Malware: XTunnel

Description

[XTunnel](https://attack.mitre.org/software/S0117) a VPN-like network proxy tool that can relay traffic between a C2 server and a victim. It was first seen in May 2013 and reportedly used by [APT28](https://attack.mitre.org/groups/G0007) during the compromise of the Democratic National Committee. (Citation: Crowdstrike DNC June 2016) (Citation: Invincea XTunnel) (Citation: ESET Sednit Part 2)

External References

• mitre-attack
• Crowdstrike DNC June 2016
• Invincea XTunnel
• ESET Sednit Part 2
• Symantec APT28 Oct 2018

Techniques Used by This Malware

• T1008 — Fallback Channels
• T1027 — Obfuscated Files or Information
• T1027.016 — Junk Code Insertion
• T1046 — Network Service Discovery
• T1059.003 — Windows Command Shell
• T1090 — Proxy
• T1552.001 — Credentials In Files
• T1573.002 — Asymmetric Cryptography

APT Groups Using This Malware

• APT28