HighSigmaHQ Rory Duncan

Potential SSH Tunnel Persistence Install Using A Scheduled Task

Detects the creation of new scheduled tasks via commandline, using Schtasks.exe. This rule detects tasks creating that call OpenSSH, which may indicate the creation of reverse SSH tunnel to the attacker's server.

Detection logic

Detection requirements

Platform: Windows
The rule states no platform. This is derived from the ATT&CK technique it maps to.
Log source product: windows
Log source category: process_creation

Known benign triggers

Unknown

References

Links the source published beside this detection. Reference is the link the source wrote, unmodified. Class is decided by this catalogue from the host and path, not stated by the source. Cited by counts published detections citing the same resource, including this one, and the sources beneath it count the repositories this catalogue ingests, which is not the same as independent research.
Reference	Class	Cited by
thedfirreport.com/2023/10/30/netsupport-intrusion-results-in-domain-compromise/	Threat report	11from 3 sources
www.kroll.com/en/insights/publications/cyber/cactus-ransomware-prickly-new-variant-evades-detection	Unclassified	Only this detection cites it

Detection rules

Potential SSH Tunnel Persistence Install Using A Scheduled Task

Detection logic

Detection requirements

Known benign triggers

MITRE ATT&CK mappings

References

From the source

Licence

Authorship

Detection rules