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A New Bug in Microsoft Windows Could Let Hackers Easily Install a Rootkit

A New Bug in Microsoft Windows Could Let Hackers Easily Install a Rootkit

Sep 23, 2021
Security researchers have disclosed an unpatched weakness in Microsoft Windows Platform Binary Table (WPBT) affecting all Windows-based devices since Windows 8 that could be potentially exploited to install a rootkit and compromise the integrity of devices. "These flaws make every Windows system vulnerable to easily-crafted attacks that install fraudulent vendor-specific tables," researchers from Eclypsium  said  in a report published on Monday. "These tables can be exploited by attackers with direct physical access, with remote access, or through manufacturer supply chains. More importantly, these motherboard-level flaws can obviate initiatives like  Secured-core  because of the ubiquitous usage of  ACPI  [Advanced Configuration and Power Interface] and WPBT." WPBT, introduced with Windows 8 in 2012, is a  feature  that enables "boot firmware to provide Windows with a platform binary that the operating system can execute."  In other words, it allows
New Android Malware Targeting US, Canadian Users with COVID-19 Lures

New Android Malware Targeting US, Canadian Users with COVID-19 Lures

Sep 23, 2021
An "insidious" new SMS smishing malware has been found targeting Android mobile users in the U.S. and Canada as part of an ongoing campaign that uses SMS text message lures related to COVID-19 regulations and vaccine information in an attempt to steal personal and financial data. Proofpoint's messaging security subsidiary Cloudmark coined the emerging malware "TangleBot." "The malware has been given the moniker TangleBot because of its many levels of obfuscation and control over a myriad of entangled device functions, including contacts, SMS and phone capabilities, call logs, internet access, and camera and microphone," the researchers  said . Besides capabilities to obtain sensitive information, the malware is engineered to control device interaction with banking or financial apps using overlay screens and plunder account credentials from financial activities initiated on the phones. The attacks themselves originate from SMS messages that claim
GenAI: A New Headache for SaaS Security Teams

GenAI: A New Headache for SaaS Security Teams

Apr 17, 2024SaaS Security / AI Governance
The introduction of Open AI's ChatGPT was a defining moment for the software industry, touching off a GenAI race with its November 2022 release. SaaS vendors are now rushing to upgrade tools with enhanced productivity capabilities that are driven by generative AI. Among a wide range of uses, GenAI tools make it easier for developers to build software, assist sales teams in mundane email writing, help marketers produce unique content at low cost, and enable teams and creatives to brainstorm new ideas.  Recent significant GenAI product launches include Microsoft 365 Copilot, GitHub Copilot, and Salesforce Einstein GPT. Notably, these GenAI tools from leading SaaS providers are paid enhancements, a clear sign that no SaaS provider will want to miss out on cashing in on the GenAI transformation. Google will soon launch its SGE "Search Generative Experience" platform for premium AI-generated summaries rather than a list of websites.  At this pace, it's just a matter of a short time befo
A New Wave of Malware Attack Targeting Organizations in South America

A New Wave of Malware Attack Targeting Organizations in South America

Sep 20, 2021
A spam campaign delivering spear-phishing emails aimed at South American organizations has retooled its techniques to include a wide range of commodity remote access trojans (RATs) and geolocation filtering to avoid detection, according to new research. Cybersecurity firm Trend Micro attributed the attacks to an advanced persistent threat (APT) tracked as  APT-C-36  (aka Blind Eagle), a suspected South America espionage group that has been active since at least 2018 and  previously known  for setting its sights on Colombian government institutions and corporations spanning financial, petroleum, and manufacturing sectors. Primarily spread via fraudulent emails by masquerading as Colombian government agencies, such as the National Directorate of Taxes and Customs (DIAN), the infection chain commences when the message recipients open a decoy PDF or Word document that claims to be a seizure order tied to their bank accounts and click on a link that's been generated from a URL short
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Today's Top 4 Identity Threat Exposures: Where To Find Them and How To Stop Them

websiteSilverfortIdentity Protection / Attack Surface
Explore the first ever threat report 100% focused on the prevalence of identity security gaps you may not be aware of.
Numando: A New Banking Trojan Targeting Latin American Users

