SophosLabs analysts investigated WantToCry ransomware attacks that involved the threat actors abusing the Server Message Block (SMB) service for initial access and then exfiltrating files to attacker-controlled infrastructure for remote encryption. The detection surface is significantly reduced because WantToCry operates without local malware execution, and there is no post-compromise activity beyond exfiltrating files and rewriting them to disk.
Read more…
Source: SophosLabs
Sign up for the Cyber Security Review Newsletter
The latest cyber security news and insights delivered right to your inbox
Related:
- Telus investigating sale of alleged code, employee information
February 23, 2023
Someone on a criminal forum is selling what they claim is data on all Telus employees, as well as the Canadian telecommunications company’s GitHub software code repositories. In response to an IT World Canada reporter’s query about the posting, Telus director of public affairs Richard Gilhooley said the company is looking into the allegation. Read more… Source: IT ...
- European Commission bans TikTok from employees’ phones
February 23, 2023
The Commission said in a statement that all its employees will have to comply by March 15. This measure aims “to protect the Commission against cybersecurity threats and actions which may be exploited for cyber-attacks against the corporate environment of the Commission,” the statement said. “The security developments of other social media platforms will also be kept ...
- Datacenters in China, Singapore cracked by crims who then targeted tenants
February 23, 2023
Criminals have targeted datacenter operators in Singapore and China, tapping into their CCTV cameras, accessing their tenant lists and then attacking those customers. That’s the scary scenario outlined by infosec vendor Resecurity, which has detailed malicious campaigns said to have started in 2021 but became apparent earlier this month when info dumps were teased on the ...
- Russian malware dev behind NLBrute hacking tool extradited to US
February 23, 2023
A Russian malware developer accused of creating and selling the NLBrute password-cracking tool was extradited to the United States after being arrested in the Republic of Georgia last year on October 4. Also known as dpxaker, Dariy Pankov is now charged with access device fraud and computer fraud and faces a maximum sentence of 47 years ...
- Hydrochasma: Previously unknown group targets medical and shipping organizations in Asia
February 22, 2023
Shipping companies and medical laboratories in Asia are being targeted in a likely intelligence-gathering campaign that relies exclusively on publicly available and living-off-the-land tools. Hydrochasma, the threat actor behind this campaign, has not been linked to any previously identified group, but appears to have a possible interest in industries that may be involved in COVID-19-related treatments ...
- Open source software has its perks, but supply chain risks can’t be ignored
February 22, 2023
Open source components play an increasingly central role in the software development scene, proving to be a boon in a time of continuous integration and deployment, DevOps, and daily software updates. In a report last year, silicon design automation outfit Synopsys found that 97 percent of codebases in 2021 contained open source, and that in four ...