfer Methods
  - Shell payloads
    
    Shell payloads
    
    Anatomy of a Shells
    
    Bind Shells
    
    Reverse Shells
    
    Automating Payloads & Delivery with Metasploit
    
    Infiltrating Windows
    
    Infiltrating Unix/Linux
    
    Antak Webshell
    
    Laudanum, One Webshell to Rule Them All
    
    PHP Web Shells
  - Using metasploit framework
    
    Using metasploit framework
  - Password attacks
    
    Password attacks
    
    Introduction to Password Cracking
    
    [Protected] Introduction to John The Ripper [Protected] Introduction to John The Ripper
    Table of contents
    
    ℹ️ Informations
    
    ❓Question
    
    📋 Walkthrough
    
    Network Services
    
    Password Mutations
    
    Password Reuse Default Passwords
    
    [Protected] Attacking SAM
    
    [Protected] Attacking LSASS
    
    [Protected] Attacking Active Directory & NTDS.dit
    
    [Protected] Credential Hunting in Windows
    
    [Protected] Credential Hunting in Linux
    
    Passwd Shadow & Opasswd
    
    Pass the Hash (PtH)
    
    Pass the Ticket (PtT) from Windows
    
    Pass the Ticket (PtT) from Linux
    
    Protected Files
    
    Protected Archives
    
    Password Attacks Lab - Easy
    
    Password Attacks Lab - Medium
    
    Password Attacks Lab - Hard
  - Attacking common services
    
    Attacking common services
    
    Attacking FTP
    
    Attacking SMB
    
    Attacking SQL Databases
    
    Attacking RDP
    
    Attacking DNS
    
    Attacking Email Services
    
    Attacking Common Services - Easy
    
    Attacking Common Services - Medium
    
    Attacking Common Services - Hard
  - Pivoting tunneling and port forwarding
    
    Pivoting tunneling and port forwarding
    
    The Networking Behind Pivoting
    
    Dynamic Port Forwarding with SSH and SOCKS Tunneling
    
    Remote/Reverse Port Forwarding with SSH
    
    Meterpreter Tunneling & Port Forwarding
    
    Socat Redirection with a Reverse Shell
    
    Socat Redirection with a Bind Shell
    
    Web Server Pivoting with Rpivot
    
    Port Forwarding with Windows Netsh
    
    DNS Tunneling with Dnscat2
    
    SOCKS5 Tunneling with Chisel
    
    RDP and SOCKS Tunneling with SocksOverRDP
    
    Skills Assessment
  - Ad enumeration & attacks
    
    Ad enumeration & attacks
    
    [Protected] External Recon and Enumeration Principles
    
    [Protected] Initial Enumeration of the Domain
    
    [Protected] LLMNR/NBT-NS Poisoning - from Linux
    
    [Protected] LLMNR/NBT-NS Poisoning - from Windows
    
    [Protected] Enumerating & Retrieving Password Policies
    
    [Protected] Password Spraying - Making a Target User List
    
    [Protected] Internal Password Spraying - from Linux
- eJPT
  eJPT
  - Assessment methodologies
    
    Assessment methodologies
    
    Information gathering
    
    Information gathering
    
    Information Gathering CTF 1
    
    Footprinting scanning
    
    Footprinting scanning
    
    Footprinting and Scanning CTF 1
    
    Auditing Fundamentals
    
    Enumeration
    
    Enumeration
    
    Enumeration CTF 1
    
    Vulnerability assessment
    
    Vulnerability assessment
    
    Vulnerability Assessment CTF 1
  - Host & network penetration testing
    
    Host & network penetration testing
    
    System host based attacks
    
    System host based attacks
    
    Cron Jobs Gone Wild II
    
    System-Host Based Attacks CTF 1
    
    System-Host Based Attacks CTF 2
    
    Network based attacks
    
    Network based attacks
    
    Network-Based Attacks CTF 1
    
    The metasploit framework
    
    The metasploit framework
    
    The Metasploit Framework CTF 1
    
    The Metasploit Framework CTF 2
    
    Penetration testing exploitation
    
    Penetration testing exploitation
    
    Penetration Testing Exploitation CTF 1
    
    Penetration Testing Exploitation CTF 2
    
    Penetration Testing Exploitation CTF 3
    
    Post exploitation
    
    Post exploitation
    
    Post-Exploitation CTF 1
    
    Post-Exploitation CTF 2
  - Web application penetration testing
    
    Web application penetration testing
    
    Introduction to the web http protocol
    
    Introduction to the web http protocol
    
    Web Application Penetration Testing CTF 1
- CEH
  CEH
  - Cheatsheet
    
    Cheatsheet
  - Module 01
    
    Module 01
  - Module 02
    
    Module 02
  - Module 03
    
    Module 03
- PT1
  PT1
CTFs
CTFs
- CSAW CTF 2011
  CSAW CTF 2011
  - Crypto
    Crypto
    
    Crypto1
    
    Crypto1
    
    Crypto2
    
    Crypto2
    
    Crypto3
    
    Crypto3
    
    Crypto4
    
    Crypto4
    
    Crypto5
    
    Crypto5
    
    Crypto6
    
    Crypto6
    
    Crypto7
    
    Crypto7
    
    Crypto8
    
    Crypto8
    
    Crypto9
    
    Crypto9
    
    Crypto10
    
    Crypto10
  - Web
    Web
    
    Web1
    
    Web1
- CTF Try Out
  CTF Try Out
  - Forensiscs
    Forensiscs
    
    An unusual sighting
    
    An unusual sighting
  - Web
    Web
    
    Flag command
    
    Flag command
    
    Jailbreak
    
    Jailbreak
    
    Timekorp
    
    Timekorp
    
    Guild
    
    Guild
Cheatsheets
Cheatsheets
Resources
Resources
- Active Directory Tools
- Hacking Resources
Blog
Blog
- Archive
  Archive
  - 2025

Table of contents

ℹ️ Informations
❓Question
📋 Walkthrough

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January 26, 2026 January 26, 2026

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