Threat Group Cards: A Threat Actor Encyclopedia
Archived: 2026-04-05 16:21:56 UTC
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 Tool: SystemBC
Names
SystemBC
Coroxy
DroxiDat
Category Malware
Type Backdoor, Tunneling
Description
(Sophos) First seen in 2019, SystemBC is a proxy and remote administrative tool, named by
researchers after the string in the URI its control panel used. It acts both as a network proxy for
concealed communications and as a remote administration tool (RAT)—capable of executing
Windows commands, and delivering and executing scripts, malicious executables and dynamic
link libraries (DLLs). After being dropped by other malware, it provides attackers with a
persistent backdoor.
While SystemBC has been around for over a year, we’ve seen both its use and its features
continue to evolve. The most recent samples of SystemBC carry code that, instead of acting
essentially as a virtual private network via a SOCKS5 proxy, uses the Tor anonymizing
network to encrypt and conceal the destination of command and control traffic.
Information
Malpedia Last change to this tool card: 06 March 2024
Download this tool card in JSON format
All groups using tool SystemBC
Changed Name Country Observed
https://apt.etda.or.th/cgi-bin/listgroups.cgi?u=dd23b5ad-bb56-45fb-9376-dc12ba4147bb
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APT groups
  Sprite Spider, Gold Dupont [Unknown] 2015-Nov 2022  
1 group listed (1 APT, 0 other, 0 unknown)
Source: https://apt.etda.or.th/cgi-bin/listgroups.cgi?u=dd23b5ad-bb56-45fb-9376-dc12ba4147bb
https://apt.etda.or.th/cgi-bin/listgroups.cgi?u=dd23b5ad-bb56-45fb-9376-dc12ba4147bb
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