RustDoor macOS Backdoor Targets Cryptocurrency Firms with Fake Job Offers

Multiple companies operating in the cryptocurrency sector are the target of an ongoing malware campaign that involves a newly discovered Apple macOS backdoor codenamed RustDoor. RustDoor was first documented by Bitdefender last week, describing it as a Rust-based malware capable of harvesting and uploading files, as well as gathering information about the infected machines. It's

N. Korean Hackers 'Mixing' macOS Malware Tactics to Evade Detection

The North Korean threat actors behind macOS malware strains such as RustBucket and KANDYKORN have been observed "mixing and matching" different elements of the two disparate attack chains, leveraging RustBucket droppers to deliver KANDYKORN. The findings come from cybersecurity firm SentinelOne, which also tied a third macOS-specific malware called ObjCShellz to the RustBucket campaign

ClearFake Campaign Expands to Target Mac Systems with Atomic Stealer

The macOS information stealer known as Atomic is now being delivered to target via a bogus web browser update chain tracked as ClearFake. "This may very well be the first time we see one of the main social engineering campaigns, previously reserved for Windows, branch out not only in terms of geolocation but also operating system," Malwarebytes' Jérôme Segura said in a Tuesday analysis. Atomic

Indian Hack-for-Hire Group Targeted U.S., China, and More for Over 10 Years

An Indian hack-for-hire group targeted the U.S., China, Myanmar, Pakistan, Kuwait, and other countries as part of a wide-ranging espionage, surveillance, and disruptive operation for over a decade. The Appin Software Security (aka Appin Security Group), according to an in-depth analysis from SentinelOne, began as an educational startup offering offensive security training programs, while

Microsoft Warns of Fake Skills Assessment Portals Targeting IT Job Seekers

A sub-cluster within the infamous Lazarus Group has established new infrastructure that impersonates skills assessment portals as part of its social engineering campaigns. Microsoft attributed the activity to a threat actor it calls Sapphire Sleet, describing it as a "shift in the persistent actor's tactics." Sapphire Sleet, also called APT38, BlueNoroff, CageyChameleon, and CryptoCore, has a

N. Korea's BlueNoroff Blamed for Hacking macOS Machines with ObjCShellz Malware

The North Korea-linked nation-state group called BlueNoroff has been attributed to a previously undocumented macOS malware strain dubbed ObjCShellz. Jamf Threat Labs, which disclosed details of the malware, said it's used as part of the RustBucket malware campaign, which came to light earlier this year. "Based on previous attacks performed by BlueNoroff, we suspect that this malware was a late

Mac Users Beware: Malvertising Campaign Spreads Atomic Stealer macOS Malware

A new malvertising campaign has been observed distributing an updated version of a macOS stealer malware called Atomic Stealer (or AMOS), indicating that it’s being actively maintained by its author. An off-the-shelf Golang malware available for $1,000 per month, Atomic Stealer first came to light in April 2023. Shortly after that, new variants with an expanded set of information-gathering

Iranian Hackers' Sophisticated Malware Targets Windows and macOS Users

The Iranian nation-state actor known as TA453 has been linked to a new set of spear-phishing attacks that infect both Windows and macOS operating systems with malware. "TA453 eventually used a variety of cloud hosting providers to deliver a novel infection chain that deploys the newly identified PowerShell backdoor GorjolEcho," Proofpoint said in a new report. "When given the opportunity, TA453