Malware Delivery via Cloud Services Exploits Unicode Trick to Deceive Users

A new attack campaign dubbed CLOUDREVERSER has been observed leveraging legitimate cloud storage services like Google Drive and Dropbox to stage malicious payloads. "The VBScript and PowerShell scripts in the CLOUDREVERSER inherently involves command-and-control-like activities by using Google...

Foxit PDF Reader Flaw Exploited by Hackers to Deliver Diverse Malware Arsenal

Multiple threat actors are weaponizing a design flaw in Foxit PDF Reader to deliver a variety of malware such as Agent Tesla, AsyncRAT, DCRat, NanoCore RAT, NjRAT, Pony, Remcos RAT, and XWorm. "This exploit triggers security warnings that could deceive unsuspecting users into executing harmful...

Latrodectus Malware Loader Emerges as IcedID's Successor in Phishing Campaigns

Cybersecurity researchers have observed a spike in email phishing campaigns starting early March 2024 that delivers Latrodectus, a nascent malware loader believed to be the successor to the IcedID malware. "These campaigns typically involve a recognizable infection chain involving oversized...

Grandoreiro Banking Trojan Resurfaces, Targeting Over 1,500 Banks Worldwide

The threat actors behind the Windows-based Grandoreiro banking trojan have returned in a global campaign since March 2024 following a law enforcement takedown in January. The large-scale phishing attacks, likely facilitated by other cybercriminals via a malware-as-a-service MaaS model, target ove...

Kimsuky APT Deploying Linux Backdoor Gomir in South Korean Cyber Attacks

The Kimsuky aka Springtail advanced persistent threat APT group, which is linked to North Korea's Reconnaissance General Bureau RGB, has been observed deploying a Linux version of its GoBear backdoor as part of a campaign targeting South Korean organizations. The backdoor, codenamed Gomir, is...

North Korean Hackers Exploit Facebook Messenger in Targeted Malware Campaign

The North Korea-linked Kimsuky hacking group has been attributed to a new social engineering attack that employs fictitious Facebook accounts to targets via Messenger and ultimately delivers malware. "The threat actor created a Facebook account with a fake identity disguised as a public official...

Ongoing Campaign Bombards Enterprises with Spam Emails and Phone Calls

Cybersecurity researchers have uncovered an ongoing social engineering campaign that bombards enterprises with spam emails with the goal of obtaining initial access to their environments for follow-on exploitation. "The incident involves a threat actor overwhelming a user's email with junk and...

PingRAT - Secretly Passes C2 Traffic Through Firewalls Using ICMP Payloads

PingRAT secretly passes C2 traffic through firewalls using ICMP payloads. Features: Uses ICMP for Command and Control Undetectable by most AV/EDR solutions Written in Go Installation: Download the binaries or build the binaries and you are ready to go: $ git clone...

Hackers Increasingly Abusing Microsoft Graph API for Stealthy Malware Communications

Threat actors have been increasingly weaponizing Microsoft Graph API for malicious purposes with the aim of evading detection. This is done to "facilitate communications with command-and-control C&C infrastructure hosted on Microsoft cloud services," the Symantec Threat Hunter Team, part of...

Researchers Detail Multistage Attack Hijacking Systems with SSLoad, Cobalt Strike

Cybersecurity researchers have discovered an ongoing attack campaign that's leveraging phishing emails to deliver a malware called SSLoad. The campaign, codenamed FROZENSHADOW by Securonix, also involves the deployment of Cobalt Strike and the ConnectWise ScreenConnect remote desktop software...

eScan Antivirus Update Mechanism Exploited to Spread Backdoors and Miners

A new malware campaign has been exploiting the updating mechanism of the eScan antivirus software to distribute backdoors and cryptocurrency miners like XMRig through a long-standing threat codenamed GuptiMiner targeting large corporate networks. Cybersecurity firm Avast said the activity is the...

ToddyCat Hacker Group Uses Advanced Tools for Industrial-Scale Data Theft

The threat actor known as ToddyCat has been observed using a wide range of tools to retain access to compromised environments and steal valuable data. Russian cybersecurity firm Kaspersky characterized the adversary as relying on various programs to harvest data on an "industrial scale" from...

Hackers Exploit Fortinet Flaw, Deploy ScreenConnect, Metasploit in New Campaign

Cybersecurity researchers have discovered a new campaign that's exploiting a recently disclosed security flaw in Fortinet FortiClient EMS devices to deliver ScreenConnect and Metasploit Powerfun payloads. The activity entails the exploitation of CVE-2023-48788 CVSS score: 9.3, a critical SQL...

Hackers Deploy Python Backdoor in Palo Alto Zero-Day Attack

Threat actors have been exploiting the newly disclosed zero-day flaw in Palo Alto Networks PAN-OS software dating back to March 26, 2024, nearly three weeks before it came to light yesterday. The network security company's Unit 42 division is tracking the activity under the name Operation...

Watch Out for 'Latrodectus' - This Malware Could Be In Your Inbox

Threat hunters have discovered a new malware called Latrodectus that has been distributed as part of email phishing campaigns since at least late November 2023. "Latrodectus is an up-and-coming downloader with various sandbox evasion functionality," researchers from Proofpoint and Team Cymru said...

Researchers Identify Multiple China Hacker Groups Exploiting Ivanti Security Flaws

Multiple China-nexus threat actors have been linked to the zero-day exploitation of three security flaws impacting Ivanti appliances CVE-2023-46805, CVE-2024-21887, and CVE-2024-21893. The clusters are being tracked by Mandiant under the uncategorized monikers UNC5221, UNC5266, UNC5291, UNC5325,...

Mispadu Trojan Targets Europe, Thousands of Credentials Compromised

The banking trojan known as Mispadu has expanded its focus beyond Latin America LATAM and Spanish-speaking individuals to target users in Italy, Poland, and Sweden. Targets of the ongoing campaign include entities spanning finance, services, motor vehicle manufacturing, law firms, and commercial...

TheMoon Botnet Resurfaces, Exploiting EoL Devices to Power Criminal Proxy

A botnet previously considered to be rendered inert has been observed enslaving end-of-life EoL small home/small office SOHO routers and IoT devices to fuel a criminal proxy service called Faceless. "TheMoon, which emerged in 2014, has been operating quietly while growing to over 40,000 bots from...

Hackers Hit Indian Defense, Energy Sectors with Malware Posing as Air Force Invite

Indian government entities and energy companies have been targeted by unknown threat actors with an aim to deliver a modified version of an open-source information stealer malware called HackBrowserData and exfiltrate sensitive information in some cases by using Slack as command-and-control C2...

The Evolution of DEEP#GOSU Attack Campaign by Kimsuky Group

Summary: A sophisticated multi-stage attack campaign linked to the North Korean Kimsuky group, dubbed DEEPGOSU. Using PowerShell and VBScript, the attackers leverage remote access trojan RAT software for full control over infected hosts, while employing legitimate services like Dropbox for comman...