To use YARA rules in Delphi, you will need to use the Yara unit, which is part of the Delphi YARA library. This unit provides classes and functions that allow you to compile, match, and manipulate YARA rules in Delphi.
Here is an example of how you might use the Yara unit to compile and match YARA rules in Delphi:
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uses Yara; var Rule: TYaraRule; Rules: TYaraRules; Matches: TYaraMatchArray; i: Integer; begin // Create a new TYaraRule instance Rule := TYaraRule.Create; // Set the rule identifier Rule.Identifier := ‘MyRule’; // Set the rule string Rule.RuleString := ‘rule MyRule { condition: false }’; // Compile the rule Rule.Compile; // Add the rule to a list of rules Rules := TYaraRules.Create; Rules.Add(Rule); // Match the rules against a file Matches := Rules.Match(‘C:\MyFile.txt’); // Output the matching rules for i := 0 to Length(Matches) – 1 do WriteLn(‘Rule ‘, Matches[i].Rule.Identifier, ‘ matched.’); // Free the TYaraRules instance Rules.Free; end; |
In this example, we create a new TYaraRule instance, set the identifier and rule string, and compile the rule. We then add the rule to a list of rules and match the rules against a file. If a rule matches, its identifier is output to the console.
For more advanced usage of YARA rules in Delphi, please refer to the Delphi YARA library documentation.
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