From December 2023 to the present, QiAnXin Threat Intelligence Center observed that a ransomware written in rust language is very active on the Chinese Internet, and a large number of machines in China have been ransomed, with up to more than 20 victimized units only in the terminals of government and enterprises, which the researchers call Rast ransomware.
After a long time of tracking, QiAnXin Threat Intelligence Center have captured three versions of Rast ransomware, and the versions are still iterating. rast ransomware has a very special logic: after the ransomware is completed, it will upload the machine name and unique identifier of the local machine to the remote mysql database. Through reverse analysis the research team got the mysql database account password and statistics of victims in the database, and found that in just ten months more than 6,800 terminals were controlled.
Read more…
Source: QiAnXin Threat Intelligence Center
Related:
- California: City of Hayward says computer network restored 2 weeks after cyberattack discovered
July 27, 2023
Officials in the city of Hayward announced that the city’s internal computer network has been restored following a ransomware attack that took systems down earlier this month. In a statement Thursday, city officials said the network was brought back on Tuesday, more than two weeks after the cyberattack was first discovered. “The restored network ties together ...
- CISA and Partners Release Joint Cybersecurity Advisory on Preventing Web Application Access Control Abuse
July 27, 2023
The Australian Signals Directorate’s Australian Cyber Security Centre (ACSC), the Cybersecurity and Infrastructure Security Agency (CISA), and the National Security Agency (NSA) are releasing a joint Cybersecurity Advisory (CSA), Preventing Web Application Access Control Abuse, to warn vendors, designers, developers, and end-user organizations of web applications about insecure direct object reference (IDOR) vulnerabilities. These vulnerabilities are ...
- A Tale of Two Cities’ water attacks
July 27, 2023
There have been more than 130 control system cyber incidents in water/wastewater utilities. Like Oldsmar and Discovery Bay, most of these incidents have occurred in small water utilities. Many of these incidents were not publicly disclosed, nor were the utilities required to disclose these incidents. Additionally, some of the real cases that were made public were ...
- Uncovering an Iranian mobile malware campaign
July 27, 2023
During a recent proactive hunt for malicious mobile malware, Sophos X-Ops researchers from SophosLabs discovered a group of four credential-harvesting apps targeting customers of several Iranian banks. Most of the apps are signed using the same – possibly stolen – certificate, and share various classes and strings. The apps target the following banks: Bank Mellat Bank Saderat Resalat ...
- Understanding Machine Learning Attacks, Techniques, and Defenses
July 26, 2023
Machine learning (ML) is a subset of Artificial Intelligence (AI), which enables machines and software to automatically learn from historical data to generate accurate output without being programmed to do so. Many leading organizations today have incorporated machine learning into their daily processes for business intelligence. But the ability of machine learning can be altered by ...
- CardioComm, a provider of ECG monitoring devices, confirms cyberattack downed its services
July 26, 2023
CardioComm Solutions, a Canadian provider of consumer and professional-grade heart monitoring technologies, has been downed by an ongoing cybersecurity incident. The Toronto-based organization said on Tuesday that its business operations will be “impacted for several days and potentially longer” following a “cybersecurity incident on the Company’s servers.” Read more… Source: TechCrunch