Zero Day Archives
  • What is Zero Day Archives?
  • Contributors
  • Wireless Security
    • Intro to WiFi Pentesting
      • WEP Networks
      • WPS
      • WPA-PSK Networks
      • WPA & WPA2 PSK
      • WPA2 & WPA3 Enterprise Networks
      • WPA2 & WPA3-APLess
  • Reverse Engineering
    • Reverse Engineering
      • Introduction to Software Reverse Engineering
        • Introduction to Capture the Flag (CTF) Competitions
        • What are PE & Elf Binaries
        • Assembly Language for Beginner Reverse Engineers
        • Memory Registers for x86-64 (64-bit) and x86 (32-bit)
        • Reversing Tools: Command-Line Utilities for Binary Analysis
        • Reversing ELF Binaries: Techniques and Tools
      • Disassembly & Debugging
        • GDB for Reverse Engineering
        • RADARE2 for Reverse Engineering
        • GHIDRA for Reverse Engineering
        • IDA Pro for Reverse Engineering
      • Binary Exploitation
        • Buffer Overflows
          • What are Buffer Overflows and Stack Protections?
          • Commonly Exploited C Functions and Their Secure Alternatives
          • Basic Buffer Overflow in x86-64 Using GDB
        • Cryptography
          • Understanding Ciphers and Identifying Common Patterns
          • Teaching XOR Operations in Binary Exploitation
        • Return Oriented Programming (ROP)
          • Practical Guide to Exploring and Identifying Return-Oriented Programming (ROP)
        • Cracking and Patching Binaries
          • Tactics, Tools, and Procedures for Cracking and Patching Binaries
        • Ret2Win Challenges
  • Malware Analysis
    • Malware Analysis
      • Static Analysis
  • Transporting Files to/from Victims
    • Transferring Files to/from High Value Targets
      • Linux
      • Windows
      • CrackMapExec (NetExec)
  • Penetration Testing against GIT Remote Repositories
    • Targeting GIT Repositories
      • Attacking GIT
  • Network Pivoting, Port Forwarding, and Tunneling
    • Pivoting
      • Ligolo-ng
        • Basic Pivoting
        • Setup Reverse Shells through Pivot
        • Transferring Files through Pivot
      • Pivoting: Using Remote Desktop
      • ProxyChains
      • Metasploit
    • SSH Tunneling
      • SSH Local Port Forwarding
      • SSH Dynamic Port Forwarding
      • Sshuttle over SSH
    • Port Fowarding
      • Chisel Port Forwarding
      • NetSH for Port Forwarding
      • Plink for Port Forwarding
      • SoCat
      • Metasploit: Port Forwarding
  • Anti-Virus Evasion
    • Anti-Virus Evasion
      • Evasion with Metasploit
      • Evasion wtih Shellter
      • Evasion with Virus Total
  • Public Exploit Research
    • Online Exploit Research & Methods
  • Password Attacks
    • Password Attacks
      • Identifying Hashes
        • Hash Identifier Tools
      • John The Ripper
        • Cracking Passwords with John
        • Convert to Hashes with John
        • NTLM vs NTLMv2 Hashes + CrackMapExec
      • Hashcat
        • Cracking Passwords with Hashcat
      • Hydra
        • Hydra for Network Services
        • Hydra for Web Services
      • Mutating Wordlists for John & Hashcat
        • Mutating Wordlists
  • Digital Forensics & Incident Response (DFIR)
    • Digital Forensics
  • Data Science
    • Data Science/AI
  • Software Defined Radio (SDR)
    • Software Defined Radio
  • Embedded Systems Programming
    • Field Programmable Gate Arrays (FPGAs)
  • Other Resources
    • Resources for Hackers
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John The Ripper

What is John the Ripper?

John the Ripper (often referred to simply as "John") is one of the most popular password-cracking tools in the cybersecurity field. It is designed to crack password hashes using several algorithms and cracking methods such as dictionary-based attacks, brute force, and hybrid attacks. John supports a wide range of hash types, including DES, MD5, SHA-1, and more.

PreviousHash Identifier ToolsNextCracking Passwords with John

Last updated 15 days ago