Security News

Nexus malware is an Android banking trojan promoted via a malware-as-a-service model. In an underground cybercrime forum ad, the malware project is described as "Very new" and "Under continuous development." More messages from the Nexus author in one forum thread indicate the malware code has been created from scratch.

A number of zero-day vulnerabilities that were addressed last year were exploited by commercial spyware vendors to target Android and iOS devices, Google's Threat Analysis Group has revealed. Upon clicking, the URLs redirected the recipients to web pages hosting exploits for Android or iOS, before they were redirected again to legitimate news or shipment-tracking websites.

Google's Threat Analysis Group discovered several exploit chains using Android, iOS, and Chrome zero-day and n-day vulnerabilities to install commercial spyware and malicious apps on targets' devices. The attackers targeted iOS and Android users with separate exploit chains as part of a first campaign spotted in November 2022.

Google Chat histories handed over by the web giant in ongoing Android antitrust litigation reveal the biz has been systematically destroying evidence, according to those suing the big G. "Google employees regularly and intentionally diverted to 'history off' Chats [sic] conversations about Google's anticompetitive Revenue Share Agreements, Mobile Application Distribution Agreements, Google Play Billing payment policies and pricing, and a variety of other critical issues - specifically to ensure that those Chats would be destroyed," the plaintiffs - a mix of state government, corporate, and individuals - claim in a legal brief [PDF] filed on Monday. The brief touches on many more of the conversations captured in the exhibits, and notes that most interactions of this sort leave no record at all because Google has coached employees to "'communicat[e] with care' because Google 'often ha[s] to produce employee communications as evidence.

An emerging Android banking trojan dubbed Nexus has already been adopted by several threat actors to target 450 financial applications and conduct fraud. "Nexus provides all the main features to perform ATO attacks against banking portals and cryptocurrency services, such as credentials stealing and SMS interception."

Google security analysts have warned Android device users that several zero-day vulnerabilities in some Samsung chipsets could allow an attacker to completely hijack and remote-control their handsets knowing just the phone number. Between late 2022 and early this year, Google's Project Zero found and reported 18 of these bugs in Samsung's Exynos cellular modem firmware, according to Tim Willis, who heads the bug-hunting team.

Google has just revealed a fourfecta of critical zero-day bugs affecting a wide range of Android phones, including some of its own Pixel models. The four bugs we're talking about here are known as baseband vulnerabilities, meaning that they exist in the special mobile phone networking firmware that runs on the phone's so-called baseband chip.

Roid malware 'FakeCalls' is circulating again in South Korea, imitating phone calls for over 20 financial organizations and attempting to fool bankers into giving away their credit card details. "We discovered more than 2500 samples of the FakeCalls malware that used a variety of combinations of mimicked financial organizations and implemented anti-analysis techniques," reads CheckPoint's report.

Microsoft will soon fast-track multi-factor authentication adoption for its Microsoft 365 cloud productivity platform by adding MFA capabilities to the Outlook email client. The company says in a new Microsoft 365 roadmap entry that users will be able to complete MFA requests for Microsoft 365 apps directly in the Outlook app via a new feature dubbed Authenticator Lite.

The Xenomorph Android malware has released a new version that adds significant capabilities to conduct malicious attacks, including a new automated transfer system framework and the ability to steal credentials for 400 banks. "With these new features, Xenomorph is now able to complete automate the whole fraud chain, from infection to funds exfiltration, making it one of the most advanced and dangerous Android Malware trojans in circulation," warns ThreatFabric.