Pancham Narang

A technical postmortem-style analysis of the Cloudflare outage on 18 November 2025 describing the outage timeline, root cause chain (database permission change → feature file generation → crash), impacts, and lessons for SRE and resilience design.

A primer on binary patching: what it is, how it works, tools and techniques used for disassembly, locating code to patch, editing binaries, handling anti-patching protections, and best practices for testing and safety.

Explains differences between polymorphic and metamorphic malware and provides step-by-step approaches for analyzing each type, including runtime dumping, sandboxing, disassembly cleanup, and reconstruction of core logic.

Introduces YARA rules, their structure (meta, strings, condition), examples for detecting malware and phishing, and practical tips for writing and using YARA with tools like Python and common modifiers.