Samurai

MITRE
Malware Type:
Other
First seen:
Unknown
Last seen:
Unknown
Details:

[Samurai](https://attack.mitre.org/software/S1099) is a passive backdoor that has been used by [ToddyCat](https://attack.mitre.org/groups/G1022) since at least 2020. [Samurai](https://attack.mitre.org/software/S1099) allows arbitrary C# code execution and is used with multiple modules for remote administration and lateral movement.(Citation: Kaspersky ToddyCat June 2022)

Associated Techniques (19)
ID ATT&CK Tactics
T1005 Data from Local System -
T1012 Query Registry -
T1027 Obfuscated Files or Information -
T1027.004 Compile After Delivery -
T1027.007 Dynamic API Resolution -
T1027.015 Compression -
T1036.005 Match Legitimate Resource Name or Location -
T1059.003 Windows Command Shell -
T1071.001 Web Protocols -
T1083 File and Directory Discovery -
T1090 Proxy -
T1095 Non-Application Layer Protocol -
T1105 Ingress Tool Transfer -
T1106 Native API -
T1112 Modify Registry -
Used by Actors (1)
Metadata
ID: 487
Created: 13/01/2026 17:48
Updated: 06/03/2026 16:00