CallMe is a Trojan designed to run on Apple OSX. It is based on a publicly available tool called Tiny SHell. [1]

ID: S0077
Platforms: macOS
Version: 1.1
Created: 31 May 2017
Last Modified: 30 March 2020

Techniques Used

Domain ID Name Use
Enterprise T1059 .004 Command and Scripting Interpreter: Unix Shell

CallMe has the capability to create a reverse shell on victims.[1]

Enterprise T1573 .001 Encrypted Channel: Symmetric Cryptography

CallMe uses AES to encrypt C2 traffic.[1]

Enterprise T1041 Exfiltration Over C2 Channel

CallMe exfiltrates data to its C2 server over the same protocol as C2 communications.[1]

Enterprise T1105 Ingress Tool Transfer

CallMe has the capability to download a file to the victim from the C2 server.[1]

Groups That Use This Software

ID Name References
G0029 Scarlet Mimic