https://blog.e-valente.io/tags/malware-analysis/Recent content in Malware-Analysis on Emanuel's BlogHugoen-usWed, 19 Aug 2026 12:00:00 -0300https://blog.e-valente.io/posts/2026-08-19-aray-yara-validation/Wed, 19 Aug 2026 12:00:00 -0300https://blog.e-valente.io/posts/2026-08-19-aray-yara-validation/<p>A YARA rule is easy to share. The malware sample used to prove that the rule works often is not.</p> <p>That gap matters in detection engineering. Teams need positive fixtures to test scanners, alerting, incident-response automation, disaster-recovery workflows, and CI pipelines. Using live malware for those tests creates a separate operational problem: isolated infrastructure, handling controls, retention policy, and specialist oversight. A useful test artifact must satisfy the rule without reproducing the behavior of the malware that originally triggered it.</p>