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The operators of the XCSSET macOS malware have upped the stakes by making iterative improvements that add support for macOS Monterey by upgrading its source code components to Python 3. "The malware authors have changed from hiding the primary executable in a fake Xcode.app in the initial versions in 2020 to a fake Mail.app in 2021 and now to a fake Notes.app in 2022," SentinelOne researchers Phil Stokes and Dinesh Devadoss  said  in a report. XCSSET, first  documented  by Trend Micro in 2020, has many moving parts that allow it to  harvest sensitive information  from Apple Notes, WeChat, Skype, and Telegram; inject malicious JavaScript code into various websites; and dump cookies from Safari web browser. Infection chains entail using a dropper to compromise users' Xcode projects with the backdoor, with the latter also taking steps to evade detection by masquerading as either system software or the Google Chrome web browser application. The primary ex...

Ransomware is the de facto threat organizations have faced over the past few years. Threat actors were making easy money by exploiting the high valuation of cryptocurrencies and their victims' lack of adequate preparation.  Think about bad security policies, untested backups, patch management practices not up-to-par, and so forth. It resulted in easy growth for ransomware extortion, a crime that multiple threat actors around the world perpetrate.  Something's changed, though. Crypto valuations have dropped, reducing the monetary appeal of ransomware attacks due to organizations mounting a formidable defense against ransomware. Threat actors have been searching for another opportunity – and found one. It's called data exfiltration, or exfil, a type of espionage causing headaches at organizations worldwide. Let's take a look. The threat to reveal confidential information Information exfiltration is rapidly becoming more prevalent. Earlier this year, incidents at Nvi...

A suspected Iranian threat activity cluster has been linked to attacks aimed at Israeli shipping, government, energy, and healthcare organizations as part of an espionage-focused campaign that commenced in late 2020. Cybersecurity firm Mandiant is tracking the group under its uncategorized moniker  UNC3890 , which is believed to conduct operations that align with Iranian interests. "The collected data may be leveraged to support various activities, from hack-and-leak, to enabling kinetic warfare attacks like those that have plagued the shipping industry in recent years," the company's Israel Research Team  noted . Intrusions mounted by the group lead to the deployment of two proprietary pieces of malware: a "small but efficient" backdoor named SUGARUSH and a browser credential stealer called SUGARDUMP that exfiltrates password information to an email address associated with Gmail, ProtonMail, Yahoo, and Yandex. Also employed is a network of command-and-con...

While phishing and ransomware dominate headlines, another critical risk quietly persists across most enterprises: exposed Git repositories leaking sensitive data. A risk that silently creates shadow access into core systems Git is the backbone of modern software development, hosting millions of repositories and serving thousands of organizations worldwide. Yet, amid the daily hustle of shipping code, developers may inadvertently leave behind API keys, tokens, or passwords in configuration files and code files, effectively handing attackers the keys to the kingdom. This isn't just about poor hygiene; it's a systemic and growing supply chain risk. As cyber threats become more sophisticated, so do compliance requirements. Security frameworks like NIS2, SOC2, and ISO 27001 now demand proof that software delivery pipelines are hardened and third-party risk is controlled. The message is clear: securing your Git repositories is no longer optional, it's essential. Below, we look at the ris...

A novel data exfiltration technique has been found to leverage a covert ultrasonic channel to leak sensitive information from isolated, air-gapped computers to a nearby smartphone that doesn't even require a microphone to pick up the sound waves. Dubbed  GAIROSCOPE , the adversarial model is the latest addition to a long list of  acoustic, electromagnetic, optical, and thermal approaches  devised by Dr. Mordechai Guri , the head of R&D in the Cyber Security Research Center in the Ben Gurion University of the Negev in Israel. "Our malware generates ultrasonic tones in the resonance frequencies of the  MEMS gyroscope ," Dr. Guri said in a  new paper  published this week. "These inaudible frequencies produce tiny mechanical oscillations within the smartphone's gyroscope, which can be demodulated into binary information." Air-gapping is seen as an  essential security countermeasure  that involves isolating a computer or network and preventing...

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Monday  added  a security flaw impacting Palo Alto Networks PAN-OS to its  Known Exploited Vulnerabilities Catalog , based on evidence of active exploitation. The high-severity vulnerability, tracked as  CVE-2022-0028  (CVSS score: 8.6), is a URL filtering policy misconfiguration that could allow an unauthenticated, remote attacker to carry out reflected and amplified TCP denial-of-service (DoS) attacks. "If exploited, this issue would not impact the confidentiality, integrity, or availability of our products," Palo Alto Networks said in an alert. "However, the resulting denial-of-service (DoS) attack may help obfuscate the identity of the attacker and implicate the firewall as the source of the attack. The weakness impacts the following product versions and has been addressed as part of updates released this month - PAN-OS 10.2 (version < 10.2.2-h2) PAN-OS 10.1 (version < 10.1.6-h...

