nmap/ncrack

Health v2 · maintenance only

Flags: no_license

Adoption not part of the score

1220 stars · 270 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded

Ncrack is a high-speed network authentication cracking tool from the Nmap project, designed to audit hosts and network devices for weak passwords. It supports many protocols including SSH, RDP, HTTP, SMB, and various databases, with a modular architecture and Nmap-like command-line syntax.

Use cases

• audit network hosts for weak passwords
• bruteforce SSH credentials during a pentest
• test RDP and VNC logins for poor passwords
• large-scale password auditing of multiple hosts
• check database services like MySQL and PostgreSQL for default credentials
• security audit of client networks

When to choose

• you need fast, large-scale credential auditing across many hosts and protocols
• you want Nmap-style CLI syntax and runtime interaction
• you need a modular tool you can extend with custom protocol modules

When to avoid

• you need a general vulnerability scanner rather than authentication testing
• you want a GUI-based password auditing tool
• your use case is offline password hash cracking rather than network authentication

Facets

cli-tool · maturity active

security penetration-testing cli security penetration-testing networking developer-tools windows cli cross-platform password-cracking bruteforce network-audit credential-testing nmap-family linux macos

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For agents

markdown · JSON · MCP: product_card(name="nmap/ncrack")