New research has disclosed what’s being called a security vulnerability in Microsoft 365 that could be exploited to infer message contents due to the use of a broken cryptographic algorithm. “The [Office 365 Message Encryption] messages are encrypted in insecure Electronic Codebook (ECB) mode of operation,” Finnish cybersecurity company WithSecure said in a report published […]
A new piece of research has detailed the increasingly sophisticated nature of the malware toolset employed by an advanced persistent threat (APT) group named Earth Aughisky. “Over the last decade, the group has continued to make adjustments in the tools and malware deployments on specific targets located in Taiwan and, more recently, Japan,” Trend Micro […]
Researchers have disclosed details about a now-patched high-severity security flaw in Packagist, a PHP software package repository, that could have been exploited to mount software supply chain attacks. “This vulnerability allows gaining control of Packagist,” SonarSource researcher Thomas Chauchefoin said in a report shared with The Hacker News. Packagist is used by the PHP package […]
A new, multi-functional Go-based malware dubbed Chaos has been rapidly growing in volume in recent months to ensnare a wide range of Windows, Linux, small office/home office (SOHO) routers, and enterprise servers into its botnet. “Chaos functionality includes the ability to enumerate the host environment, run remote shell commands, load additional modules, automatically propagate through […]
At least three alleged hacktivist groups working in support of Russian interests are likely doing so in collaboration with state-sponsored cyber threat actors, according to Mandiant. The Google-owned threat intelligence and incident response firm said with moderate confidence that “moderators of the purported hacktivist Telegram channels ‘XakNet Team,’ ‘Infoccentr,’ and ‘CyberArmyofRussia_Reborn’ are coordinating their operations […]
A previously undocumented threat actor of unknown origin has been linked to attacks targeting telecom, internet service providers, and universities across multiple countries in the Middle East and Africa. “The operators are highly aware of operations security, managing carefully segmented infrastructure per victim, and quickly deploying intricate countermeasures in the presence of security solutions,” researchers […]
Researchers have disclosed a new severe Oracle Cloud Infrastructure (OCI) vulnerability that could be exploited by users to access the virtual disks of other Oracle customers. “Each virtual disk in Oracle’s cloud has a unique identifier called OCID,” Shir Tamari, head of research at Wiz, said in a series of tweets. “This identifier is not […]
Cybersecurity researchers have exposed new connections between a widely used pay-per-install (PPI) malware service known as PrivateLoader and another PPI platform offered by a cybercriminal actor dubbed ruzki. “The threat actor ruzki (aka les0k, zhigalsz) advertises their PPI service on underground Russian-speaking forums and their Telegram channels under the name ruzki or zhigalsz since at […]
Palo Alto Networks Unit 42 has detailed the inner workings of a malware called OriginLogger, which has been touted as a successor to the widely used information stealer and remote access trojan (RAT) known as Agent Tesla. A .NET based keylogger and remote access, Agent Tesla has had a long-standing presence in the threat landscape, […]
China has accused the U.S. National Security Agency (NSA) of conducting a string of cyberattacks aimed at aeronautical and military research-oriented Northwestern Polytechnical University in the city of Xi’an in June 2022. The National Computer Virus Emergency Response Centre (NCVERC) disclosed its findings last week, and accused the Office of Tailored Access Operations (TAO) at […]
A previously undocumented strain of Android spyware with extensive information gathering capabilities has been found disguised as a book likely designed to target the Uyghur community in China. The malware comes under the guise of a book titled “The China Freedom Trap,” a biography written by the exiled Uyghur leader Dolkun Isa. “In light of […]
The operators of the emerging cross-platform BianLian ransomware have increased their command-and-control (C2) infrastructure this month, a development that alludes to an increase in the group’s operational tempo. BianLian, written in the Go programming language, was first discovered in mid-July 2022 and has claimed 15 victim organizations as of September 1, cybersecurity firm [redacted] said […]
The North Korean nation-state group Kimusky has been linked to a new set of malicious activities directed against political and diplomatic entities located in its southern counterpart since early 2022. Russian cybersecurity firm Kaspersky codenamed the cluster GoldDragon, with the infection chains leading to the deployment of Windows malware designed to file lists, user keystrokes, […]
A .NET-based evasive crypter named DarkTortilla has been used by threat actors to distribute a broad array of commodity malware as well as targeted payloads like Cobalt Strike and Metasploit, likely since 2015. “It can also deliver ‘add-on packages’ such as additional malicious payloads, benign decoy documents, and executables,” cybersecurity firm Secureworks said in a […]
A security feature bypass vulnerability has been uncovered in three signed third-party Unified Extensible Firmware Interface (UEFI) boot loaders that allow bypass of the UEFI Secure Boot feature. “These vulnerabilities can be exploited by mounting the EFI System Partition and replacing the existing bootloader with the vulnerable one, or modifying a UEFI variable to load […]
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Thursday added two flaws to its Known Exploited Vulnerabilities Catalog, citing evidence of active exploitation. The two high-severity issues relate to weaknesses in Zimbra Collaboration, both of which could be chained to achieve unauthenticated remote code execution on affected email servers – CVE-2022-27925 (CVSS score: 7.2) […]
The decentralized file system solution known as IPFS is becoming the new “hotbed” for hosting phishing sites, researchers have warned. Cybersecurity firm Trustwave SpiderLabs, which disclosed specifics of the spam campaigns, said it identified no less than 3,000 emails containing IPFS phishing URLs as an attack vector in the last three months. IPFS, short for […]
Cybersecurity researchers have uncovered new variants of the ChromeLoader information-stealing malware, highlighting its evolving feature set in a short span of time. Primarily used for hijacking victims’ browser searches and presenting advertisements, ChromeLoader came to light in January 2022 and has been distributed in the form of ISO or DMG file downloads advertised via QR […]
The operators behind the Qakbot malware are transforming their delivery vectors in an attempt to sidestep detection. “Most recently, threat actors have transformed their techniques to evade detection by using ZIP file extensions, enticing file names with common formats, and Excel (XLM) 4.0 to trick victims into downloading malicious attachments that install Qakbot,” Zscaler Threatlabz […]
Cybersecurity researchers are drawing attention to an ongoing wave of attacks linked to a threat cluster tracked as Raspberry Robin that’s behind a Windows malware with worm-like capabilities. Describing it as a “persistent” and “spreading” threat, Cybereason said it observed a number of victims in Europe. The infections involve a worm that propagates over removable […]
LockBit ransomware attacks are constantly evolving by making use of a wide range of techniques to infect targets while also taking steps to disable endpoint security solutions. “The affiliates that use LockBit’s services conduct their attacks according to their preference and use different tools and techniques to achieve their goal,” Cybereason security analysts Loïc Castel […]