A new wave of phishing messages distributing the QakBot malware has been observed, more than three months after a law enforcement effort saw its infrastructure dismantled by infiltrating its command-and-control (C2) network.
Microsoft, which made the discovery, described it as a low-volume campaign that began on December 11, 2023, and targeted the hospitality industry.
"Targets
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) is urging manufacturers to get rid of default passwords on internet-exposed systems altogether, citing severe risks that could be exploited by malicious actors to gain initial access to, and move laterally within, organizations.
In an alert published last week, the agency called out Iranian threat actors affiliated with
MongoDB on Saturday disclosed it's actively investigating a security incident that has led to unauthorized access to "certain" corporate systems, resulting in the exposure of customer account metadata and contact information.
The American database software company said it first detected anomalous activity on December 13, 2023, and that it immediately activated its incident response
Microsoft is warning of an uptick in malicious activity from an emerging threat cluster it's tracking as Storm-0539 for orchestrating gift card fraud and theft via highly sophisticated email and SMS phishing attacks against retail entities during the holiday shopping season.
The goal of the attacks is to propagate booby-trapped links that direct victims to adversary-in-the-middle (AiTM
Crypto hardware wallet maker Ledger published a new version of its "@ledgerhq/connect-kit" npm module after unidentified threat actors pushed malicious code that led to the theft of more than $600,000 in virtual assets.
The compromise was the result of a former employee falling victim to a phishing attack, the company said in a statement.
This allowed the attackers to gain
Multiple security vulnerabilities have been discovered in the open-source Netgate pfSense firewall solution called pfSense that could be chained by an attacker to execute arbitrary commands on susceptible appliances.
The issues relate to two reflected cross-site scripting (XSS) bugs and one command injection flaw, according to new findings from Sonar.
"Security inside a local network is often
Microsoft on Wednesday said it obtained a court order to seize infrastructure set up by a group called Storm-1152 that peddled roughly 750 million fraudulent Microsoft accounts and tools through a network of bogus websites and social media pages to other criminal actors, netting the operators millions of dollars in illicit revenue.
"Fraudulent online accounts act as the gateway to a host of
The threat actors behind the BazaCall call back phishing attacks have been observed leveraging Google Forms to lend the scheme a veneer of credibility.
The method is an "attempt to elevate the perceived authenticity of the initial malicious emails," cybersecurity firm Abnormal Security said in a report published today.
BazaCall (aka BazarCall), which was first
Microsoft has warned that adversaries are using OAuth applications as an automation tool to deploy virtual machines (VMs) for cryptocurrency mining and launch phishing attacks.
"Threat actors compromise user accounts to create, modify, and grant high privileges to OAuth applications that they can misuse to hide malicious activity," the Microsoft Threat Intelligence team said in an
The Russian nation-state threat actor known as APT28 has been observed making use of lures related to the ongoing Israel-Hamas war to facilitate the delivery of a custom backdoor called HeadLace.
IBM X-Force is tracking the adversary under the name ITG05, which is also known as BlueDelta, Fancy Bear, Forest Blizzard (formerly Strontium), FROZENLAKE, Iron Twilight, Sednit, Sofacy, and
A phishing campaign has been observed delivering an information stealer malware called MrAnon Stealer to unsuspecting victims via seemingly benign booking-themed PDF lures.
"This malware is a Python-based information stealer compressed with cx-Freeze to evade detection," Fortinet FortiGuard Labs researcher Cara Lin said. "MrAnon Stealer steals its victims' credentials, system
Threat hunters have unmasked the latest tricks adopted by a malware strain called GuLoader in an effort to make analysis more challenging.
"While GuLoader's core functionality hasn't changed drastically over the past few years, these constant updates in their obfuscation techniques make analyzing GuLoader a time-consuming and resource-intensive process," Elastic Security Labs
The North Korean threat actor known as Kimsuky has been observed targeting research institutes in South Korea as part of a spear-phishing campaign with the ultimate goal of distributing backdoors on compromised systems.
"The threat actor ultimately uses a backdoor to steal information and execute commands," the AhnLab Security Emergency Response Center (ASEC) said in an
The threat actor known as COLDRIVER has continued to engage in credential theft activities against entities that are of strategic interests to Russia while simultaneously improving its detection evasion capabilities.
The Microsoft Threat Intelligence team is tracking under the cluster as Star Blizzard (formerly SEABORGIUM). It's also called Blue Callisto, BlueCharlie (or TAG-53),
Humans are complex beings with consciousness, emotions, and the capacity to act based on thoughts. In the ever-evolving realm of cybersecurity, humans consistently remain primary targets for attackers. Over the years, these attackers have developed their expertise in exploiting various human qualities, sharpening their skills to manipulate biases and emotional triggers with the objective of
A previously undocumented threat actor has been linked to a cyber attack targeting an aerospace organization in the U.S. as part of what's suspected to be a cyber espionage mission.