Numando: A New Banking Trojan Targeting Latin American Users

Sep 20, 2021
A newly spotted banking trojan has been caught leveraging legitimate platforms like YouTube and Pastebin to store its encrypted, remote configuration and commandeer infected Windows systems, making it the latest to join the  long list of malware  targeting Latin America (LATAM) after Guildma, Javali, Melcoz, Grandoreiro, Mekotio, Casbaneiro, Amavaldo, Vadokrist, and Janeleiro. The threat actor behind this malware family — dubbed " Numando " — is believed to have been active since at least 2018. "[Numando brings] interesting new techniques to the pool of Latin American banking trojans' tricks, like using seemingly useless ZIP archives or bundling payloads with decoy BMP images," ESET researchers  said  in a technical analysis published on Friday. "Geographically, it focuses almost exclusively on Brazil with rare campaigns in Mexico and Spain." Written in Delphi, the malware comes with an array of backdoor capabilities that allow it to control compr
New Malware Targets Windows Subsystem for Linux to Evade Detection

New Malware Targets Windows Subsystem for Linux to Evade Detection

Sep 17, 2021
A number of malicious samples have been created for the Windows Subsystem for Linux (WSL) with the goal of compromising Windows machines, highlighting a sneaky method that allows the operators to stay under the radar and thwart detection by popular anti-malware engines. The "distinct tradecraft" marks the first instance where a threat actor has been found abusing WSL to install subsequent payloads. "These files acted as loaders running a payload that was either embedded within the sample or retrieved from a remote server and was then injected into a running process using Windows API calls," researchers from Lumen Black Lotus Labs  said  in a report published on Thursday. Windows Subsystem for Linux, launched in August 2016, is a  compatibility layer  that's designed to run Linux binary executables (in ELF format) natively on the Windows platform without the overhead of a traditional virtual machine or dual-boot setup. The earliest artifacts date back to M
Critical Flaws Discovered in Azure App That Microsoft Secretly Installs on Linux VMs

Critical Flaws Discovered in Azure App That Microsoft Secretly Installs on Linux VMs

Sep 15, 2021
Microsoft on Tuesday addressed a quartet of security flaws as part of its  Patch Tuesday updates  that could be abused by adversaries to target Azure cloud customers and elevate privileges as well as allow for remote takeover of vulnerable systems. The list of flaws, collectively called OMIGOD by researchers from Wiz, affect a little-known software agent called Open Management Infrastructure that's automatically deployed in many Azure services - CVE-2021-38647  (CVSS score: 9.8) - Open Management Infrastructure Remote Code Execution Vulnerability CVE-2021-38648  (CVSS score: 7.8) - Open Management Infrastructure Elevation of Privilege Vulnerability CVE-2021-38645  (CVSS score: 7.8) - Open Management Infrastructure Elevation of Privilege Vulnerability CVE-2021-38649  (CVSS score: 7.0) - Open Management Infrastructure Elevation of Privilege Vulnerability Open Management Infrastructure ( OMI ) is an open-source  analogous equivalent  of Windows Management Infrastructure (WMI
New Stealthier ZLoader Variant Spreading Via Fake TeamViewer Download Ads

New Stealthier ZLoader Variant Spreading Via Fake TeamViewer Download Ads

Sep 14, 2021
Users searching for TeamViewer remote desktop software on search engines like Google are being redirected to malicious links that drop  ZLoader  malware onto their systems while simultaneously embracing a stealthier infection chain that allows it to linger on infected devices and evade detection by security solutions. "The malware is downloaded from a Google advertisement published through Google Adwords," researchers from SentinelOne  said  in a report published on Monday. "In this campaign, the attackers use an indirect way to compromise victims instead of using the classic approach of compromising the victims directly, such as by phishing." First discovered in 2016, ZLoader (aka Silent Night and ZBot) is a  fully-featured banking trojan  and a fork of another banking malware called ZeuS, with newer versions implementing a VNC module that grants adversaries remote access to victim systems. The malware is in active development, with criminal actors spawning an
Linux Implementation of Cobalt Strike Beacon Targeting Organizations Worldwide

