Password Attacks

---
name: john
description: John the Ripper: offline password cracker, custom rules
category: red-team-arsenal/password-attacks
tags: [pentesting, password attacks, kali-linux, john]
author: auto-generated
created: 2026-09-04
---

# JOHN

**Category:** Password Attacks  
**Description:** John the Ripper: offline password cracker, custom rules

## Installation

```bash
# Kali Linux
sudo apt-get update && sudo apt-get install -y john

# Check installation
which john
john --version || john -h
```

## Basic Usage

```bash
# Get help
john --help
john -h

# Common usage patterns will be updated after first use
```

## Key Features

- Part of Kali Linux password attacks toolkit
- Industry-standard pentesting tool
- Active development and community support

## Common Workflows

*This section will be populated after tool usage and research*

## Pitfalls

- Always verify target authorization before scanning
- Some tools generate significant network traffic
- Check local laws regarding security testing
- Maintain operational security when running tools

## Resources

- Kali Tools: https://www.kali.org/tools/john/
- Official Documentation: Search for "john official documentation"
- Exploit-DB: https://www.exploit-db.com/

## Notes

- Auto-generated skill, will be enriched with usage patterns
- Last updated: 2026-09-04