XTunnel

Internal ID: win.xtunnel

aliases

Last seen:Mar 17, 2026

Intelligence Profile

X-Tunnel is a network proxy tool that implements a custom network protocol encapsulated in the TLS protocol.

Threat Analysis

XTunnel is a malware family tracked by threat intelligence researchers and catalogued in the Malpedia dataset. It represents a distinct malicious software lineage with identifiable code characteristics, behaviors, and victimology.

External References

→http://download.microsoft.com/download/4/4/C/44CDEF0E-7924-4787-A56A-16261691ACE3/Microsoft_Security_Intelligence_Report_Volume_19_English.pdf

→http://www.welivesecurity.com/wp-content/uploads/2016/10/eset-sednit-part-2.pdf

→https://contagiodump.blogspot.de/2017/02/russian-apt-apt28-collection-of-samples.html

→https://netzpolitik.org/2015/digital-attack-on-german-parliament-investigative-report-on-the-hack-of-the-left-party-infrastructure-in-bundestag/

→https://securelist.com/apt-trends-report-q2-2020/97937/

→https://securelist.com/big-threats-using-code-similarity-part-1/97239/

→https://symantec-blogs.broadcom.com/blogs/election-security/apt28-espionage-military-government

→https://www.crowdstrike.com/blog/bears-midst-intrusion-democratic-national-committee/

→https://www.root9b.com/sites/default/files/whitepapers/R9b_FSOFACY_0.pdf

→https://www.root9b.com/sites/default/files/whitepapers/root9b_follow_up_report_apt28.pdf

Quick Facts

TypeMalware Family

Aliases1

Also Known As

win.xtunnel

Research Links

MITRE ATT&CK VirusTotal Google (news) Twitter/X search

Data sourced from Malpedia, Ransomware.live, RansomLook, and CTIWATCH OSINT collection. Actor attribution is based on available intelligence and may be incomplete.

← All Threat Actors·Geopolitics Map·Search XTunnel