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Yeo Zi Wei

Incident Response and Digital Forensics Analyst

Blog posts by Yeo Zi Wei

Digital Forensics & Incident Response

XMRig Covert Ops: The Cryptomining Campaign That Abuses Trusted Access and Deploys Forensic Smokescreens

Dive into a covert Linux XMRig campaign exploiting trusted access, weaponizing PAM to create forensic smokescreens, and deploying self-unlinking payloads.

Digital Forensics & Incident Response

Signed, Sealed, Altered? Deepdive into PDF Tampering

Uncovering the validity of a PDF by utilizing some of the tools and methods to detect changes made to a PDF, and understand the limitations in proving PDF integrity.

Hunting Rituals

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

Discover how hypothesis-driven threat hunting uncovered stealthy malware. Learn why having a dedicated in-house team or leveraging expert threat hunting services is crucial for modern cybersecurity.

Unveiling USB Artifacts

Digital Forensics & Incident Response

October 10, 2024

Unveiling USB Artifacts: A Comparative Analysis

Discover how USB artifacts enhance tracking user activities on files, examining the influence of operating systems, file systems, and applications on these crucial data traces.

Patch or Peril: A Veeam Vulnerability Incident

Patch or Peril: A Veeam vulnerability incident

Delaying security updates and neglecting regular reviews created vulnerabilities that were exploited by attackers, resulting in severe ransomware consequences.