LowSigmaHQ Florian Roth (Nextron Systems)

Network Connection Initiated To Mega.nz

Detects a network connection initiated by a binary to "api.mega.co.nz". Attackers were seen abusing file sharing websites similar to "mega.nz" in order to upload/download additional payloads.

Detection logic

Detection requirements

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

Known benign triggers

Legitimate MEGA installers and utilities are expected to communicate with this domain. Exclude hosts that are known to be allowed to use this tool.

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
megatools.megous.com	Unclassified	Only this detection cites it
www.mandiant.com/resources/russian-targeting-gov-business	Threat report	Only this detection cites it

Detection rules

Network Connection Initiated To Mega.nz

Detection logic

Detection requirements

Known benign triggers

MITRE ATT&CK mappings

References

From the source

Licence

Authorship

Detection rules