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Threat Group Cards: A Threat Actor Encyclopedia

Tool: Samurai

Names	Samurai
Category	Malware
Type	Reconnaissance, Backdoor, Loader, Exfiltration, Tunneling
Description	(Kaspersky) The final stage is a formerly unknown modular backdoor that we dubbed Samurai, due to a constant keyword used inside an important dictionary used by the malware to share data between its modules. The library was developed in C# and uses the .NET HTTPListener class to receive and handle HTTP POST requests, looking for specially crafted requests that carry encrypted C# source code issued by the attackers. These programs will be in turn compiled and executed during runtime.
Information	<https://securelist.com/toddycat/106799/>
MITRE ATT&CK	<https://attack.mitre.org/software/S1099>

Last change to this tool card: 19 June 2024

Download this tool card in JSON format

All groups using tool Samurai

Changed	Name	Country	Observed
APT groups
	ToddyCat		2020-2021

1 group listed (1 APT, 0 other, 0 unknown)

Digital Service Security Center
Electronic Transactions Development Agency

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