Signal
DragonForce ransomware operators exploit Microsoft Teams relay to conceal command traffic
Evidence first: scan the strongest sources, then decide whether to go deeper.
Published 2026-06-17 17:29 UTCUpdated 2026-06-18 13:30 UTC
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Evidence trail (top sources)
top sources (2 domains)domains are deduped. counts indicate coverage, not truth.2 top sources shown
limited source diversity in top sources
Overview
The DragonForce ransomware group has been observed using a custom remote access trojan named Backdoor.Turn to hide command-and-control (C2) traffic within Microsoft Teams relay infrastructure.
Entities
MicrosoftSymantecCarbon BlackBackdoor.Turn
Score total
1.03
Momentum 24h
2
Posts
2
Origins
2
Source types
1
Duplicate ratio
0%
Why now
- This technique was recently observed in an attack on a major U.S. services firm.
- Microsoft Teams is widely used, making it an attractive vector for stealthy malware communications.
- Early detection of such abuse can help prevent ransomware spread and data breaches.
Why it matters
- Threat actors leveraging trusted collaboration platforms complicate detection and mitigation efforts.
- Use of Microsoft Teams relay for C2 traffic shows increasing sophistication in ransomware tactics.
- Organizations must monitor and secure collaboration tools to prevent abuse by malware.
LLM analysis
Topic mix: lowPromo risk: lowSource quality: medium
Recurring claims
- DragonForce ransomware operators use Microsoft Teams relay infrastructure to hide command-and-control traffic.
How sources frame it
- The Hacker News: neutral
All evidence
All evidence
DragonForce Hackers Abuse Microsoft Teams Relays to Hide Backdoor.Turn C2 Traffic
thehackernews · thehackernews.com · 2026-06-18 13:30 UTC
Attackers drop DragonForce ransomware leveraging MS Teams relay systems
SC Media · scworld.com · 2026-06-17 17:29 UTC
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Posts loaded: 0Publishers: 2Origin domains: 2Duplicates: -
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Top publishers (this list)
- thehackernews (1)
- SC Media (1)
Top origin domains (this list)
- thehackernews.com (1)
- scworld.com (1)