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:
- iPhone WiFi bug morphs into zero-click hacking, but there’s a fix
July 19, 2021
Security researchers investigating a bug that crashed the Wifi service on iPhones found that it could be exploited for remote code execution without user interaction. When initially disclosed, the bug could disable an iPhone’s WiFi connection after trying to connect to a network with a name (SSID) that included a special character. Read more… Source: Bleeping Computer
- UK and White House blame China for Microsoft Exchange Server hack
July 19, 2021
The UK government has formally laid the blame for the Microsoft Exchange Server cyberattack at the feet of China. On Monday, the government joined others — including the victim company itself, Microsoft — in claiming the cyberattack was the work of Chinese state-sponsored hackers, namely Hafnium, an advanced persistent threat (APT) group. The United States, NATO, and ...
- Ecuador’s state-run CNT telco hit by RansomEXX ransomware
July 17, 2021
Ecuador’s state-run Corporación Nacional de Telecomunicación (CNT) has suffered a ransomware attack that has disrupted business operations, the payment portal, and customer support. CNT is Ecuador’s state-run telecommunication carrier that offers fixed-line phone service, mobile, satellite TV, and internet connectivity. Read more… Source: Bleeping Computer
- Microsoft: New Unpatched Bug in Windows Print Spooler
July 16, 2021
Another vulnerability separate from PrintNightmare allows for local elevation of privilege and system takeover. Microsoft has warned of yet another vulnerability that’s been discovered in its Windows Print Spooler that can allow attackers to elevate privilege to gain full user rights to a system. The advisory comes on the heels of patching two other remote code-execution ...
- Bug bounty platform urges need for firms to have vulnerability disclosure policy
July 16, 2021
Organisations should provide a proper channel through which anyone can report vulnerabilities in their systems. This will ensure potential security holes can be identified and plugged before they are exploited. Establishing a vulnerability disclosure policy (VDP) also would provide assurance to anyone, such as security researchers, acting in good faith that they would not face prosecution ...
- Windows 0-Days Used Against Dissidents in Israeli Broker’s Spyware
July 16, 2021
A set of unique spyware strains created by an Israeli firm and allegedly used by governments around the world to surveil dissidents has been defanged by Microsoft, the software giant said. The private company, called variously Candiru, Grindavik, Saito Tech and Taveta (and dubbed “Sourgum” by Microsoft), reportedly sells its wares exclusively to governments, according to ...