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:
- Paradise Ransomware source code released on a hacking forum
June 15, 2021
The complete source code for the Paradise Ransomware has been released on a hacking forum allowing any would-be cyber criminal to develop their own customized ransomware operation. Released on the hacking forum XSS, the link to the source code is only accessible to active users on the site who have previously replied to or reacted to ...
- Andariel evolves to target South Korea with ransomware
June 15, 2021
In April 2021, we observed a suspicious Word document with a Korean file name and decoy. It revealed a novel infection scheme and an unfamiliar payload. While we were doing our research into these findings, Malwarebytes published a nice report with technical details about the same series of attacks, which they attributed to the Lazarus ...
- REvil ransomware hits US nuclear weapons contractor
June 14, 2021
US nuclear weapons contractor Sol Oriens has suffered a cyberattack allegedly at the hands of the REvil ransomware gang, which claims to be auctioning data stolen during the attack. Sol Oriens describes itself as helping the “Department of Defense and Department of Energy Organizations, Aerospace Contractors, and Technology Firms carry out complex programs.” However, job postings first ...
- Microsoft: SEO poisoning used to backdoor targets with malware
June 14, 2021
Microsoft is tracking a series of attacks that use SEO poisoning to infect targets with a remote access trojan (RAT) capable of stealing the victims’ sensitive info and backdooring their systems. The malware delivered in this campaign is SolarMarker (aka Jupyter, Polazert, and Yellow Cockatoo), a .NET RAT that runs in memory and is used by ...
- Avaddon ransomware shuts down and releases decryption keys
June 11, 2021
The Avaddon ransomware gang has shut down operation and released the decryption keys for their victims to BleepingComputer.com. This morning, BleepingComputer received an anonymous tip pretending to be from the FBI that contained a password and a link to a password-protected ZIP file. Read more… Source: Bleeping Computer
- Hackers can exploit bugs in Samsung pre-installed apps to spy on users
June 10, 2021
Samsung is working on patching multiple vulnerabilities affecting its mobile devices that could be used for spying or to take full control of the system. The bugs are part of a larger set discovered and reported responsibly by one security researcher through the company’s bug bounty program. Since the beginning of the year, Sergey Toshin – the ...