semgrep-rule-variant-creator
Semgrep Rule Variant Creator
When to Use
- Extending an existing Semgrep rule to cover additional vulnerability patterns
- A rule catches one variant but misses similar patterns in different syntax
- Adapting rules from one framework/language to another
- Broadening detection after a specific vulnerability is found
- Creating a family of related rules from a single exemplar
When NOT to Use
- Writing rules from scratch (use semgrep-rule-creator)
- Complex cross-function data flow (use CodeQL)
- Rules for non-code files
Variant Creation Workflow
1. Analyze the Original Rule
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