I'd like to thank my co-author, Martin Zugec, for his valuable contributions to this report. This intrusion adds three dimensions to the public understanding of Chinese APT activity in contested ...

IntroductionOn March 1, 2026, ThreatLabz observed new activity from a China-nexus threat actor targeting countries in the Persian Gulf region. The activity took place within the first 24 hours of the ...

Hackers are impersonating IT staff in Microsoft Teams to trick employees into installing malware, giving attackers stealthy access to corporate networks. Microsoft Teams impersonation and social ...

IntroductionThreat actors often take advantage of major global events to fuel interest in their malicious activities. Zscaler ThreatLabz is diligently tracking a surge in cybercriminal activity that ...

The size of the reflective loader is approximately 4KB. Does not release the memory that was allocated by the injector, nor does it remove any existing RWX permissions set by the user injector, if ...

We publish the best academic work (that's too often lost to peer reviews & the TA's desk) to the global tech community byEScholar: Electronic Academic Papers for Scholars@escholar byEScholar: ...

For years, the Middle East has maintained its reputation as a fertile ground for advanced persistent threats (APTs). In the midst of routine monitoring of suspicious activities on the systems of ...

E-commerce industries in South Korea and the U.S. are at the receiving end of an ongoing GuLoader malware campaign, cybersecurity firm Trellix disclosed late last month. The malspam activity is ...