The number of threat actors leveraging legitimate cloud services in their attacks has grown this year as attackers have begun to realize their potential to provide low-key and low-cost infrastructure.
Traffic to and from well known, trusted services such as Microsoft OneDrive or Google Drive may be less likely to raise red flags than communications with attacker-controlled infrastructure. In the past few weeks alone, Symantec’s Threat Hunter Team has identified three further espionage operations using cloud services and found evidence of further tools in development.
Read more…
Source: Symantec
Related:
- Investigating the New Rhysida Ransomware
November 15, 2023
The Rhysida group was first identified in May 2023, when they claimed their first victim. This group deploys a ransomware variant known as Rhysida and also offers it as Ransomware-as-a-service (RaaS). The group has listed around 50 victims so far in 2023. The investigation conducted by the FortiGuard IR team and MDR team uncovered some of ...
- 9 million patients had data stolen after US medical transcription firm hacked
November 15, 2023
Close to nine million patients had highly sensitive personal and health information stolen during a cyberattack on a U.S. medical transcription service earlier this year, representing one of the worst medical-related data breaches in recent times. The medical transcription company, Perry Johnson & Associates, or PJ&A, is a Henderson, Nevada-based company that provides transcription services to ...
- Update now! Microsoft patches 3 actively exploited zero-days
November 15, 2023
Another important update round for this month’s Patch Tuesday. Microsoft has patched a total of 63 vulnerabilities in its operating systems. Five of these vulnerabilities qualify as zero-days, with three listed as being actively exploited. Microsoft considers a vulnerability to be a zero-day if it is publicly disclosed or actively exploited with no official fix available. ...
- Executing from Memory Using ActiveMQ CVE-2023-46604
November 15, 2023
Huntress Labs, Rapid7, and ArticWolf all recently published reports of threat actors exploiting ActiveMQ CVE-2023-46604 to drop ransomware onto the victim host. The attackers used CVE-2023-46604 to invoke cmd.exe followed by curl.exe or msiexec.exe in order to download and execute their ransomware. The attackers were very obvious and caught the aforementioned companies’ attention, all of which ...
- #StopRansomware: Rhysida Ransomware
November 15, 2023
The Federal Bureau of Investigation (FBI), Cybersecurity and Infrastructure Security Agency (CISA), and the MultiState Information Sharing and Analysis Center (MS-ISAC) are releasing this joint CSA to disseminate known Rhysida ransomware IOCs and TTPs identified through investigations as recently as September 2023. Rhysida – an emerging ransomware variant – has predominately been deployed against the education, ...
- Over two million users hit by top US pharmacy provider data breach
November 15, 2023
Truepill, formerly known as Postmeds, suffered a data breach that resulted in sensitive data on more than 2.3 million patients being stolen. The US Department of Health and Human Services Office for Civil Rights breach portal listed Truepill (or rather Postmeds) as being under investigation for a data breach that affected a total of 2,364,359 people. Read ...