GHSA-R6JX-9G48-2R5R Arbitrary code execution due to YAML deserialization

Impact TensorFlow and Keras can be tricked to perform arbitrary code execution when deserializing a Keras model from YAML format. python from tensorflow.keras import models payload = ''' !!python/object/new:type args: 'z', !!python/tuple , 'extend': !!python/name:exec listitems:...

Indictments, Attribution Unlikely to Deter Chinese Hacking

The federal government is fighting back against what it says are China-based cyberattacks against U.S. universities and companies with indictments and a “naming-and-shaming” approach — but researchers aren’t convinced the efforts will come to much in terms of deterring future activity. On Monday,...

Targeted Malware Reverse Engineering Workshop follow-up. Part 1

On April 8, 2021, we conducted a webinar with Ivan Kwiatkowski and Denis Legezo, Senior Security Researchers from our Global Research & Analysis Team GReAT, who gave live workshops on practical disassembling, decrypting and deobfuscating authentic malware cases, moderated by GReATs own Dan Demete...

vulhub

This repository is an open-source collection of pre-built vulnerable docker environments, known as Vulhub. It is a collection of vulnerable environments, not a single exploit or tool. The repository contains a variety of vulnerable environments, including CouchDB, FFmpeg, Git, InfluxDB, and more,...

MDR Vendor Must-Haves, Part 4: Ingestion of Authentication Data Across Local, Domain, and Cloud Sources

This blog post is part of an ongoing series about evaluating Managed Detection and Response MDR providers. For more insights, check out our guide, “10 Things Your MDR Service Must Do.” There isn’t a single threat or breach that doesn’t involve attackers using legitimate credentials to cause harm...

LazyScripter: From Empire to double RAT

Malwarebytes’ Threat Intelligence analysts are continually researching and monitoring active malware campaigns and actor groups as the prevalence and sophistication of targeted attacks rapidly evolves. In this paper, we introduce a new APT group we have named LazyScripter, presenting in-depth...

Researchers Disclose Undocumented Chinese Malware Used in Recent Attacks

Cybersecurity researchers have disclosed a series of attacks by a threat actor of Chinese origin that has targeted organizations in Russia and Hong Kong with malware — including a previously undocumented backdoor. Attributing the campaign to Winnti or APT41, Positive Technologies dated the first...

GLSA-202101-05 : Chromium, Google Chrome: Multiple vulnerabilities

The remote host is affected by the vulnerability described in GLSA-202101-05 Chromium, Google Chrome: Multiple vulnerabilities Multiple vulnerabilities have been discovered in Chromium and Google Chrome. Please review the CVE identifiers referenced below for details. Impact : Please review the...

MediaWiki suffers from an unspecified vulnerability (CNVD-2021-38683)

MediaWiki is a set of free and freely available web-based Wiki engines from the MediaWiki Wikimedia Foundation in the United States. It can be used to deploy in-house knowledge management and content management systems. A security vulnerability exists in MediaWiki version 1.35.0, which stems from...

CVE-2020-27621

The FileImporter extension in MediaWiki through 1.35.0 was not properly attributing various user actions to a specific user's IP address. Instead, for various actions, it would report the IP address of an internal Wikimedia Foundation server by omitting X-Forwarded-For data. This resulted in an...

PT-2020-16728 · Mediawiki +1 · Mediawiki +1

Name of the Vulnerable Software and Affected Versions: MediaWiki versions prior to 1.35.0 Description: The issue concerns the FileImporter extension, which failed to properly attribute user actions to a specific user's IP address. It would report the IP address of an internal server instead, by...

CVE-2020-7705

This affects the package MintegralAdSDK from 0.0.0. The SDK distributed by the company contains malicious functionality that tracks any URL opened by the app and reports it back to the company, along with performing advertisement attribution fraud. Mintegral can remotely activate hooks on the...

CVE-2020-7705

This affects the package MintegralAdSDK from 0.0.0. The SDK distributed by the company contains malicious functionality that tracks any URL opened by the app and reports it back to the company, along with performing advertisement attribution fraud. Mintegral can remotely activate hooks on the...

CVE-2020-7705

This affects the package MintegralAdSDK from 0.0.0. The SDK distributed by the company contains malicious functionality that tracks any URL opened by the app and reports it back to the company, along with performing advertisement attribution fraud. Mintegral can remotely activate hooks on the...

CVE-2020-7705: Improper Restriction of Rendered UI Layers or Frames

This affects the package MintegralAdSDK from 0.0.0. The SDK distributed by the company contains malicious functionality that tracks any URL opened by the app and reports it back to the company, along with performing advertisement attribution fraud. Mintegral can remotely activate hooks on the...

Threat Source newsletter for Aug. 13, 2020

Newsletter compiled by Jon Munshaw. Good afternoon, Talos readers. It’s really tough to attribute cyber attacks. We know it. You know it. But why is that, exactly? And why do we want to attribute attacks so badly anyway? In our latest blog post, we look at why attribution is challenging, and what...

GReAT Ideas follow-up

On June 17, we hosted our first "GReAT Ideas. Powered by SAS" session, in which several experts from our Global Research and Analysis Team shared insights into APTs and threat actors, attribution, and hunting IoT threats. Here is a brief summary of the agenda from that webinar: Linking attacks to...

Looking at Big Threats Using Code Similarity. Part 1

Today, we are announcing the release of KTAE, the Kaspersky Threat Attribution Engine. This code attribution technology, developed initially for internal use by the Kaspersky Global Research and Analysis Team, is now being made available to a wider audience. You can read more about KTAE in our...

Coronavirus-Themed APT Attack Spreads Malware

An advanced persistent threat APT group is leveraging the coronavirus pandemic to infect victims with a previously unknown malware, in a recently discovered campaign that researchers call “Vicious Panda.” Researchers identified two suspicious Rich Text Format files RTF — a text file format used b...

Equifax Breach: Four Members of Chinese Military Charged with Hacking

U.S. authorities have charged four Chinese military officers in the 2017 Equifax data breach, which compromised the data of nearly 150 million. The four, Wu Zhiyong, Wang Qian, Xu Ke and Liu Lei, are believed to be members of the 54th Research Institute of the Chinese People’s Liberation Army PLA...