krb5 -- Multiple vulnerabilities

MIT reports: CVE-2017-11368: In MIT krb5 1.7 and later, an authenticated attacker can cause an assertion failure in krb5kdc by sending an invalid S4U2Self or S4U2Proxy request. CVE-2017-11462: RFC 2744 permits a GSS-API implementation to delete an existing security context on a second or subseque...

Tomato-Plant Security

I have a soft spot for interesting biological security measures, especially by plants. I've used them as examples in several of my books. Here's a new one: when tomato plants are attacked by caterpillars, they release a chemical that turns the caterpillars on each other: It's common for...

Introducing Linux Support for FakeNet-NG: FLARE’s Next Generation Dynamic Network Analysis Tool

Introduction In 2016, FLARE introduced FakeNet-NG, an open-source network analysis tool written in Python. FakeNet-NG allows security analysts to observe and interact with network applications using standard or custom protocols on a single Windows host, which is especially useful for malware...

CVE-2017-2292

Versions of MCollective prior to 2.10.4 deserialized YAML from agents without calling safeload, allowing the potential for arbitrary code execution on the server. The fix for this is to call YAML.safeload on input. This has been tested in all Puppet-supplied MCollective plugins, but there is a...

Threat Round-up for June 16 - June 23

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between June 16 and June 23. As with previous round-ups, this post isn't meant to be an in-depth analysis. Instead, this post will summarize the threats we've observed by highlighting key behavior characteristics,...

An Analytical Framework for Network Data: Flare

An Analytical Framework for Network Data Flare is a network analytic framework designed for data scientists, security researchers, and network professionals. Written in Python, it is designed for rapid prototyping and development of behavioral analytics, and intended to make identifying malicious...

Published desktop is launched in background of local applications

Setting registry key: ForegroundLockTimeout to 0 makes published desktop window to launch in foreground in most cases. HKCU\Control Panel\Desktop name: ForegroundLockTimeout type: REGDWORD data: 0 default: 200000 In some cases, there are applications that set this value to a non 0 value, which...

Wannacry depth of analysis: the first stage tasksche-vulnerability warning-the black bar safety net

WannaCry ransomware is a 2017 of the most popular ransomware, which uses a Microsoft vulnerability in the global range attacks make the world more than 100 countries, hundreds of thousands of users by the impact. Has a global range of network security education for all. As a security industry...

Today’s File Security is So ’80s, Part 3: Dynamic Peer Groups – 3 Examples from Customer Data

In the first two parts of this series, we discussed why permissions management, the traditional approach to file security, no longer works and introduced a new approach to file security that leverages machine learning to build dynamic peer groups based on how users actually access files. In this...

What is BDD Testing: Practical Examples of Behavior Driven Development Testing

The Need for Behavior Driven Development BDD Testing Tools It should come as no surprise to learn that testing is at the heart of our engineers' daily activities. Testing is intrinsic to our development process, both in practical terms and in our thinking. Our engineers work with complex systems...

Millennials and Secret Leaking

I hesitate to blog this, because it's an example of everything that's wrong with pop psychology. Malcolm Harris writes about millennials, and has a theory of why millennials leak secrets. My guess is that you could write a similar essay about every named generation, every age group, and so on...

CVE-2017-7676

Policy resource matcher in Apache Ranger before 0.7.1 ignores characters after '' wildcard character - like mytest, test.txt. This can result in unintended behavior...

Design/Logic Flaw

Policy resource matcher in Apache Ranger before 0.7.1 ignores characters after '' wildcard character - like mytest, test.txt. This can result in unintended behavior...

CVE-2017-7676

Policy resource matcher in Apache Ranger before 0.7.1 ignores characters after '' wildcard character - like mytest, test.txt. This can result in unintended behavior...

CVE-2017-7676

Policy resource matcher in Apache Ranger before 0.7.1 ignores characters after '' wildcard character - like mytest, test.txt. This can result in unintended behavior...

New Mac Malware-as-a-Service offerings

A couple weeks ago, two new Malware-as-a-Service MaaS offerings for the Mac became available. These two offerings - a backdoor named MacSpy and a ransomware app named MacRansom - were discovered by Catalin Cimpanu of Bleeping Computer on May 25. Cimpanu evidently had some trouble getting hold of...

MSRT June 2017: Removing sneaky Xiazai

In the June release of the Microsoft Malicious Software Removal Tool MSRT, we’re adding Xiazai, a widespread family of browser modifiers that we have blocked and removed from millions of computers since 2015. Xiazai is a software bundler that can sneak in additional changes. Xiazai does not insta...

FIN7 Hitting Restaurants with Fileless Malware

FIN7, closely associated with the notorious Carbanak group, is behind a targeted phishing campaign singling out restaurants with fileless malware that is difficult to detect. The recent campaign incorporates, “never before seen evasive techniques that allow malware to bypass most security...

Today’s File Security is So ‘80s, Part 2: Detect Suspicious File Access with Dynamic Peer Groups

In a previous post, we shared three primary reasons why the traditional, static approach to file security no longer works for today’s modern enterprises. Working groups are formed organically and are cross-functional by nature, making a black and white approach to file access control outdated—it...

Threat Round-up for June 2 - June 9

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between June 02 and June 09. As with previous round-ups, this post isn't meant to be an in-depth analysis. Instead, this post will summarize the threats we've observed by highlighting key behavior characteristics,...