Intrusion Prevention

MS.SMB.Server.SMB1.Trans2.Secondary.Handling.Code.Execution

Description

This indicates an attack attempt to exploit a Remote Code Execution vulnerability in Microsoft SMB Servers.
The vulnerability is due to an error when the vulnerable software handles a maliciously crafted SMBv1 request. A remote attacker may be able to exploit this to execute arbitrary code within the context of the application, via a crafted request. This vulnerability was leaked as part of the Shadow Brokers leak and is code-named EternalBlue. It has been exploited in the wild and is also linked to the Wannacry ransomware attack.

Affected Products

Windows Vista
Windows Server 2008
Windows 7
Windows Server 2008 R2
Windows 8.1
Windows Server 2012 and Windows Server 2012 R2
Windows RT 8.1
Windows 10
Windows Server 2016
Windows Server Core installation option

Impact

System Compromise: Remote attackers can gain control of vulnerable systems.

Recommended Actions

Apply the most recent upgrade or patch from the vendor.
http://technet.microsoft.com/security/bulletin/MS17-010

CVE References

CVE-2017-0144

Other References

RANSOMWARE:WANNACRY