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Home / Feed / Article

ToolShell under siege: Check Point analyzes Chinese APT Storm-2603

Threat Score:
53
Security Affairs
1 day ago
Part of cluster #1534

Overview

Storm-2603 group exploits SharePoint flaws and uses a custom C2 framework, AK47 C2, with HTTP- and DNS-based variants named AK47HTTP and AK47DNS. Check Point Research is tracking a ToolShell campaign exploiting four Microsoft SharePoint flaws, linking it to China-nexus groups APT27, APT31, and a new cluster, Storm-2603. The researchers pointed out that Storm-2603’s goals remain […]...

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Article Intelligence

Key entities and indicators for this article

COUNTRIES
China
United States
COMPANIES
Microsoft
SECURITY VENDORS
Check Point
Check Point Research
Data Breach Today UK
PLATFORMS
Microsoft SharePoint
SharePoint
APT GROUPS
APT27
APT31
Storm-2603
RANSOMWARE
LockBit
LockBit Black
Storm
MALWARE
AK47 C2
Nexus
Warlock
ATTACK TYPES
Exploitation
Exploitation of Public-Facing Applications
Ransomware
Ransomware Deployment
Remote Code Execution
MITRE ATT&CK
T1046
T1047
T1054
T1055
T1059
VULNERABILITIES
Denial of Service
Privilege Escalation
Remote Code Execution
CVES
CVE-2025-49704
CVE-2025-49706
CVE-2025-53770
CVE-2025-53771
DOMAINS
update.updatemicfosoft.com
INDUSTRIES
Cybersecurity
Information Technology
DOMAINS
update.updatemicfosoft.com
ARTICLE INFORMATION
Article #6595
Published 1 day ago
Security Affairs

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