Martijn Lammerts
My own digital place with a little of everything

Perl-Based Shellbot Looks to Target Organizations via C&C

We uncovered an operation of a hacking group, which we’re naming “Outlaw” (translation derived from the Romanian word haiduc, the hacking tool the group primarily uses), involving the use of an IRC bot built with the help of Perl Shellbot. The group distributes the bot by exploiting a common command injection vulnerability on internet of things (IoT) devices and Linux servers. Further research indicates that the threat can also affect Windows-based environments and even Android devices.

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Windows Defender Antivirus can now run in a sandbox

Windows Defender Antivirus has hit a new milestone: the built-in antivirus capabilities in Windows can now run within a sandbox. With this new development, Windows Defender Antivirus becomes the first complete antivirus solution to have this capability and continues to lead the industry in raising the bar for security. Putting Windows Defender Antivirus in a

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The post Windows Defender Antivirus can now run in a sandbox appeared first on Microsoft Secure.

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Malware Targeting Brazil Uses Legitimate Windows Components WMI and CertUtil as Part of its Routine

We recently found a malware that abuses two legitimate Windows files — the command line utility wmic.exe  and certutil.exe, a program that manages certificates for Windows — to download its payload onto the victim’s device. What’s notable about these files is that they are also used to download other files as part of its normal set of features, making them susceptible to abuse for malicious purposes.

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Attack inception: Compromised supply chain within a supply chain poses new risks

A new software supply chain attack unearthed by Windows Defender Advanced Threat Protection (Windows Defender ATP) emerged as an unusual multi-tier case. Unknown attackers compromised the shared infrastructure in place between the vendor of a PDF editor application and one of its software vendor partners, making the apps legitimate installer the unsuspecting carrier of a

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March-April 2018 test results: More insights into industry AV tests

In a previous post, in the spirit of our commitment to delivering industry-leading protection, customer choice, and transparency on the quality of our solutions, we shared insights and context into the results of AV-TESTs January-February 2018 test cycle. We released a transparency report to help our customers and the broader security community to stay informed

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March-April 2018 test results: More insights into industry AV tests

In a previous post, in the spirit of our commitment to delivering industry-leading protection, customer choice, and transparency on the quality of our solutions, we shared insights and context into the results of AV-TESTs January-February 2018 test cycle. We released a transparency report to help our customers and the broader security community to stay informed

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Machine learning vs. social engineering

Machine learning is a key driver in the constant evolution of security technologies at Microsoft. Machine learning allows Microsoft 365 to scale next-gen protection capabilities and enhance cloud-based, real-time blocking of new and unknown threats. Just in the last few months, machine learning has helped us to protect hundreds of thousands of customers against ransomware,

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Adding transparency and context into industry AV test results

  Corporate Vice President Brad Anderson recently shared his insights on how Windows Defender Advanced Threat Protection (Windows Defender ATP) evolved to achieve important quality milestones. Our Windows Defender ATP team is committed to delivering industry-leading protection, customer choice, and transparency on the quality of our solutions. In the continued spirit of these principles, we

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