Linux Implementation of Cobalt Strike Beacon Targeting Organizations Worldwide

Sep 13, 2021
Researchers on Monday took the wraps off a newly discovered Linux and Windows re-implementation of  Cobalt Strike Beacon  that's actively set its sights on government, telecommunications, information technology, and financial institutions in the wild. The as-yet undetected version of the penetration testing tool — codenamed "Vermilion Strike" — marks one of the  rare Linux ports , which has been traditionally a Windows-based red team tool heavily repurposed by adversaries to mount an array of targeted attacks. Cobalt Strike bills itself as a " threat emulation software ," with Beacon being the payload engineered to model an advanced actor and duplicate their post-exploitation actions. "The stealthy sample uses Cobalt Strike's command-and-control (C2) protocol when communicating to the C2 server and has remote access capabilities such as uploading files, running shell commands and writing to files," Intezer researchers said in a report publishe
SOVA: New Android Banking Trojan Emerges With Growing Capabilities

SOVA: New Android Banking Trojan Emerges With Growing Capabilities

Sep 10, 2021
A mix of banking applications, cryptocurrency wallets, and shopping apps from the U.S. and Spain are the target of a newly discovered Android trojan that could enable attackers to siphon personally identifiable information from infected devices, including banking credentials and open the door for on-device fraud. Dubbed S.O.V.A. (referring to the Russian word for owl), the current version of the banking malware comes with myriad features to steal credentials and session cookies through web overlay attacks, log keystrokes, hide notifications, and manipulate the clipboard to insert modified cryptocurrency wallet addresses, with future plans to incorporate  on-device fraud through VNC , carry out DDoS attacks, deploy ransomware, and even intercept two-factor authentication codes. The malware was discovered in the beginning of August 2021 by researchers from Amsterdam-based cybersecurity firm ThreatFabric. Overlay attacks typically involve the theft of confidential user information us
Russian Ransomware Group REvil Back Online After 2-Month Hiatus

Russian Ransomware Group REvil Back Online After 2-Month Hiatus

Sep 09, 2021
The operators behind the REvil ransomware-as-a-service (RaaS)  staged  a surprise return after a two-month hiatus following the widely publicized attack on technology services provider Kaseya on July 4. Two of the dark web portals, including the gang's Happy Blog data leak site and its payment/negotiation site, have resurfaced online, with the most recent victim added on July 8, five days before the sites  mysteriously went off the grid  on July 13. It's not immediately clear if REvil is back in the game or if they have launched new attacks. "Unfortunately, the Happy Blog is back online," Emsisoft threat researcher Brett Callow  tweeted  on Tuesday. The development comes a little over two months after a  wide-scale supply chain ransomware attack  aimed at Kaseya, which saw the Russia-based cybercrime gang encrypting approximately 60 managed service providers (MSPs) and over 1,500 downstream businesses using a zero-day vulnerability in the Kaseya VSA remote manage
3 Ways to Secure SAP SuccessFactors and Stay Compliant

3 Ways to Secure SAP SuccessFactors and Stay Compliant

Sep 08, 2021
The work-from-anywhere economy has opened up the possibility for your human resources team to source the best talent from anywhere. To scale their operations, organizations are leveraging the cloud to accelerate essential HR functions such as recruiting, onboarding, evaluating, and more. SAP is leading this HR transformation with its human capital management (HCM) solution, SAP SuccessFactors. Delivering HR solutions from the cloud enables employees and administrators to not only automate typical tasks, such as providing a report on employee attrition, but also allows them to complete these tasks from anywhere and on any device. SuccessFactors makes it easy for employees to access what they need. But the wide range of sensitive employee data within SuccessFactors creates additional security and compliance challenges. Whether it's personal and financial information used for payroll or health information for benefits, you need the right cybersecurity to ensure that sensitive data,
New 0-Day Attack Targeting Windows Users With Microsoft Office Documents