The BlackBerry Threat Research and Intelligence team is tracking the activity cluster as AeroBlade. Its origin is currently unknown and it's not clear if the attack was successful.
"The actor used spear-phishing
Microsoft on Monday said it detected Kremlin-backed nation-state activity exploiting a now-patched critical security flaw in its Outlook email service to gain unauthorized access to victims' accounts within Exchange servers.
The tech giant attributed the intrusions to a threat actor it called Forest Blizzard (formerly Strontium), which is also widely tracked under the
As work ebbs with the typical end-of-year slowdown, now is a good time to review user roles and privileges and remove anyone who shouldn’t have access as well as trim unnecessary permissions. In addition to saving some unnecessary license fees, a clean user inventory significantly enhances the security of your SaaS applications. From reducing risk to protecting against data leakage, here is how
Cybersecurity researchers have disclosed a new sophisticated Android malware called FjordPhantom that has been observed targeting users in Southeast Asian countries like Indonesia, Thailand, and Vietnam since early September 2023.
"Spreading primarily through messaging services, it combines app-based malware with social engineering to defraud banking customers," Oslo-based mobile app
Google has revealed a new multilingual text vectorizer called RETVec (short for Resilient and Efficient Text Vectorizer) to help detect potentially harmful content such as spam and malicious emails in Gmail.
"RETVec is trained to be resilient against character-level manipulations including insertion, deletion, typos, homoglyphs, LEET substitution, and more," according to the&
Threat actors from the Democratic People's Republic of Korea (DPRK) are increasingly targeting the cryptocurrency sector as a major revenue generation mechanism since at least 2017 to get around sanctions imposed against the country.
"Even though movement in and out of and within the country is heavily restricted, and its general population is isolated from the rest of the world, the
Identity services provider Okta has disclosed that it detected "additional threat actor activity" in connection with the October 2023 breach of its support case management system.
"The threat actor downloaded the names and email addresses of all Okta customer support system users," the company said in a statement shared with The Hacker News.
"All Okta Workforce Identity Cloud (WIC) and
Account credentials, a popular initial access vector, have become a valuable commodity in cybercrime. As a result, a single set of stolen credentials can put your organization’s entire network at risk.
According to the 2023 Verizon Data Breach Investigation Report, external parties were responsible for 83 percent of breaches that occurred between November 2021 and October 2022.&
A coordinated law enforcement operation has led to the arrest of key individuals in Ukraine who are alleged to be a part of several ransomware schemes.
"On 21 November, 30 properties were searched in the regions of Kyiv, Cherkasy, Rivne, and Vinnytsia, resulting in the arrest of the 32-year-old ringleader," Europol said in a statement today. "Four of the ringleader's most active
More details have emerged about a malicious Telegram bot called Telekopye that's used by threat actors to pull off large-scale phishing scams.
"Telekopye can craft phishing websites, emails, SMS messages, and more," ESET security researcher Radek Jizba said in a new analysis.
The threat actors behind the operation – codenamed Neanderthals – are known to run the criminal enterprise as a
A new phishing attack has been observed leveraging a Russian-language Microsoft Word document to deliver malware capable of harvesting sensitive information from compromised Windows hosts.
The activity has been attributed to a threat actor called Konni, which is assessed to share overlaps with a North Korean cluster tracked as Kimsuky (aka APT43).
"This campaign relies on a remote access trojan
North Korean threat actors have been linked to two campaigns in which they masquerade as both job recruiters and seekers to distribute malware and obtain unauthorized employment with organizations based in the U.S. and other parts of the world.
The activity clusters have been codenamed Contagious Interview and Wagemole, respectively, by Palo Alto Networks Unit 42.
While the first set of attacks
A new variant of the Agent Tesla malware has been observed delivered via a lure file with the ZPAQ compression format to harvest data from several email clients and nearly 40 web browsers.
"ZPAQ is a file compression format that offers a better compression ratio and journaling function compared to widely used formats like ZIP and RAR," G Data malware analyst Anna Lvova said in a Monday analysis.
Phishing attacks are steadily becoming more sophisticated, with cybercriminals investing in new ways of deceiving victims into revealing sensitive information or installing malicious software. One of the latest trends in phishing is the use of QR codes, CAPTCHAs, and steganography. See how they are carried out and learn to detect them.
Quishing
Quishing, a phishing technique resulting from the
The China-linked Mustang Panda actor has been linked to a cyber attack targeting a Philippines government entity amid rising tensions between the two countries over the disputed South China Sea.
Palo Alto Networks Unit 42 attributed the adversarial collective to three campaigns in August 2023, primarily singling out organizations in the South Pacific.
"The campaigns leveraged legitimate software
Threat actors are targeting the education, government and business services sectors with a remote access trojan called NetSupport RAT.
