Samurai
Techniques Used |
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| Domain | ID | Name | Use | |
|---|---|---|---|---|
| Enterprise | T1071 | .001 | Application Layer Protocol: Web Protocols |
Samurai can use a .NET HTTPListener class to receive and handle HTTP POST requests.(Citation: Kaspersky ToddyCat June 2022) |
| Enterprise | T1059 | .003 | Command and Scripting Interpreter: Windows Command Shell |
Samurai can use a remote command module for execution via the Windows command line.(Citation: Kaspersky ToddyCat June 2022) |
| Enterprise | T1543 | .003 | Create or Modify System Process: Windows Service |
Samurai can create a service at `HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\SvcHost` to trigger execution and maintain persistence.(Citation: Kaspersky ToddyCat June 2022) |
| Enterprise | T1132 | .001 | Data Encoding: Standard Encoding |
Samurai can base64 encode data sent in C2 communications prior to its encryption.(Citation: Kaspersky ToddyCat June 2022) |
| Enterprise | T1573 | .001 | Encrypted Channel: Symmetric Cryptography |
Samurai can encrypt C2 communications with AES.(Citation: Kaspersky ToddyCat June 2022) |
| Enterprise | T1036 | .005 | Masquerading: Match Legitimate Name or Location |
Samurai has created the directory `%COMMONPROGRAMFILES%\Microsoft Shared\wmi\` to contain DLLs for loading successive stages.(Citation: Kaspersky ToddyCat June 2022) |
| Enterprise | T1027 | .004 | Obfuscated Files or Information: Compile After Delivery |
Samurai can compile and execute downloaded modules at runtime.(Citation: Kaspersky ToddyCat June 2022) |
| .007 | Obfuscated Files or Information: Dynamic API Resolution |
Samurai can encrypt API name strings with an XOR-based algorithm.(Citation: Kaspersky ToddyCat June 2022) |
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