Defense Takeaways from Three Adversary Playbooks

In these days of advanced threats, the perimeter defense strategy – though still useful and necessary – is incomplete. IT security teams need as much information about existing threats as possible, so they know what to look for and how to position proactive countermeasures. Creating and using...

Recent Cloud Atlas activity

Also known as Inception, Cloud Atlas is an actor that has a long history of cyber-espionage operations targeting industries and governmental entities. We first reported Cloud Atlas in 2014 and we've been following its activities ever since. From the beginning of 2019 until July, we have been able...

McAfee ATR Aids Police in Arrest of Rubella & Dryad Office Macro Builder

ARCHIVED STORY McAfee ATR Aids Police in Arrest of Rubella & Dryad Office Macro Builder By John Fokker · July 16, 2019 Everyday thousands of people receive emails with malicious attachments in their email inbox. Disguised as a missed payment or an invoice, a cybercriminal sender tries to entice a...

Microsoft Office 365 (2016 Click-to-Run) Multiple Vulnerabilities (Jul 2019)

This host is missing an important security update according to Microsoft Office Click-to-Run updates. SPDX-FileCopyrightText: 2019 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier:...

CVE-2018-19448

In Foxit Reader SDK ActiveX Professional 5.4.0.1031, an uninitialized object in IReaderContentProvider::GetDocEventHandler occurs when embedding the control into Office documents. By opening a specially crafted document, an attacker can trigger an out of bounds write condition, possibly leveragin...

CVE-2018-19448

In Foxit Reader SDK ActiveX Professional 5.4.0.1031, an uninitialized object in IReaderContentProvider::GetDocEventHandler occurs when embedding the control into Office documents. By opening a specially crafted document, an attacker can trigger an out of bounds write condition, possibly leveragin...

Remote code execution

In Foxit Reader SDK ActiveX Professional 5.4.0.1031, an uninitialized object in IReaderContentProvider::GetDocEventHandler occurs when embedding the control into Office documents. By opening a specially crafted document, an attacker can trigger an out of bounds write condition, possibly leveragin...

CVE-2019-0988

A remote code execution vulnerability exists in the way the scripting engine handles objects in memory in Microsoft browsers. The vulnerability could corrupt memory in such a way that an attacker could execute arbitrary code in the context of the current user. An attacker who successfully exploit...

Slack Bug Allows Remote File Hijacking, Malware Injection

A remotely exploitable vulnerability in the Windows desktop app version of the Slack collaboration platform has been uncovered, which allows attackers to alter where files from Slack are downloaded. Nefarious types could redirect the files to their own SMB server; and, they could manipulate the...

Beers with Talos Ep. #46 - Privacy Pwnd: ExileRAT and Collecting Bad Karma

Beers with Talos BWT Podcast Ep. 46 is now available. Download this episode and subscribe to Beers with Talos: If iTunes and Google Play aren't your thing, click here. Ep. 46 show notes: Recorded Feb. 1, 2019 Today we discuss threats that bridge the gap between violating privacy and classic...

New Adobe Flash Zero-Day Exploit Found Hidden Inside MS Office Docs

Cybersecurity researchers have discovered a new zero-day vulnerability in Adobe Flash Player that hackers are actively exploiting in the wild as part of a targeted campaign appears to be attacking a Russian state health care institution. The vulnerability, tracked as CVE-2018-15982 , is a...

New Adobe Flash Zero-Day Exploit Found Hidden Inside MS Office Docs

Cybersecurity researchers have discovered a new zero-day vulnerability in Adobe Flash Player that hackers are actively exploiting in the wild as part of a targeted campaign appears to be attacking a Russian state health care institution. The vulnerability, tracked as CVE-2018-15982, is a...

New Flash Player zero-day used against Russian facility

For the past couple of years, Office documents have largely replaced exploit kits as the primary malware delivery vector, giving threat actors the choice between social engineering lures and exploits or a combination of both. While today's malicious spam malspam heavily relies on macros and popul...

Adwind Dodges AV via DDE

This blog post is authored by Paul Rascagneres, Vitor Ventura and with the contribution of Tomislav Pericin and Robert Perica from ReversingLabs. Introduction Cisco Talos, along with fellow cybersecurity firm ReversingLabs, recently discovered a new spam campaign that is spreading the Adwind 3.0...

The vulnerability of the JavaScript script handler ChakraCore in Microsoft Edge and Internet Explorer allows a perpetrator to execute arbitrary code.

The vulnerability of the JavaScript script handler ChakraCore in Microsoft Edge and Internet Explorer is related to errors in memory object handling. Exploiting this vulnerability allows a malicious actor to execute arbitrary code using specially crafted web pages, applications, or Microsoft Offi...

Stealthy Malware Hidden in Images Takes to GoogleUserContent

Malware that uses Exchangeable Image File Format EXIF data to hide its code has migrated to a new platform: GoogleUserContent sites, such as Google+ and blogger forums. In this technique, previously seen on Pastebin and GitHub, hackers embed malicious code within uploaded images – a stealthy...

New macro-less technique to distribute malware

One of the most common and effective infection vectors, especially for businesses, is the use of malicious Office documents. This year alone, we witnessed two zero-days for both Flash and the VBScript engine, which were first actually embedded into Office documents before gaining wider adoption i...

The vulnerability of JavaScript script handlers in Internet Explorer allows a perpetrator to execute arbitrary code.

The vulnerability of JavaScript script handlers in Internet Explorer arises from an operation that goes beyond the buffer boundaries in memory. Exploiting this vulnerability allows a malicious actor to execute arbitrary code using a specially crafted web page or Microsoft Office document...

Adobe Patches Zero-Day Flash Flaw

Adobe has released an emergency update to address a critical security hole in its Flash Player browser plugin that is being actively exploited to deploy malicious software. If you've got Flash installed -- and if you're using Google Chrome or a recent version of Microsoft Windows you do -- it's...

Microsoft Office: Open Office documents as read/write while browsing

This test checks the setting for policy OpenVAS Vulnerability Test $Id: office2013openasreadwritebrowsing.nasl 11843 2018-10-11 14:33:21Z emoss $ Check value for Open Office documents as read/write while browsing Authors: Emanuel Moss Copyright: Copyright c 2018 Greenbone Networks GmbH,...