K57181937: Multiple Microsoft SMB (Wannacry/Wannacrypt/Petya/Goldeneye) vulnerabilities

Security Advisory Description CVE-2017-0143 The SMBv1 server in Microsoft Windows Vista SP2; Windows Server 2008 SP2 and R2 SP1; Windows 7 SP1; Windows 8.1; Windows Server 2012 Gold and R2; Windows RT 8.1; and Windows 10 Gold, 1511, and 1607; and Windows Server 2016 allows remote attackers to...

How to mitigate rapid cyberattacks such as Petya and WannaCrypt

In the first blog post of this 3-part series, we introduced what rapid cyberattacks are and illustrated how rapid cyberattacks are different in terms of execution and outcome. In the second blog post, we provided some details on Petya and how it worked. In this final blog post, we will share:...

How to mitigate rapid cyberattacks such as Petya and WannaCrypt

In the first blog post of this 3-part series, we introduced what rapid cyberattacks are and illustrated how rapid cyberattacks are different in terms of execution and outcome. In the second blog post, we provided some details on Petya and how it worked. In this final blog post, we will share:...

Overview of rapid cyberattacks

Rapid cyberattacks like Petya and WannaCrypt have reset our expectations on the speed and scope of damage that a cyberattack can inflict. The Microsoft Enterprise Cybersecurity Group Detection and Response team worked extensively to help customers respond to and recover from these kinds of attack...

Overview of rapid cyberattacks

Rapid cyberattacks like Petya and WannaCrypt have reset our expectations on the speed and scope of damage that a cyberattack can inflict. The Microsoft Enterprise Cybersecurity Group Detection and Response team worked extensively to help customers respond to and recover from these kinds of attack...

未更新のシステム脆弱性を狙う WannaCrypt ランサムウェア

本記事は、Windows Security のブログ “WannaCrypt ransomware worm targets out-of-date systems” 2017 年 5 月 12 日 米国時間...

A week in security (July 31 – August 6)

Last week we explored some basic PowerShell commands, dived into the new methods used by TrickBot, and wrote at length about the Magnitude exploit kit redirection chain. Our teams were busy at both BlackHat and DefCon, and outside of those famous hallways, we also took time to fire up some basic...

Exploring the crypt: Analysis of the WannaCrypt ransomware SMB exploit propagation

Note: Read our latest comprehensive report on ransomware: Ransomware 1H 2017 review: Global outbreaks reinforce the value of security hygiene. On May 12, there was a major outbreak of WannaCrypt ransomware. WannaCrypt directly borrowed exploit code from the ETERNALBLUE exploit and the DoublePulsa...

Analysis of the Shadow Brokers release and mitigation with Windows 10 virtualization-based security

On April 14, a group calling themselves the Shadow Brokers caught the attention of the security community by releasing a set of weaponized exploits. Shortly thereafter, one of these exploits was used to create wormable malware that we now know as WannaCrypt, which targeted a large number of...

BSA-2017-338

Security Advisory ID : BSA-2017-338 Component : N/A Revision : 1.0: Final A ransomware calledWannaCryinfected computers in several countries. Computers that became infected had not been patched. Microsoft released a security bulletin on March 14th, 2017, titled Microsoft Security Bulletin MS17-01...

Microsoft Issues WanaCrypt Patch for Windows 8, XP

Microsoft Corp. today took the unusual step of issuing security updates to address flaws in older, unsupported versions of Windows -- including Windows XP and Windows 8. The move is a bid to slow the spread of the WanaCrypt ransomware strain that infected tens of thousands of Windows computers...

HackerOne: WannaCrypt “Killswitch”

WannaCrypt a.k.a. WannaCry is the name of a malware used in the May 2017 global ransomware attack targeting Microsoft Windows operating systems via known vulnerabilities leaked by The Shadow Brokers. In MalwareTech’s research, it was found that the malware sends an HTTP request to a seemingly...

ランサムウェア WannaCrypt 攻撃に関するお客様ガイダンス

概要 概要 2017 年 5 月 12 日 米国時間 より、マイクロソフトは、イギリスを始めとする複数の国の医療機関やその...

Customer Guidance for WannaCrypt attacks

Microsoft solution available to protect additional products Today many of our customers around the world and the critical systems they depend on were victims of malicious “WannaCrypt” software. Seeing businesses and individuals affected by cyberattacks, such as the ones reported today, was painfu...

Customer Guidance for WannaCrypt attacks

Microsoft solution available to protect additional products Today many of our customers around the world and the critical systems they depend on were victims of malicious “WannaCrypt” software. Seeing businesses and individuals affected by cyberattacks, such as the ones reported today, was painfu...

WannaCrypt ransomware worm targets out-of-date systems

Note: Read our latest comprehensive report on ransomware: Ransomware 1H 2017 review: Global outbreaks reinforce the value of security hygiene. On May 12, 2017 we detected a new ransomware that spreads like a worm by leveraging vulnerabilities that have been previously fixed. While security update...

Microsoft Windows SMB Server Multiple Vulnerabilities (4013389)

This host is missing a critical security update according to Microsoft Bulletin MS17-010WannaCrypt SPDX-FileCopyrightText: 2017 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier:...