Russian-Linked Hackers Target 80+ Organizations via Roundcube Flaws

Threat actors operating with interests aligned to Belarus and Russia have been linked to a new cyber espionage campaign that likely exploited cross-site scripting XSS vulnerabilities in Roundcube webmail servers to target over 80 organizations. These entities are primarily located in Georgia,...

RustDoor macOS Backdoor Targets Cryptocurrency Firms with Fake Job Offers

Several companies operating in the cryptocurrency sector are the target of 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...

RCE to Sliver: IR Tales from the Field

Rapid7 Incident Response consultants Noah Hemker, Tyler Starks, and malware analyst Tom Elkins contributed analysis and insight to this blog. Rapid7 Incident Response was engaged to investigate an incident involving unauthorized access to two publicly-facing Confluence servers that were the sourc...

Russian Turla Hackers Target Polish NGOs with New TinyTurla-NG Backdoor

The Russia-linked threat actor known as Turla has been observed using a new backdoor called TinyTurla-NG as part of a three-month-long campaign targeting Polish non-governmental organizations in December 2023. "TinyTurla-NG, just like TinyTurla, is a small 'last chance' backdoor that is left behi...

New Zardoor backdoor used in long-term cyber espionage operation targeting an Islamic organization

By Jungsoo An, Wayne Lee and Vanja Svajcer. Cisco Talos discovered a new, stealthy espionage campaign that has likely persisted since at least March 2021. The observed activity affects an Islamic non-profit organization using backdoors for a previously unreported malware family we have named...

China-Linked Hackers Target Myanmar's Top Ministries with Backdoor Blitz

The China-based threat actor known as Mustang Panda is suspected to have targeted Myanmar's Ministry of Defence and Foreign Affairs as part of twin campaigns designed to deploy backdoors and remote access trojans. The findings come from CSIRT-CTI, which said the activities took place in November...

SystemBC Malware's C2 Server Analysis Exposes Payload Delivery Tricks

Cybersecurity researchers have shed light on the command-and-control C2 server workings of a known malware family called SystemBC. "SystemBC can be purchased on underground marketplaces and is supplied in an archive containing the implant, a command-and-control C2 server, and a web administration...

"Activator" Alert: MacOS Malware Hides in Cracked Apps, Targeting Crypto Wallets

Cracked software have been observed infecting Apple macOS users with a previously undocumented stealer malware capable of harvesting system information and cryptocurrency wallet data. Kaspersky, which identified the artifacts in the wild, said they are designed to target machines running macOS...

Npm Trojan Bypasses UAC, Installs AnyDesk with "Oscompatible" Package

A malicious package uploaded to the npm registry has been found deploying a sophisticated remote access trojan on compromised Windows machines. The package, named "oscompatible," was published on January 9, 2024, attracting a total of 380 downloads before it was taken down. oscompatible included ...

New TTPs observed in Mint Sandstorm campaign targeting high-profile individuals at universities and research orgs

Since November 2023, Microsoft has observed a distinct subset of Mint Sandstorm PHOSPHORUS targeting high-profile individuals working on Middle Eastern affairs at universities and research organizations in Belgium, France, Gaza, Israel, the United Kingdom, and the United States. In this campaign,...

New Findings Challenge Attribution in Denmark's Energy Sector Cyberattacks

The cyber attacks targeting the energy sector in Denmark last year may not have had the involvement of the Russia-linked Sandworm hacking group, new findings from Forescout show. The intrusions, which targeted around 22 Danish energy organizations in May 2023, occurred in two distinct waves, one...

Threat Actors Increasingly Abusing GitHub for Malicious Purposes

The ubiquity of GitHub in information technology IT environments has made it a lucrative choice for threat actors to host and deliver malicious payloads and act as dead drop resolvers, command-and-control, and data exfiltration points. "Using GitHub services for malicious infrastructure allows...

Atomic Stealer Gets an Upgrade - Targeting Mac Users with Encrypted Payload

Cybersecurity researchers have identified an updated version of a macOS information stealer called Atomic or AMOS, indicating that the threat actors behind the malware are actively enhancing its capabilities. "It looks like Atomic Stealer was updated around mid to late December 2023, where its...

Syrian Hackers Distributing Stealthy C#-Based Silver RAT to Cybercriminals

Threat actors operating under the name Anonymous Arabic have released a remote access trojan RAT called Silver RAT that's equipped to bypass security software and stealthily launch hidden applications. "The developers operate on multiple hacker forums and social media platforms, showcasing an...

RansomwareSim - A Simulated Ransomware

Overview RansomwareSim is a simulated ransomware application developed for educational and training purposes. It is designed to demonstrate how ransomware encrypts files on a system and communicates with a command-and-control server. This tool is strictly for educational use and should not be use...

Microsoft Warns of New 'FalseFont' Backdoor Targeting the Defense Sector

Organizations in the Defense Industrial Base DIB sector are in the crosshairs of an Iranian threat actor as part of a campaign designed to deliver a never-before-seen backdoor called FalseFont. The findings come from Microsoft, which is tracking the activity under its weather-themed moniker Peach...

New JavaScript Malware Targeted 50,000+ Users at Dozens of Banks Worldwide

A new piece of JavaScript malware has been observed attempting to steal users' online banking account credentials as part of a campaign that has targeted more than 40 financial institutions across the world. The activity cluster, which employs JavaScript web injections, is estimated to have led t...

CVE-2023-50987

creationtimestamp| type| source ---|---|--- 2023-12-20 23:42:31+00:00| seen| https://t.me/ctinow/157391 2023-12-22 23:17:03+00:00| seen| https://t.me/ctinow/158656 2024-01-14 07:41:23+00:00| seen| https://t.me/ctinow/167948...

New Go-Based JaskaGO Malware Targeting Windows and macOS Systems

A new Go-based information stealer malware called JaskaGO has emerged as the latest cross-platform threat to infiltrate both Windows and Apple macOS systems. AT&T Alien Labs, which made the discovery, said the malware is "equipped with an extensive array of commands from its command-and-control C...

Hackers Abusing GitHub to Evade Detection and Control Compromised Hosts

Threat actors are increasingly making use of GitHub for malicious purposes through novel methods, including abusing secret Gists and issuing malicious commands via git commit messages. "Malware authors occasionally place their samples in services like Dropbox, Google Drive, OneDrive, and Discord ...