Malware and forensics
File Hashes in DFIR and the Ethics of Uploading to VirusTotal
Learn how hashes identify files, why SHA-256 replaced MD5, how NSRL filters known software, and why uploading a file to VirusTotal shares it.
Beginner10 min read
Malware and forensics
How analysts study malicious code and what a system remembers after an incident.
Malware and forensics
Write a YARA Rule Against a Benign Test File
Write a first YARA rule, match one harmless test file and not another, and learn why every rule needs positive and negative tests.
Beginner9 min read
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In the chat, or install the CLI and run notholy login in your terminal.
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