311 matches found
January 5, 2021, update for Access 2016 (KB4484509)
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Description of the security update for Excel 2016: December 8, 2020
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Description of the security update for PowerPoint 2016: December 8, 2020
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December 1, 2020, update for Project 2016 (KB4486749)
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December 1, 2020, update for Office 2016 (KB4486747)
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December 1, 2020, update for Visio 2016 (KB4486709)
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December 1, 2020, update for Office 2016 (KB4486716)
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December 1, 2020, update for Publisher 2016 (KB4484334)
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December 1, 2020, update for Office 2016 (KB4486746)
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Purgalicious VBA: Macro Obfuscation With VBA Purging
Malicious Office documents remain a favorite technique for every type of threat actor, from red teamers to FIN groups to APTs. In this blog post, we will discuss "VBA Purging", a technique we have increasingly observed in the wild and that was first publicly documented by Didier Stevens in Februa...
Phishing Emails Used to Deploy KONNI Malware
Summary This Alert uses the MITRE Adversarial Tactics, Techniques, and Common Knowledge ATT &CK® framework. See the ATT&CK for Enterprise framework for all referenced threat actor techniques. The Cybersecurity and Infrastructure Security Agency CISA has observed cyber actors using emails containi...
ezEmu - Simple Execution Of Commands For Defensive Tuning/Research
ezEmu enables users to test adversary behaviors via various execution techniques. Sort of like an "offensive framework for blue teamers ", ezEmu does not have any networking/C2 capabilities and rather focuses on creating local test telemetry. Windows See /Linux for ELF ezEmu is compiled as...
Announcing the Seventh Annual Flare-On Challenge
The Front Line Applied Research & Expertise FLARE team is honored to announce that the popular Flare-On challenge will return for a triumphant seventh year. Ongoing global events proved no match against our passion for creating challenging and fun puzzles to test and hone the skills of aspiring a...
OSV-2020-1365 UNKNOWN READ in cli_vba_readdir_new
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=24354 Crash type: UNKNOWN READ Crash state: clivbareaddirnew clivbascandirnew cliscanole2...
Microsoft Outlook Users Targeted By Gamaredon's New VBA Macro
The Gamaredon threat group has given its post-compromise toolset a facelift with the addition of a new Visual Basic for Applications VBA macro. The VBA macro leverages compromised victims’ Microsoft Outlook email accounts to send spear-phishing emails to their contacts – rapidly widening the...
TAU Threat Analysis: Hakbit Ransomware
The bad actors behind Hakbit ransomware recently released an updated variant of their ransomware, which encrypts the victim’s data and demands 3 Bitcoins in ransom payment. This updated variant is delivered via phishing email as a malicious Excel document, and contains added functionality from th...
June 2, 2020, update for Office 2016 (KB4484335)
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Description of the security update for Project 2016: April 14, 2020
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