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An Android malware that was observed abusing accessibility services in the device to hijack user credentials from European banking applications has morphed into an entirely new botnet as part of a renewed campaign that began in May 2021. Italy's CERT-AGID, in late January, disclosed details about  Oscorp , a mobile malware developed to attack multiple financial targets with the goal of stealing funds from unsuspecting victims. Its features include the ability to intercept SMS messages and make phone calls, and carry out overlay attacks for more than 150 mobile applications by making use of lookalike login screens to siphon valuable data. The malware was distributed through malicious SMS messages, with the attacks often conducted in real-time by posing as bank operators to dupe targets over the phone and surreptitiously gain access to the infected device via WebRTC protocol and ultimately conduct unauthorized bank transfers. While no new activities were reported since then, it a...

A Chinese cyberespionage group known for targeting Southeast Asia leveraged flaws in the Microsoft Exchange Server that came to light earlier this March to deploy a previously undocumented variant of a remote access trojan (RAT) on compromised systems. Attributing the intrusions to a threat actor named  PKPLUG  (aka  Mustang Panda  and HoneyMyte), Palo Alto Networks' Unit 42 threat intelligence team said it identified a new version of the modular PlugX malware, called THOR, that was delivered as a post-exploitation tool to one of the breached servers. Dating back to as early as 2008,  PlugX  is a fully-featured second-stage implant with capabilities such as file upload, download, and modification, keystroke logging, webcam control, and access to a remote command shell. "The variant observed [...] is unique in that it contains a change to its core source code: the replacement of its trademark word 'PLUG' to 'THOR,'" Unit 42 researchers Mike Harbison an...

An Iranian cyberespionage group masqueraded as an aerobics instructor on Facebook in an attempt to infect the machine of an employee of an aerospace defense contractor with malware as part of a years-long social engineering and targeted malware campaign. Enterprise security firm Proofpoint attributed the covert operation to a state-aligned threat actor it tracks as TA456, and by the wider cybersecurity community under the monikers Tortoiseshell and Imperial Kitten. "Using the social media persona 'Marcella Flores,' TA456 built a relationship across corporate and personal communication platforms with an employee of a small subsidiary of an aerospace defense contractor," Proofpoint  said  in a report shared with The Hacker News. "In early June 2021, the threat actor attempted to capitalize on this relationship by sending the target malware via an ongoing email communication chain." Earlier this month, Facebook  revealed  it took steps to dismantle a ...

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Cybersecurity researchers have discovered multiple security vulnerabilities in Zimbra email collaboration software that could be potentially exploited to compromise email accounts by sending a malicious message and even achieve a full takeover of the mail server when hosted on a cloud infrastructure. The flaws — tracked as CVE-2021-35208 and CVE-2021-35208 — were discovered and reported in Zimbra 8.8.15 by researchers from code quality and security solutions provider SonarSource in May 2021. Mitigations have since been  released  in Zimbra versions 8.8.15 Patch 23 and 9.0.0 Patch 16. CVE-2021-35208  (CVSS score: 5.4) - Stored XSS Vulnerability in ZmMailMsgView.java CVE-2021-35209  (CVSS score: 6.1) - Proxy Servlet Open Redirect Vulnerability "A combination of these vulnerabilities could enable an unauthenticated attacker to compromise a complete Zimbra webmail server of a targeted organization,"  said  SonarSource vulnerability researcher, Simon Sc...

Cybersecurity researchers on Tuesday disclosed nine security vulnerabilities affecting three open-source projects —  EspoCRM ,  Pimcore , and  Akaunting  — that are widely used by several small to medium businesses and, if successfully exploited, could provide a pathway to more sophisticated attacks. All the security flaws in question, which impact EspoCRM v6.1.6, Pimcore Customer Data Framework v3.0.0, Pimcore AdminBundle v6.8.0, and Akaunting v2.1.12, were fixed within a day of responsible disclosure, researchers Wiktor Sędkowski of Nokia and Trevor Christiansen of Rapid7  noted. Six of the nine flaws were uncovered in the Akaunting project. EspoCRM is an open-source customer relationship management (CRM) application, while Pimcore is an open-source enterprise software platform for customer data management, digital asset management, content management, and digital commerce. Akaunting, on the other hand, is an open-source and online accounting software desi...

Threat actors are increasingly shifting to "exotic" programming languages such as Go, Rust, Nim, and Dlang that can better circumvent conventional security protections, evade analysis, and hamper reverse engineering efforts. "Malware authors are known for their ability to adapt and modify their skills and behaviors to take advantage of newer technologies,"  said  Eric Milam, Vice President of threat research at BlackBerry. "That tactic has multiple benefits from the development cycle and inherent lack of coverage from protective products." On the one hand, languages like Rust are more secure as they offer guarantees like  memory-safe programming , but they can also be a double-edged sword when malware engineers abuse the same features designed to offer increased safeguards to their advantage, thereby making malware less susceptible to exploitation and thwart attempts to  activate a kill-switch  and render them powerless. Noting that binaries written i...

Apple on Monday rolled out an urgent security update for  iOS, iPadOS , and  macOS  to address a zero-day flaw that it said may have been actively exploited, making it the thirteenth such vulnerability Apple has patched since the start of this year. The updates, which arrive less than a week after the company released iOS 14.7, iPadOS 14.7, and macOS Big Sur 11.5 to the public, fixes a memory corruption issue ( CVE-2021-30807 ) in the IOMobileFrameBuffer component, a kernel extension for managing the screen  framebuffer , that could be abused to execute arbitrary code with kernel privileges. The company said it addressed the issue with improved memory handling, noting it's "aware of a report that this issue may have been actively exploited." As is typically the case, additional details about the flaw have not been disclosed to prevent the weaponization of the vulnerability for additional attacks. Apple credited an anonymous researcher for discovering and reporting...

There is a saying that goes something like, "Do not judge a book by its cover." Yet, we all know we can not help but do just that - especially when it comes to online security. Logos play a significant role in whether or not we open an email and how we assess the importance of each message. Brand Indicators for Message Identification, or BIMI, aims to make it easier for us to quickly identify important information within emails using branding guidelines and visual cues found in logos.  In recent years, users are often unsure about the authenticity of emails, and this has become a major issue for businesses fighting spam. BIMI gives email users access to information about a brand's identity. A company has complete control and freedom over what logo to attach to authenticated emails. Overall, BIMI acts as an additional layer of security to the existing email authentication process. What is BIMI, and how does it strengthen the security of your emails?  BIMI is a standa...

Microsoft Windows 10 and Windows 11 users are at risk of a new unpatched vulnerability that was recently disclosed publicly. As we reported last week, the vulnerability — SeriousSAM — allows attackers with low-level permissions to access Windows system files to perform a Pass-the-Hash (and potentially Silver Ticket) attack.  Attackers can exploit this vulnerability to obtain hashed passwords stored in the Security Account Manager (SAM) and Registry, and ultimately run arbitrary code with SYSTEM privileges. SeriousSAM vulnerability, tracked as CVE-2021-36934 , exists in the default configuration of Windows 10 and Windows 11, specifically due to a setting that allows 'read' permissions to the built-in user's group that contains all local users. As a result, built-in local users have access to read the SAM files and the Registry, where they can also view the hashes. Once the attacker has 'User' access, they can use a tool such as Mimikatz to gain access to the Re...