What does the 'Snow' malware suite do?

'Snow' is a custom malware suite used by threat actors to steal sensitive data and achieve deep network compromise through credential theft and domain takeover. It includes components for browser extension installation, network tunneling, and backdoor functionality.

How do attackers use Microsoft Teams with this malware?

Attackers use social engineering tactics, including 'email bombing,' to create urgency, then contact targets directly via Microsoft Teams, impersonating IT helpdesk agents to trick users into installing malicious software.

Will this malware affect my personal computer?

While the primary targets appear to be organizational networks, the underlying techniques could potentially be adapted for widespread attacks. However, the current reported use case focuses on corporate environments. The 'Snow' malware specifically targets browser extensions and network tunneling, often requiring access to sensitive organizational data.

🎯 Threat Intelligence

New 'Snow' Malware Hits Teams [Inside Job]

Forget phishing emails. The latest cyber threat actors are getting cozy, using Microsoft Teams and social engineering to trick their way deep inside corporate networks. This isn't just about malware; it's about a calculated, multi-stage infiltration.

Threat Digest Apr 26, 2026 4 min read

An abstract representation of digital data streams flowing through a network, with a snowflake icon superimposed, symbolizing the 'Snow' malware.

⚡ Key Takeaways

Threat actors are increasingly weaponizing collaboration tools like Microsoft Teams for sophisticated attacks. 𝕏
The 'Snow' malware employs a multi-stage approach for deep network compromise, including credential theft and domain takeover. 𝕏
Attackers are using social engineering and disguised malicious links to trick users into installing malware. 𝕏
The use of older file-sharing tools like LimeWire for exfiltration highlights creative attacker methods. 𝕏