CVE-2021-42766

The Proof-of-Stake PoS Ethereum consensus protocol through 2021-10-19 allows an adversary to cause a denial of service long-range consensus chain reorganizations, even when this adversary has little stake and cannot influence network message propagation. This can cause a protocol stall, or an...

Critical Remote Hacking Flaws Disclosed in Linphone and MicroSIP Softphones

Multiple security vulnerabilities have been disclosed in softphone software from Linphone and MicroSIP that could be exploited by an unauthenticated remote adversary to crash the client and even extract sensitive information like password hashes by simply making a malicious call. The...

Tenacity 2.0 – Emulating Threat groups

Introduction The previous article: Tenacity – An Adversary Emulation Tool for Persistence, walked us through the working of Tenacity, techniques it supports, and how it can help organizations and individuals to validate the risk posture. As with the second installment of the series, this post wil...

GHSA-4VR9-8CJF-VF9C Async-h1 request smuggling possible with long unread bodies

Impact This vulnerability affects any webserver that uses async-h1 behind a reverse proxy, including all such Tide applications. If the server does not read the body of a request which is longer than some buffer length, async-h1 will attempt to read a subsequent request from the body content...

Async-h1 request smuggling possible with long unread bodies

Impact This vulnerability affects any webserver that uses async-h1 behind a reverse proxy, including all such Tide applications. If the server does not read the body of a request which is longer than some buffer length, async-h1 will attempt to read a subsequent request from the body content...

Lacework: Broken link profile in the website leads to identity theft.

Hi, I have found the Broken link profile in the website where the attacker can perform identity theft. Summary : When a web application has any pages, sources, links to external 3rd party services and are broken then the attacker can claim those endpoints to successfully conduct the attack and...

CVE-2021-34571

Multiple Wireless M-Bus devices by Enbra use Hard-coded Credentials in Security mode 5 without an option to change the encryption key. An adversary can learn all information that is available in Enbra EWM...

Hardcoded credentials

Multiple Wireless M-Bus devices by Enbra use Hard-coded Credentials in Security mode 5 without an option to change the encryption key. An adversary can learn all information that is available in Enbra EWM...

Holy Grail of Security: Answer to ‘Did X Work?’ – Podcast

Get a glass. Pour in one shot of VERIS, aka the Vocabulary for Event Recording and Incident Sharing engine that generates Verizon’s funny, well-written, incredibly useful, annual Database Investigations Report DBIR. Next, add a shot of MITRE ATT&CK: the curated knowledge repository of reported...

Critical Auth Bypass Bug Affect NETGEAR Smart Switches — Patch and PoC Released

Networking, storage and security solutions provider Netgear on Friday issued patches to address three security vulnerabilities affecting its smart switches that could be abused by an adversary to gain full control of a vulnerable device. The flaws, which were discovered and reported to Netgear by...

Effective Threat-Hunting Queries in a Redacted World

A decade ago, hunting for adversary infrastructure was often as simple as monitoring a domain registrant’s name or phone number in public WHOIS records. As bad actors have moved first toward privacy protection services and then gained further obscurity behind laws such as the General Data...

UnhookMe - An Universal Windows API Resolver And Unhooker Addressing Problem Of Invoking Unmonitored System Calls From Within Of Your Red Teams Malware

In the era of intrusive AVs and EDRs that introduce hot-patches to the running processes for their enhanced optics requirements, modern adversaries must have a robust tool to slide through these watchguards. The propsed implementation of dynamic imports resolver that would be capable of unhooking...

Tenacity – An Adversary Emulation Tool for Persistence

Persistence is one of the more sought-after techniques of an attacker or adversary. Persistence is achieved through a set of tactics or techniques that adversaries use to maintain their foothold on compromised systems across restarts, changed credentials, and other interruptions that could cut of...

Sharing the first SimuLand dataset to expedite research and learn about adversary tradecraft

Last month, we introduced the SimuLand project to help security researchers around the world deploy lab environments to reproduce well-known attack scenarios, actively test detections, and learn more about the underlying behavior and implementation of adversary techniques. Since the release of th...

Hackers Exploit Microsoft Browser Bug to Deploy VBA Malware on Targeted PCs

An unidentified threat actor has been exploiting a now-patched zero-day flaw in Internet Explorer browser to deliver a fully-featured VBA-based remote access trojan RAT capable of accessing files stored in compromised Windows systems, and downloading and executing malicious payloads as part of an...

The evolution of a matrix: How ATT&CK for Containers was built

Note: The content of this post is being released jointly with the Center for Threat-Informed Defense. It is co-authored with Chris Ante and Matthew Bajzek. The Center post can be found here. As containers become a major part of many organizations’ IT workloads, it becomes crucial to consider the...

Accelerating SecOps and Emergent Threat Response with the Insight Platform

When we talk to customers about the Insight Platform and how to best support their evolving needs, they're often not asking for another product, but rather a capability that enhances a current experience. Our customers have the core ingredients of a robust security program, but as their attack...

CVE-2020-11632

The Zscaler Client Connector prior to 2.1.2.150 did not quote the search path for services, which allows a local adversary to execute code with system privileges...

openSUSE 15 Security Update : solo (openSUSE-SU-2021:1019-1)

The remote SUSE Linux SUSE15 host has a package installed that is affected by a vulnerability as referenced in the openSUSE-SU-2021:1019-1 advisory. - The flash read-out protection RDP level is not enforced during the device initialization phase of the SoloKeys Solo 4.0.0 & Somu and the Nitrokey...

MITRE ATT&CK® mappings released for built-in Azure security controls

The Security Stack Mappings for Azure research project was published today, introducing a library of mappings that link built-in Azure security controls to the MITRE ATT&CK® techniques they mitigate against. Microsoft once again worked with the Center for Threat-Informed Defense and other Center...