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

Sep 08, 2021
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 Trident), a proprietary browser engine for the now-discontinued Internet Explorer and which is used in Office to render web content inside Word, Excel, and PowerPoint documents. "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," the company  said . "An attacker could craft a malicious ActiveX control to be used by a Microsoft Office document that hosts the browser rendering engine. The attacker would then have to convince the user to open the malicious document. Users who
Traffic Exchange Networks Distributing Malware Disguised as Cracked Software

Traffic Exchange Networks Distributing Malware Disguised as Cracked Software

Sep 06, 2021
An ongoing campaign has been found to leverage a network of websites acting as a "dropper as a service" to deliver a bundle of malware payloads to victims looking for "cracked" versions of popular business and consumer applications. "These malware included an assortment of click fraud bots, other information stealers, and even ransomware," researchers from cybersecurity firm Sophos  said  in a report published last week. The attacks work by taking advantage of a number of bait pages hosted on WordPress that contain "download" links to software packages, which, when clicked, redirect the victims to a different website that delivers potentially unwanted browser plug-ins and malware, such as installers for  Raccoon Stealer , Stop ransomware, the Glupteba backdoor, and a variety of malicious cryptocurrency miners that masquerade as antivirus solutions. "Visitors who arrive on these sites are prompted to allow notifications; If they allow th
FIN7 Hackers Using Windows 11 Themed Documents to Drop Javascript Backdoor

FIN7 Hackers Using Windows 11 Themed Documents to Drop Javascript Backdoor

Sep 03, 2021
A recent wave of spear-phishing campaigns leveraged weaponized Windows 11 Alpha-themed Word documents with Visual Basic macros to drop malicious payloads, including a JavaScript implant, against a point-of-sale (PoS) service provider located in the U.S. The attacks, which are believed to have taken place between late June to late July 2021, have been attributed with "moderate confidence" to a financially motivated threat actor dubbed FIN7, according to researchers from cybersecurity firm Anomali. "The specified targeting of the Clearmind domain fits well with FIN7's preferred modus operandi," Anomali Threat Research  said  in a technical analysis published on September 2. "The group's goal appears to have been to deliver a variation of a JavaScript backdoor used by FIN7 since at least 2018." An Eastern European group active since at least mid-2015, FIN7 has a checkered history of targeting restaurant, gambling, and hospitality industries in th
Chinese Authorities Arrest Hackers Behind Mozi IoT Botnet Attacks

Chinese Authorities Arrest Hackers Behind Mozi IoT Botnet Attacks

Sep 02, 2021
The operators of the Mozi IoT botnet have been taken into custody by Chinese law enforcement authorities, nearly two years after the malware emerged on the threat landscape in September 2019. News of the arrest, which originally  happened  in June, was  disclosed  by researchers from Netlab, the network research division of Chinese internet security company Qihoo 360, earlier this Monday, detailing its involvement in the operation. "Mozi uses a P2P [peer-to-peer] network structure, and one of the 'advantages' of a P2P network is that it is robust, so even if some of the nodes go down, the whole network will carry on, and the remaining nodes will still infect other vulnerable devices, that is why we can still see Mozi spreading," said Netlab, which spotted the botnet for the first time in late 2019. The development also comes less than two weeks after Microsoft Security Threat Intelligence Center  revealed  the botnet's new capabilities that enable it to inter
Cybercriminals Abusing Internet-Sharing Services to Monetize Malware Campaigns

Cybercriminals Abusing Internet-Sharing Services to Monetize Malware Campaigns

Sep 01, 2021
Threat actors are capitalizing on the growing popularity of proxyware platforms like Honeygain and Nanowire to monetize their own malware campaigns, once again illustrating how attackers are quick to  repurpose and weaponize legitimate platforms  to their advantage. "Malware is currently leveraging these platforms to monetize the internet bandwidth of victims, similar to how malicious cryptocurrency mining attempts to monetize the CPU cycles of infected systems," researchers from Cisco Talos  said  in a Tuesday analysis. "In many cases, these applications are featured in multi-stage, multi-payload malware attacks that provide adversaries with multiple monetization methods." Proxyware, also called internet-sharing applications, are legitimate services that allow users to carve out a percentage of their internet bandwidth for other devices, often for a fee, through a client application offered by the provider, enabling other customers to access the internet using
Researchers Uncover FIN8's New Backdoor Targeting Financial Institutions

