SPHijacker

First seen
2018-03-01 00:00:00
Malware type
rootkit
Profile updated
2026-07-07 13:06:02

Context

According to Trend Micro, this is a tool designed to disable security products, adopting two approaches to achieve this purpose. One approach terminates the security product process by using a vulnerable driver, zamguard64.sys, published by Zemana (vulnerability designated as CVE-2018-5713). Meanwhile, another approach disables process launching by using a new technique that they named stack rumbling.

Detection coverage

  • 1 YARA rules

Exploited vulnerabilities

  • CVE-2018-5713 (vulnerability)

Detection rules

  • MALPEDIA_Win_Sphijacker_Auto (yara-rule)

Reports & references

  • Trend Micro — Attack On Security Titans Earth Longzhi Returns With New Tricks (report)
  • malpedia.caad.fkie.fraunhofer.de — Win.Sphijacker (report)

External references