We're gradually updating threat actor names in our reports to align with the new weather-themed taxonomy. Learn about Microsoft threat actor names
Backdoor:Win32/Coroxy.A
Aliases: No associated aliases
Summary
Coroxy, also known as SystemBC, is a proxy bot that attackers use to download and deploy malicious payloads. It converts an infected device into a SOCKS5 proxy to communicate with command-and-control (C2) servers through TCP using custom protocol.
This tool was first discovered in 2019 and has since evolved to target both Windows and Linux systems. Exploit kits are among the important distribution vectors of this malware.
Read the following blogs for details on related threats:
Microsoft Defender Antivirus automatically removes threats as they are detected. However, many infections can leave remnant files and system changes. Updating your antimalware definitions and running a full scan might help address these remnant artifacts.
You can also visit our advanced troubleshooting page or search the Microsoft virus and malware community for more help.
