ESET’s EternalBlue Vulnerability Checker

A free tool released by ESET ‘to help combat the recent ransomware, WannaCry (WannaCryptor).’

The press release goes on to say that:

ESET’s EternalBlue Vulnerability Checker can be used to determine whether your Windows machine is patched against EternalBlue, the exploit behind the WannaCry ransomware epidemic that is still being used to spread cryptocurrency mining software and other malware.

This obviously isn’t the only way to check, and it may not be the only tool of its kind out there – I haven’t been looking for such a tool. And clearly, checking for a specific vulnerability isn’t a substitute for a sound patching strategy, or for using security software that detects malware (including WannaCryptor) reasonably reliably. But while I haven’t tested it personally, I’d be very surprised (in view of my longstanding association with ESET) if this tool didn’t do what it says on the tin, so some people and organizations might well find this useful.

David Harley

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