Signal

Turla deploys new StockStay backdoor in espionage targeting Ukraine and Italy

Evidence first: scan the strongest sources, then decide whether to go deeper.

Published 2026-06-26 07:15 UTCUpdated 2026-06-26 22:03 UTC
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cveexploitsmalwarethreat_actorsincident_response
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Evidence trail (top sources)
top sources (4 domains)domains are deduped. counts indicate coverage, not truth.
4 top sources shown
Turla group adds more malware to Russia’s espionage efforts against Ukraine
The Record (Recorded Future News) · News · therecord.media · 2026-06-26 13:30 UTC
Overview

The Russian state-sponsored threat actor Turla has developed and deployed a new .NET-based backdoor named StockStay against government and military targets in Ukraine, as well as entities linked to Italian foreign policy.

Entities
Google Threat Intelligence GroupStockStay
Score total
1.46
Momentum 24h
4
Posts
4
Origins
4
Source types
1
Duplicate ratio
0%
Why now
  • StockStay is a newly documented backdoor actively deployed in current conflicts.
  • Recent disclosures by multiple cybersecurity sources provide fresh intelligence.
  • Understanding this malware aids timely defense against evolving Russian cyber operations.
Why it matters
  • Highlights ongoing Russian cyber-espionage efforts targeting Ukraine and allied interests.
  • Reveals use of advanced malware techniques like secure WebSocket communication for stealth.
  • Informs defenders about a new threat actor tool for improved detection and response.
LLM analysis
Topic mix: lowPromo risk: lowSource quality: high
Recurring claims
  • Turla has deployed a new .NET backdoor named StockStay against Ukrainian government and military targets.
  • StockStay communicates with its command-and-control servers via secure WebSocket connections.
How sources frame it
  • Google Threat Intelligence Group: neutral
All evidence
All evidence
Turla group deploys new STOCKSTAY backdoor against Ukraine and Italy
SC Media · scworld.com · 2026-06-26 22:03 UTC
Turla group adds more malware to Russia’s espionage efforts against Ukraine
The Record (Recorded Future News) · therecord.media · 2026-06-26 13:30 UTC
Russian APT Deploys ‘StockStay’ Backdoor Against Ukrainian Targets
SecurityWeek · securityweek.com · 2026-06-26 08:55 UTC
Google Details Turla's New STOCKSTAY Backdoor Used in Ukraine Espionage Attacks
thehackernews · thehackernews.com · 2026-06-26 07:15 UTC
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Posts loaded: 0Publishers: 4Origin domains: 4Duplicates: -
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Top publishers (this list)
  • SC Media (1)
  • The Record (Recorded Future News) (1)
  • SecurityWeek (1)
  • thehackernews (1)
Top origin domains (this list)
  • scworld.com (1)
  • therecord.media (1)
  • securityweek.com (1)
  • thehackernews.com (1)