Malicious Fake Fortinet Patch Infostealer Execution (via process_creation)

ATT&CK techniques

Defense Evasion → Cred Access

Recon
Resource Dev
Initial Access
Execution
Persistence
Priv Esc
Defense Evasion
- T1036.005Match Legitimate Resource Name or Location
Cred Access
- T1555.003Credentials from Web Browsers
Discovery
Lateral Movement
Collection
C2
Exfiltration
Impact

What it detects

This rule detects execution of a binary named FortiEndpoint_Patch.exe, the EKZ infostealer masqueraded as a Fortinet endpoint patch. It was delivered after FortiClient EMS exploitation to harvest browser credentials and cookies.

Reporting behind it

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Malicious Fake Fortinet Patch Infostealer Execution (via process_creation)

Pivot detection · T1036.005 · 9 related

Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.

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