"The delivery mechanisms for the NetSupport RAT encompass fraudulent updates, drive-by downloads, utilization of malware loaders (such as GHOSTPULSE), and various forms of phishing campaigns," VMware Carbon Black researchers said in a report shared with The
Phishing campaigns delivering malware families such as DarkGate and PikaBot are following the same tactics previously used in attacks leveraging the now-defunct QakBot trojan.
“These include hijacked email threads as the initial infection, URLs with unique patterns that limit user access, and an infection chain nearly identical to what we have seen with QakBot delivery,” Cofense said in a report
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
Russian cyber espionage actors affiliated with the Federal Security Service (FSB) have been observed using a USB propagating worm called LitterDrifter in attacks targeting Ukrainian entities.
Check Point, which detailed Gamaredon's (aka Aqua Blizzard, Iron Tilden, Primitive Bear, Shuckworm, and Winterflounder) latest tactics, branded the group as engaging in large-scale campaigns that are
Threat actors are leveraging manipulated search results and bogus Google ads that trick users who are looking to download legitimate software such as WinSCP into installing malware instead.
Cybersecurity company Securonix is tracking the ongoing activity under the name SEO#LURKER.
“The malicious advertisement directs the user to a compromised WordPress website gameeweb[.]com, which redirects the
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Thursday added three security flaws to its Known Exploited Vulnerabilities (KEV) catalog based on evidence of active exploitation in the wild.
The vulnerabilities are as follows -
CVE-2023-36584 (CVSS score: 5.4) - Microsoft Windows Mark-of-the-Web (MotW) Security Feature Bypass Vulnerability
CVE-2023-1671 (CVSS score: 9.8) -
A hacking group that leveraged a recently disclosed security flaw in the WinRAR software as a zero-day has now been categorized as an entirely new advanced persistent threat (APT).
Cybersecurity company NSFOCUS has described DarkCasino as an "economically motivated" actor that first came to light in 2021.
"DarkCasino is an APT threat actor with strong technical and learning ability, who is good
Government entities in the Middle East are the target of new phishing campaigns that are designed to deliver a new initial access downloader dubbed IronWind.
The activity, detected between July and October 2023, has been attributed by Proofpoint to a threat actor it tracks under the name TA402, which is also known as Molerats, Gaza Cyber Gang, and shares tactical overlaps with a pro-Hamas
The Vietnamese threat actors behind the Ducktail stealer malware have been linked to a new campaign that ran between March and early October 2023, targeting marketing professionals in India with an aim to hijack Facebook business accounts.
"An important feature that sets it apart is that, unlike previous campaigns, which relied on .NET applications, this one used Delphi as the programming
Malaysian law enforcement authorities have announced the takedown of a phishing-as-a-service (PhaaS) operation called BulletProofLink.
The Royal Malaysia Police said the effort, which was carried out with assistance from the Australian Federal Police (AFP) and the U.S. Federal Bureau of Investigation (FBI) on November 6, 2023, was based on information that the threat actors behind the platform
A new malvertising campaign has been found to employ fake sites that masquerade as legitimate Windows news portal to propagate a malicious installer for a popular system profiling tool called CPU-Z.
"This incident is a part of a larger malvertising campaign that targets other utilities like Notepad++, Citrix, and VNC Viewer as seen in its infrastructure (domain names) and cloaking templates used
Cybersecurity researchers have unmasked a prolific threat actor known as farnetwork, who has been linked to five different ransomware-as-a-service (RaaS) programs over the past four years in various capacities.
Singapore-headquartered Group-IB, which attempted to infiltrate a private RaaS program that uses the Nokoyawa ransomware strain, said it underwent a "job interview" process with the
ChatGPT: Productivity tool, great for writing poems, and… a security risk?! In this article, we show how threat actors can exploit ChatGPT, but also how defenders can use it for leveling up their game.
ChatGPT is the most swiftly growing consumer application to date. The extremely popular generative AI chatbot has the ability to generate human-like, coherent and contextually relevant responses.
The Pakistan-linked threat actor known as SideCopy has been observed leveraging the recent WinRAR security vulnerability in its attacks targeting Indian government entities to deliver various remote access trojans such as AllaKore RAT, Ares RAT, and DRat.
Enterprise security firm SEQRITE described the campaign as multi-platform, with the attacks also designed to infiltrate Linux systems with a
The Iranian nation-state actor known as MuddyWater has been linked to a new spear-phishing campaign targeting two Israeli entities to ultimately deploy a legitimate remote administration tool from N-able called Advanced Monitoring Agent.
Cybersecurity firm Deep Instinct, which disclosed details of the attacks, said the campaign "exhibits updated TTPs to previously reported MuddyWater activity,"
A threat actor known as Prolific Puma has been maintaining a low profile and operating an underground link shortening service that's offered to other threat actors for at least over the past four years.
