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New vulnerability in Windows makes it easy to gain administrator New vulnerability in Windows makes it easy to gain administrator

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New vulnerability in Windows makes it easy to gain administrator rights

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A new vulnerability has been discovered in Windows 10, Windows 11 and Windows Server that allows elevation of local privileges and gaining administrator rights.

An exploit has already been published on the network, with the help of which attackers who have already compromised the system, but have limited access, can gain full control over the device. The vulnerability affects all currently supported versions of Windows.

As part of the latest patch, Microsoft has fixed a Windows Installer privilege escalation vulnerability known as CVE-2021-41379. This vulnerability was discovered by security researcher Abdelhamid Naceri, who found a workaround for the provided fix and a new, more powerful zero-day privilege escalation vulnerability after examining a patch released by Microsoft. Yesterday Naseri posted a working experimental exploit for the new vulnerability on GitHub, explaining that it works on all supported versions of Windows.

In addition, Naseri explains that while Group Policy may be configured to prevent users with basic privileges from using Windows Installer, the new vulnerability bypasses this policy and will work anyway. BleepingComputer tested the InstallerFileTakeOver exploit; and found that it only took him a few seconds to get the privileges he needed. The test was run on Windows 10 21H1 with build number 19043.1348.

Naseri said he publicly disclosed the zero-day vulnerability due to frustration with the cutback to Microsoft’s software bug bounty program. Microsoft did not comment on the situation in any way. They will probably fix the vulnerability in the next patch.

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Cryptocurrency exchange Binance was robbed of $570 million. Hacker withdrew BNB tokens

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Cryptocurrency exchange Binance was robbed of 570 million Hacker withdrew

Cryptocurrency exchange Binance has undergone another hacker attack. The attackers managed to withdraw BNB tokens worth about $570 million.

Cryptocurrency exchange Binance was robbed of $570 million.  Hacker withdrew BNB tokens

Somewhat earlier it was reported that the attack allowed the hackers to steal about $110 million, but now it turned out that everything is much worse. At the same time, the specialists of the exchange managed to freeze part of the funds, but we are talking about only 7 million dollars, which is clearly insignificant against the background of 570 million.

The exchange revealed that a cross-chain bridge connected to its BNB chain was attacked, allowing hackers to move BNB tokens off the network. Now the network has been restored, and the clients’ funds, according to Binance, are safe.

The fact of the theft of funds contributed to a sharp drop in the BNB rate by almost 5%, but after a few hours, almost half of the fall was redeemed.

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Security

Hacker who earned $27 million in cyberattacks will spend 20 years in prison and pay $21 million in fines

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Hacker who earned 27 million in cyberattacks will spend 20

A Florida district court has sentenced 34-year-old IT engineer Sebastien Vashon-Desjardins to 20 years in prison for carrying out at least 90 cyberattacks.

Hacker who earned $27 million in cyberattacks will spend 20 years in prison and pay $21 million in fines

It is noted that for several years of his activity, the hacker, using the NetWalker encryption virus, earned about $ 27 million. A search of Vashon-Desjardins revealed a crypto wallet containing 719 bitcoins, which was about $22 million at the time of the cybercriminal’s arrest in January 2022.

According to investigators, the 34-year-old cybercriminal acted in collusion with other hackers. Vashon-Desjardins himself played the role of an attacker: he infected the corporate networks of various companies with a virus and then demanded a ransom from them. Organizations from the USA, Canada and a number of European countries suffered from the activities of the criminal.

It is noted that, in addition to the prison term, the court also imposed a fine on Vashon-Desjardins in the amount of $ 21 million. Also, the criminal will have to pay compensation to the companies affected by his actions. The amount of damages has not yet been established.

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Unique behavior of Ryzen 7000 processors. The notorious patches from the Specter vulnerability improve the performance of new CPUs

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Unique behavior of Ryzen 7000 processors The notorious patches from

Recently, various vulnerabilities in processors have been talked about much less often, and users no longer worry about performance degradation due to patches. As it turns out, Ryzen 7000 processors generally benefit from such patches!

Unique behavior of Ryzen 7000 processors. The notorious patches from the Specter vulnerability improve the performance of new CPUs

At least this is true for Linux, since it was in this OS that the author tested the Ryzen 9 7950X and Ryzen 5 7600X. It turned out that when working out of the box, the CPUs show better performance than when loading a special version of Linux with a deactivated patch from the Specter V2 vulnerability.

Unique behavior of Ryzen 7000 processors. The notorious patches from the Specter vulnerability improve the performance of new CPUs

Of course, such results do not appear everywhere, and during normal work they are unlikely to be critical. In particular, in total, according to the results of 190 tests, the difference was only 3%.

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