Cybercriminals Swarm Windows Utility Regsvr32 to Spread Malware

A Windows living-off-the-land binary LOLBin known as Regsvr32 is seeing a big uptick in abuse of late, researchers are warning, mainly spreading trojans like Lokibot and Qbot. LOLBins are legitimate, native utilities used daily in various computing environments, that cybercriminals use to evade...

Mageia: Security Advisory (MGASA-2014-0447)

The remote host is missing an update for the SPDX-FileCopyrightText: 2022 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

SquirrelWaffle Loader Malspams, Packs Qakbot, Cobalt Strike

SquirrelWaffle, a new malware loader, is mal-spamming malicious Microsoft Office documents to deliver Qakbot malware and the penetration-testing tool Cobalt Strike – two of the most common threats regularly observed targeting organizations around the world. Cisco Talos researchers said on Tuesday...

Windows MSHTML 0-Day Exploited to Deploy Cobalt Strike Beacon in Targeted Attacks

Microsoft on Wednesday disclosed details of a targeted phishing campaign that leveraged a now-patched zero-day flaw in its MSHTML platform using specially-crafted Office documents to deploy Cobalt Strike Beacon on compromised Windows systems. "These attacks used the vulnerability, tracked as...

Analyzing attacks that exploit the CVE-2021-40444 MSHTML vulnerability

In August, Microsoft Threat Intelligence Center MSTIC identified a small number of attacks less than 10 that attempted to exploit a remote code execution vulnerability in MSHTML using specially crafted Microsoft Office documents. These attacks used the vulnerability, tracked as CVE-2021-40444, as...

CVE-2021-40444

Microsoft is investigating reports of a remote code execution vulnerability in MSHTML that affects Microsoft Windows. Microsoft is aware of targeted attacks that attempt to exploit this vulnerability by using specially-crafted Microsoft Office documents. An attacker could craft a malicious Active...

CVE-2021-40444

Microsoft is investigating reports of a remote code execution vulnerability in MSHTML that affects Microsoft Windows. Microsoft is aware of targeted attacks that attempt to exploit this vulnerability by using specially-crafted Microsoft Office documents. An attacker could craft a malicious Active...

Microsoft, CISA Urge Mitigations for Zero-Day RCE Flaw in Windows

Both Microsoft and federal cybersecurity officials are urging organizations to use mitigations to combat a zero-day remote control execution RCE vulnerability in Windows that allows attackers to craft malicious Microsoft Office documents. Microsoft has not revealed much about the MSHTML bug,...

New 0-Day Attack Targeting Windows Users With Microsoft Office Documents

Microsoft on Tuesday warned of an actively exploited zero-day flaw impacting Internet Explorer that's being used to hijack vulnerable Windows systems by leveraging weaponized Office documents. Tracked as CVE-2021-40444 CVSS score: 8.8, the remote code execution flaw is rooted in MSHTML aka Triden...

Vulnerability found in Microsoft Windows

A vulnerability has been found in Microsoft Windows' MSHTML component. A malicious party could potentially exploit it to execute arbitrary code under the privileges of a user. To do this, the malicious party needs to get the victim to to open a rogue Office document. Microsoft indicates that ther...

Microsoft MSHTML Remote Code Execution Vulnerability

Microsoft is investigating reports of a remote code execution vulnerability in MSHTML that affects Microsoft Windows. Microsoft is aware of targeted attacks that attempt to exploit this vulnerability by using specially-crafted Microsoft Office documents. An attacker could craft a malicious Active...

Malicious Office documents make up 43% of all malware downloads

By Waqas In the 3rd quarter of 2020, around 38% of all downloadable malware were found hidden in Office documents, a new report reveals. This is a post from HackRead.com Read the original post: Malicious Office documents make up 43% of all malware downloads...

Foxit Reader和Foxit PhantomPDF 缓冲区错误漏洞

Foxit Reader and Foxit PhantomPDF are both PDF document readers from the Chinese company Foxit. A security vulnerability exists in Foxit Reader versions prior to 10.1.4 and PhantomPDF versions prior to 10.1.4, which stems from the software's mishandling of cross-reference tables during the...

Russian APT28 Hackers Using COVID-19 as Bait to Deliver Zebrocy Malware

A Russian threat actor known for its malware campaigns has reappeared in the threat landscape with yet another attack leveraging COVID-19 as phishing lures, once again indicating how adversaries are adept at repurposing the current world events to their advantage. Linking the operation to a...

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...

Facebook WhatsApp Resource Management Error Vulnerability

Facebook WhatsApp is a suite of mobile applications from Facebook Inc. in the United States that use the Internet to send text messages. The application uses the contact information in a smartphone to find contacts using the program to send texts, pictures, etc. WhatsApp Business is the commercia...

CVE-2020-1380

A remote code execution vulnerability exists in the way that the scripting engine handles objects in memory in Internet Explorer. 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...

The vulnerability relates to the XSSFExportToXml Java library for reading and writing MS Office documents using Apache POI. It allows an attacker to gain unauthorized access to read these files.

The vulnerability in the XSSFExportToXml Java library for reading and writing MS Office documents using Apache POI is related to deficiencies in the restriction on XML references to external objects. Exploiting this vulnerability could allow an attacker to gain unauthorized access to read the fil...

U.S. Finance Sector Hit with Targeted Backdoor Campaign

The financial services sector in the U.S. found itself under a barrage of cyberattacks last month, all bent on delivering a powerful backdoor called Minebridge. The attack chain employed a known method called “VBA Stomping” to avoid detection. According to researchers at FireEye, the campaigns,...

CVE-2019-8657

An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 12.4, macOS Mojave 10.14.6, tvOS 12.4, watchOS 5.3. Parsing a maliciously crafted office document may lead to an unexpected application termination or arbitrary code execution...