Prolific Puma creates "domain names with an RDGA [registered domain generation algorithm] and use these domains to provide a link shortening service to other malicious actors, helping them evade
A new malvertising campaign has been observed capitalizing on a compromised website to promote spurious versions of PyCharm on Google search results by leveraging Dynamic Search Ads.
"Unbeknownst to the site owner, one of their ads was automatically created to promote a popular program for Python developers, and visible to people doing a Google search for it," Jérôme Segura, director of threat
A pro-Hamas hacktivist group has been observed using a new Linux-based wiper malware dubbed BiBi-Linux Wiper, targeting Israeli entities amidst the ongoing Israeli-Hamas war.
"This malware is an x64 ELF executable, lacking obfuscation or protective measures," Security Joes said in a new report published today. "It allows attackers to specify target folders and can potentially destroy an entire
The prolific threat actor known as Scattered Spider has been observed impersonating newly hired employees in targeted firms as a ploy to blend into normal on-hire processes and takeover accounts and breach organizations across the world.
Microsoft, which disclosed the activities of the financially motivated hacking crew, described the adversary as "one of the most dangerous financial criminal
The Iranian threat actor known as Tortoiseshell has been attributed to a new wave of watering hole attacks that are designed to deploy a malware dubbed IMAPLoader.
"IMAPLoader is a .NET malware that has the ability to fingerprint victim systems using native Windows utilities and acts as a downloader for further payloads," the PwC Threat Intelligence team said in a Wednesday analysis.
"It uses
A relatively new threat actor known as YoroTrooper is likely made up of operators originating from Kazakhstan.
The assessment, which comes from Cisco Talos, is based on their fluency in Kazakh and Russian, use of Tenge to pay for operating infrastructure, and very limited targeting of Kazakhstani entities, barring the government's Anti-Corruption Agency.
"YoroTrooper attempts to obfuscate the
The threat actor known as Winter Vivern has been observed exploiting a zero-day flaw in Roundcube webmail software on October 11, 2023, to harvest email messages from victims' accounts.
"Winter Vivern has stepped up its operations by using a zero-day vulnerability in Roundcube," ESET security researcher Matthieu Faou said in a new report published today. Previously, it was using known
The open-source remote access trojan known as Quasar RAT has been observed leveraging DLL side-loading to fly under the radar and stealthily siphon data from compromised Windows hosts.
"This technique capitalizes on the inherent trust these files command within the Windows environment," Uptycs researchers Tejaswini Sandapolla and Karthickkumar Kathiresan said in a report published last week,
An updated version of a sophisticated backdoor framework called MATA has been used in attacks aimed at over a dozen Eastern European companies in the oil and gas sector and defense industry as part of a cyber espionage operation that took place between August 2022 and May 2023.
"The actors behind the attack used spear-phishing mails to target several victims, some were infected with Windows
Taiwanese networking equipment manufacturer D-Link has confirmed a data breach that led to the exposure of what it said is "low-sensitivity and semi-public information."
"The data was confirmed not from the cloud but likely originated from an old D-View 6 system, which reached its end of life as early as 2015," the company said.
"The data was used for registration purposes back then. So far, no
Pro-Russian hacking groups have exploited a recently disclosed security vulnerability in the WinRAR archiving utility as part of a phishing campaign designed to harvest credentials from compromised systems.
"The attack involves the use of malicious archive files that exploit the recently discovered vulnerability affecting the WinRAR compression software versions prior to 6.23 and traced as CVE-
Senior executives working in U.S.-based organizations are being targeted by a new phishing campaign that leverages a popular adversary-in-the-middle (AiTM) phishing toolkit named EvilProxy to conduct credential harvesting and account takeover attacks.
Menlo Security said the activity started in July 2023, primarily singling out banking and financial services, insurance, property management and
Sophisticated cyber actors backed by Iran known as OilRig have been linked to a spear-phishing campaign that infects victims with a new strain of malware called Menorah.
"The malware was designed for cyberespionage, capable of identifying the machine, reading and uploading files from the machine, and downloading another file or malware," Trend Micro researchers Mohamed Fahmy and Mahmoud Zohdy
Ukrainian military entities are the target of a phishing campaign that leverages drone manuals as lures to deliver a Go-based open-source post-exploitation toolkit called Merlin.
"Since drones or Unmanned Aerial Vehicles (UAVs) have been an integral tool used by the Ukrainian military, malware-laced lure files themed as UAVs service manuals have begun to surface," Securonix researchers Den
Software development company Retool has disclosed that the accounts of 27 of its cloud customers were compromised following a targeted and SMS-based social engineering attack.
The San Francisco-based firm blamed a Google Account cloud synchronization feature recently introduced in April 2023 for making the breach worse, calling it a "dark pattern."
"The fact that Google Authenticator syncs to
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