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:
- Email provider got hacked, data of 600,000 users now sold on the dark web
April 7, 2020
The data of more than 600,000 Email.it users is currently being sold on the dark web, ZDNet has learned following a tip from one of our readers. “Unfortunately, we must confirm that we have suffered a hacker attack,” the Italian email service provider said in a statement to ZDNet on Monday. The Email.it hack came to light on Sunday, ...
- Analysis: Suspicious “Very Hidden” Formula on Excel 4.0 Macro Sheet
April 6, 2020
A malicious Microsoft Excel 4.0 Macro sheet with a suspicious formula that is set as “Very Hidden” was submitted by a customer and further analyzed by Trend Micro researchers. The sheet is not readily accessible via the Microsoft Excel User Interface (UI) due to a feature documented in the Microsoft website that allows users to hide sheets. ...
- DarkHotel hackers use VPN zero-day to breach Chinese government agencies
April 6, 2020
Foreign state-sponsored hackers have launched a massive hacking operation aimed at Chinese government agencies and their employees. Attacks began last month, in March, and are believed to be related to the current coronavirus (COVID-19) outbreak. Chinese security-firm Qihoo 360, which detected the intrusions, said the hackers used a zero-day vulnerability in Sangfor SSL VPN servers, used to provide ...
- Zero-Day Exploitation Increasingly Demonstrates Access to Money, Rather than Skill — Intelligence for Vulnerability Management, Part One
April 6, 2020
FireEye Mandiant Threat Intelligence documented more zero-days exploited in 2019 than any of the previous three years. While not every instance of zero-day exploitation can be attributed to a tracked group, we noted that a wider range of tracked actors appear to have gained access to these capabilities. Furthermore, we noted a significant increase over ...
- Zoom concedes custom encryption is substandard as Citizen Lab pokes holes in it
April 6, 2020
Citizen Lab, a research group within the University of Toronto, has been able to drive a proverbial truck through the encryption used by video conferencing app Zoom. In a report where the group said the video platform was not suitable for sharing secrets nor government or business use, Citizen Lab found Zoom has been rolling its own encryption ...
- The remote-working rush is creating a playground for spies and cybercrooks
April 5, 2020
Hundreds of millions of people are now working from home as a result of the ongoing COVID-19 coronavirus outbreak. Most organisations have a disaster recovery plan and a business continuity strategy in place to cope with the more predictable catastrophes, like a main office being unavailable for weeks or months. Far fewer are prepared for a crisis requiring ...

