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Threat Group Cards: A Threat Actor Encyclopedia

Tool: Tunnus

Names	Tunnus QUIETCANARY Kapushka
Category	Malware
Type	Backdoor
Description	(Kaspersky) A .NET-based backdoor with the ability to run commands or perform file actions on an infected system and send the results to its command-and-control servers. So far, the infrastructure has been built using compromised sites with vulnerable Wordpress installations. According to the company’s telemetry, Tunnus activity started in March and remained active.
Information	<https://www.kaspersky.com/about/press-releases/2019_the-garden-of-forking-paths-sophisticated-apts-diversify-toolsets> <https://www.mandiant.com/resources/blog/turla-galaxy-opportunity>
MITRE ATT&CK	<https://attack.mitre.org/software/S1076>
Malpedia	<https://malpedia.caad.fkie.fraunhofer.de/details/win.quietcanary>

Last change to this tool card: 27 August 2024

Download this tool card in JSON format

All groups using tool Tunnus

Changed	Name	Country	Observed
APT groups
	Tomiris	[Unknown]	2020
	Turla, Waterbug, Venomous Bear		1996-2024

2 groups listed (2 APT, 0 other, 0 unknown)

Digital Service Security Center
Electronic Transactions Development Agency

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