A new self-destructing backdoor called Mistic used in intrusions since April appears to be linked to a criminal gang that compromises corporate networks and then sells that access to ransomware groups, according to security researchers.
This backdoor, also tracked as MLTBackdoor, was first documented by Zscaler earlier this month, with the security shop suggesting the novel malware is “likely used in ransomware attacks to establish a foothold for lateral movement.”
Read more…
Source:
Sign up for the Cyber Security Review Newsletter
The latest cyber security news and insights delivered right to your inbox
Related:
- OriginBotnet Spreads via Malicious Word Document
September 11, 2023
In August, FortiGuard Labs obtained a Word document containing a malicious URL designed to entice victims to download a malware loader. This loader employs a binary padding evasion strategy that adds null bytes to increase the file’s size to 400 MB. The payloads of this loader include OriginBotnet for keylogging and password recovery, RedLine Clipper ...
- Deleting Your Way Into SYSTEM: Why Arbitrary File Deletion Vulnerabilities Matter
September 11, 2023
Windows arbitrary file deletion vulnerabilities should no longer be considered mere annoyances or tools for Denial-of-Service (DoS) attacks. Over the past couple of years, these vulnerabilities have matured into potent threats capable of unearthing a portal to full system compromise. This transformation is exemplified in CVE-2023-27470 (an arbitrary file deletion vulnerability in N-Able’s Take Control Agent ...
- Analyzing Cuba ransomware
September 11, 2023
The group’s offensives first got on Kaspersky researchers radar in late 2020. Back then, the cybercriminals had not yet adopted the moniker “Cuba”; they were known as “Tropical Scorpius”. Cuba mostly targets organizations in the United States, Canada and Europe. The gang has scored a series of resonant attacks on oil companies, financial services, government ...
- Evil Telegram doppelganger attacks Chinese users
September 8, 2023
UPDATE 11.09.2023. Google has informed us that all the apps were deleted from the Google Play store A while ago Kaspersky researchers discovered a bunch of Telegram mods on Google Play with descriptions in traditional Chinese, simplified Chinese and Uighur. The vendor says these are the fastest apps which use a distributed network of data processing ...
- Storm-0558: Understanding How Microsoft Failed to Protect Itself
September 7, 2023
You’re undoubtedly familiar with the so-called Storm-0558 attacks from July 2023. If not a quick recap: these attacks (widely attributed as the work of the Chinese government) compromised a number of high-value Exchange Online mailboxes, including the US Secretary of Commerce and the US Ambassador to China. Given the sensitivity of the mailboxes, it’s likely ...
- CISA, FBI, and CNMF Release Advisory on Multiple Nation-State Threat Actors Exploit CVE-2022-47966 and CVE-2022-42475
September 7, 2023
Today, CISA, Federal Bureau of Investigation (FBI), and U.S. Cyber Command’s Cyber National Mission Force (CNMF) published a joint Cybersecurity Advisory (CSA), Multiple Nation-State Threat Actors Exploit CVE-2022-47966 and CVE-2022-42475. This CSA provides information on an incident at an Aeronautical Sector organization, with malicious activity occurring as early as January 2023. CISA, FBI, and CNMF confirmed ...