WannaCry Déjà Vu: Petya Ransomware Outbreak Wreaking Havoc Across the Globe

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in the articles that i have read & in the news on tv about this attack i did not really see any mention of a specific os being targeted.

unless i missed it while reading / watching so please enlighten me.

if i am not wrong wannacry jacked up xp & 7 mostly, is it the same this time? or is this new attack crippling 10 too?

UNPATCHED XP through 10 specific builds.

If it is the same attack as the WannaCry one, then:

The system must be actively using SMBv1 and port 445 open. If the system does not meet these requirements, then it is not immenintly at-risk regardless of the OS or if unpatched.

99.99 %, or higher, of home users do not use SMB.

Initial reports are not always accurate - so you have to check days later sometimes after all the details have been sorted out to obtain correct infos on the attack.

 

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If the attack used the ETERNALROMANCE exploit of SMBv1, then I am unaware of any patch for it by Microsoft. The patch against the exploit could already have been published and pushed, but I just don't know if that is indeed the case.

Once again, system must be using SMBv1 and port 445. If it isn't, then it is not imminently at-risk.

99.99 %, or higher, of home users do not use SMB.