Budget Android device models that are counterfeit versions associated with popular smartphone brands are harboring multiple trojans designed to target WhatsApp and WhatsApp Business messaging apps. The malware, which Doctor Web first came across in July 2022, were discovered in the system partition of at least four different smartphones: P48pro, radmi note 8, Note30u, and Mate40, was "These incidents are united by the fact that the attacked devices were copycats of famous brand-name models," the cybersecurity firm  said  in a report published today. "Moreover, instead of having one of the latest OS versions installed on them with the corresponding information displayed in the device details (for example, Android 10), they had the long outdated 4.4.2 version." Specifically, the tampering concerns two files "/system/lib/libcutils.so" and "/system/lib/libmtd.so" that are modified in such a manner that when the libcutils.so system library is us...

Details of an eight-year-old security vulnerability in the Linux kernel have emerged that the researchers say is "as nasty as Dirty Pipe." Dubbed  DirtyCred  by a group of academics from Northwestern University, the security weakness exploits a previously unknown flaw ( CVE-2022-2588 ) to escalate privileges to the maximum level. "DirtyCred is a kernel exploitation concept that swaps unprivileged  kernel credentials  with privileged ones to escalate privilege," researchers Zhenpeng Lin, Yuhang Wu, and Xinyu Xing noted. "Instead of overwriting any critical data fields on kernel heap, DirtyCred abuses the heap memory reuse mechanism to get privileged." This entails three steps - Free an in-use unprivileged credential with the vulnerability Allocate privileged credentials in the freed memory slot by triggering a privileged userspace process such as su, mount, or sshd Operate as a privileged user The novel exploitation method, according to the resea...

Atlanta-based cyber risk intelligence company, Cyble discovered a new Remote Access Trojan (RAT) malware. What makes this particular RAT malware distinct enough to be named after the  comic creation of Sacha Baron Cohen ? RAT malware typically helps cybercriminals gain complete control of a victim's system, permitting them to access network resources, files, and power to toggle the mouse and keyboard. Borat RAT malware goes beyond the standard features and enables threat actors to deploy ransomware and  DDoS attacks . It also increases the number of threat actors who can launch attacks, sometimes appealing to the lowest common denominator. The added functionality of carrying out DDoS attacks makes it insidious and a risk to today's digital organizations. Ransomware has been the most common top attack type for over  three years . According to an IBM report, REvil was the most common ransomware strain, consisting of about  37%  of all ransomware attacks. Borat ...

Researchers have disclosed multiple vulnerabilities impacting Ultra-wideband (UWB) Real-time Locating Systems ( RTLS ), enabling threat actors to launch adversary-in-the-middle (AitM) attacks and tamper with location data. "The zero-days found specifically pose a security risk for workers in industrial environments," cybersecurity firm Nozomi Networks  disclosed  in a technical write-up last week. "If a threat actor exploits these vulnerabilities, they have the ability to tamper with safety zones designated by RTLS to protect workers in hazardous areas." RTLS is used to automatically identify and track the location of objects or people in real-time, usually within a confined indoor area. This is achieved by making use of tags that are attached to assets, which broadcast USB signals to fixed reference points called anchors that then determine their location. But flaws identified in RTLS solutions –  Sewio Indoor Tracking RTLS UWB Wi-Fi Kit  and  Avalue Renit...

Bitcoin ATM manufacturer General Bytes confirmed that it was a victim of a cyberattack that exploited a previously unknown flaw in its software to plunder cryptocurrency from its users. "The attacker was able to create an admin user remotely via CAS administrative interface via a URL call on the page that is used for the default installation on the server and creating the first administration user," the company  said  in an advisory last week. "This vulnerability has been present in CAS software since version 2020-12-08." It's not immediately clear how many servers were breached using this flaw and how much cryptocurrency was stolen. CAS is short for  Crypto Application Server , a self-hosted product from General Bytes that enables companies to manage Bitcoin ATM ( BATM ) machines from a central location via a web browser on a desktop or a mobile device. The zero-day flaw, which concerned a bug in the CAS admin interface, has been mitigated in two server p...

Organizations in the Spanish-speaking nations of Mexico and Spain are in the crosshairs of a new campaign designed to deliver the  Grandoreiro  banking trojan.  "In this campaign, the threat actors impersonate government officials from the Attorney General's Office of Mexico City and from the Public Ministry in the form of spear-phishing emails in order to lure victims to download and execute 'Grandoreiro,' a prolific banking trojan that has been active since at least 2016, and that specifically targets users in Latin America," Zscaler  said  in a report. The ongoing attacks, which commenced in June 2022, have been observed to target automotive, civil and industrial construction, logistics, and machinery sectors via multiple infection chains in Mexico and chemicals manufacturing industries in Spain. Attack chains entail leveraging spear-phishing emails written in Spanish to trick potential victims into clicking on an embedded link that retrieves a ZIP archi...

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