Hunting Rituals #5: Why hypothesis-based threat hunting is essential in cybersecurity

This blog post describes a hypothesis-driven threat hunt that uncovered a USB-spreading malware sample which achieved persistence by creating/modifying Windows Run registry keys, copying itself to a randomly named temp executable, and overwriting iexplore.exe; the malware evaded antivirus detection. The report walks through query construction, baselining to reduce noise, process and file-creation analysis, and provides hunting queries and indicators useful for detection and response.