Researchers Uncover FIN8's New Backdoor Targeting Financial Institutions

Aug 25, 2021
A financially motivated threat actor notorious for setting its sights on retail, hospitality, and entertainment industries has been observed deploying a completely new backdoor on infected systems, indicating the operators are continuously retooling their malware arsenal to avoid detection and stay under the radar. The previously undocumented malware has been dubbed " Sardonic " by Romanian cybersecurity technology company Bitdefender, which it encountered during a  forensic investigation  in the wake of an unsuccessful attack carried out by FIN8 aimed at an unnamed financial institution located in the U.S. Said to be under active development, "Sardonic backdoor is extremely potent and has a wide range of capabilities that help the threat actor leverage new malware on the fly without updating components," Bitdefender researchers Eduard Budaca and Victor Vrabie said in a report shared with The Hacker News. Since emerging on the scene in January 2016, FIN8 has
New SideWalk Backdoor Targets U.S.-based Computer Retail Business

New SideWalk Backdoor Targets U.S.-based Computer Retail Business

Aug 25, 2021
A computer retail company based in the U.S. was the target of a previously undiscovered implant called SideWalk as part of a recent campaign undertaken by a Chinese advanced persistent threat group primarily known for singling out entities in East and Southeast Asia. Slovak cybersecurity firm ESET attributed the malware to an advanced persistent threat it tracks under the moniker SparklingGoblin, an adversary believed to be connected to the Winnti umbrella group, noting its similarities to another backdoor dubbed  Crosswalk  that was put to use by the same threat actor in 2019. "SideWalk is a modular backdoor that can dynamically load additional modules sent from its C&C [command-and-control] server, makes use of Google Docs as a  dead drop resolver , and  Cloudflare workers  as a C&C server," ESET researchers Thibaut Passilly and Mathieu Tartare  said  in a report published Tuesday. "It can also properly handle communication behind a proxy." Since fir
ShadowPad Malware is Becoming a Favorite Choice of Chinese Espionage Groups

ShadowPad Malware is Becoming a Favorite Choice of Chinese Espionage Groups

Aug 20, 2021
ShadowPad, an infamous Windows backdoor that allows attackers to download further malicious modules or steal data, has been put to use by five different Chinese threat clusters since 2017. "The adoption of ShadowPad significantly reduces the costs of development and maintenance for threat actors," SentinelOne researchers Yi-Jhen Hsieh and Joey Chen  said  in a detailed overview of the malware, adding "some threat groups stopped developing their own backdoors after they gained access to ShadowPad." The American cybersecurity firm dubbed ShadowPad a "masterpiece of privately sold malware in Chinese espionage." A successor to PlugX and a modular malware platform since 2015,  ShadowPad  catapulted to widespread attention in the wake of supply chain incidents targeting  NetSarang ,  CCleaner , and  ASUS , leading the operators to shift tactics and update their defensive measures with advanced anti-detection and persistence techniques. More recently, atta
Cybercrime Group Asking Insiders for Help in Planting Ransomware

Cybercrime Group Asking Insiders for Help in Planting Ransomware

Aug 20, 2021
A Nigerian threat actor has been observed attempting to recruit employees by offering them to pay $1 million in bitcoins to deploy Black Kingdom ransomware on companies' networks as part of an insider threat scheme. "The sender tells the employee that if they're able to deploy ransomware on a company computer or Windows server, then they would be paid $1 million in bitcoin, or 40% of the presumed $2.5 million ransom," Abnormal Security  said  in a report published Thursday. "The employee is told they can launch the ransomware physically or remotely. The sender provided two methods to contact them if the employee is interested—an Outlook email account and a Telegram username." Black Kingdom, also known as DemonWare and DEMON, attracted attention earlier this March when threat actors were found  exploiting ProxyLogon flaws  impacting Microsoft Exchange Servers to infect unpatched systems with the ransomware strain. Abnormal Security, which detected and bl
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