coreruleset
by coreruleset
OWASP Core Rule Set (CRS) provides a comprehensive set of generic attack detection rules for ModSecurity and compatible web application firewalls to protect web applications from a wide range of attacks with minimal false positives.
OWASP CRS (Official Repository)
Primary Use Case
This tool is primarily used by web security professionals and system administrators to enhance the security of web applications by detecting and blocking common attack vectors, including those listed in the OWASP Top Ten. It integrates with ModSecurity or compatible WAFs to provide automated intrusion detection and prevention, helping organizations reduce vulnerabilities and automate security monitoring.
- Generic attack detection rules for web applications
- Protection against OWASP Top Ten vulnerabilities
- Compatible with ModSecurity and similar web application firewalls
- Minimizes false positive alerts
- Open source and community-driven with active contributions
- Supports continuous integration with automated regression tests
- Distributed under Apache 2.0 License
- Extensive documentation and community support channels
Installation
- Visit the official OWASP CRS page at https://coreruleset.org/ for detailed installation guides.
- Download or clone the repository from GitHub: git clone https://github.com/coreruleset/coreruleset.git
- Integrate the CRS rules with your ModSecurity or compatible WAF configuration.
- Configure your web application firewall to load the CRS ruleset.
- Test the configuration using the provided regression tests or your own test cases.
- Monitor logs and tune rules to reduce false positives as needed.
Usage
>_ git clone https://github.com/coreruleset/coreruleset.gitClones the OWASP CRS repository to your local machine.
>_ Load CRS rules in ModSecurity configurationIncludes the CRS ruleset in your ModSecurity or compatible WAF setup to enable attack detection.
>_ Run regression tests via GitHub ActionsUses automated workflows to validate the integrity and effectiveness of the CRS rules.
>_ Create an issue on GitHubReport false positives, false negatives, or bugs with relevant logs and version information.
>_ Join OWASP Slack #coreruleset channelEngage with the community for support, discussions, and updates.
- Integrate OWASP CRS with CI/CD pipelines to automate detection of injection and other OWASP Top Ten vulnerabilities during development.
- Use CRS tuning and custom rule creation to reduce false positives and tailor detection to specific application contexts.
- Combine CRS with threat intelligence feeds for enhanced detection of emerging web attack patterns.
- Leverage CRS logs and alerts for purple team exercises to improve attacker-defender collaboration and refine detection rules.
- Deploy CRS alongside other WAFs and IDS tools to build a layered defense strategy for web applications.
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