- HZ Rat backdoor for macOS attacks users of China’s DingTalk and WeChat
August 27, 2024
In June 2024, Kaspersky discovered a macOS version of the HZ Rat backdoor targeting users of the enterprise messenger DingTalk and the social network and messaging platform WeChat. The samples Kaspersky found almost exactly replicate the functionality of the Windows version of the backdoor and differ only in the payload, which is received in the form ...
- Security gaps leave local governments vulnerable to a variety of cyber threats
August 21, 2024
Cities and counties are beefing up their IT security, and that makes sense, says Augustine Boateng, interim chief information officer (CIO) in Memphis, Tenn. “It’s important to note that local governments have developed a reputation over the years for having lackluster cybersecurity; and not without good reason. As a result, we’re seeing more and more cyberattacks ...
- Selling Ransomware Breaches: 4 Trends Spotted on the RAMP Forum
August 20, 2024
The sale and purchase of unauthorized access to compromised enterprise networks has become a linchpin for cybercriminal operations, particularly in facilitating ransomware attacks. Underground forums are sharing guidelines on breaching networks and selling the access they obtain, leaving the exploitation to other malicious actors. On underground criminal forums, these transactions allow actors with complementary skills to ...
- An investigation into the tools and methods used by the Higaisa group
August 19, 2024
In March 2020 specialists from the PT Expert Security Center conducted an analysis on the activities of the APT group Higaisa. This group was first studied by security analysts at Tencent in November 2019. In that analysis, Tencent specialists reached the conclusion that Higaisa has its origins in South Korea. The group, which is still active ...
- Unmasking Styx Stealer: How a Hacker’s Slip Led to an Intelligence Treasure Trove
August 16, 2024
In the shadowy world of cybercrime, even the most cunning hackers can make blunders that expose their operations. In this article CPR describes the discovery of Styx Stealer, a new malware variant derived from the notorious Phemedrone Stealer. Check Point investigation revealed critical missteps by the developer of Styx Stealer, including a significant operational security (OpSec) ...
- A Deep Dive into a New ValleyRAT Campaign Targeting Chinese Speakers
August 15, 2024
FortiGuard Labs recently encountered an ongoing ValleyRAT campaign specifically targeting Chinese speakers. This malware has historically targeted e-commerce, finance, sales, and management enterprises. ValleyRAT is a multi-stage malware that utilizes diverse techniques to monitor and control its victims and deploy arbitrary plugins to cause further damage. Another noteworthy characteristic of this malware is its heavy usage ...
- Tusk: unraveling a complex infostealer campaign
August 15, 2024
Kaspersky Global Emergency Response Team (GERT) has identified a complex campaign, consisting of multiple sub-campaigns orchestrated by Russian-speaking cybercriminals. The sub-campaigns imitate legitimate projects, slightly modifying names and branding and using multiple social media accounts to increase their credibility. In their analysis GERT researchers observed that all the active sub-campaigns host the initial downloader on Dropbox. ...
- Ongoing Social Engineering Campaign Refreshes Payloads
August 12, 2024
On June 20, 2024, Rapid7 identified multiple intrusion attempts by threat actors utilizing techniques, tactics, and procedures (TTPs) that are consistent with an ongoing social engineering campaign being tracked by Rapid7. The initial lure being utilized by the threat actors remains the same: an email bomb followed by an attempt to call impacted users and offer ...
- SharpRhino malware targets IT admins
August 7, 2024
Fake Angry IP Scanner will make you furious – or maybe remind you of how the Hive gang went about its banal business The latest malware from upstart criminal gang Hunters International appears to be targeting network admins, using malicious code disguised as the popular networking tool Angry IP Scanner.… The software nasty, dubbed SharpRhino on ...
- Chinese hackers hijacked an ISP software update to spread malware
August 5, 2024
Windows and macOS machines alike have been hit by malware after notorious Chinese hacker group StormBamboo used a compromised internet service provider (ISP) to target organizations with poisoned DNS responses. StormBamboo used altered DNS query responses tied to automatic update mechanisms to target organizations that used insecure update mechanisms that did not properly validate the digital ...
News • Insights • Analysis
