Security Affairs

Pierluigi Paganini July 08, 2022
Emsisoft: Victims of AstraLocker and Yashma ransomware can recover their files for free

Emsisoft has released a free decryption tool that allows victims of the AstraLocker and Yashma ransomware to recover their files without paying a ransom. Cybersecurity firm Emsisoft released a free decryptor tool that allows victims of the AstraLocker and Yashma ransomware to recover their files without paying a ransom. The security firm states that the […]

Pierluigi Paganini July 08, 2022
Russian Cybercrime Trickbot Group is systematically attacking Ukraine

The operators behind the TrickBot malware are systematically targeting Ukraine since the beginning of the war in February 2022. IBM researchers collected evidence indicating that the Russia-based cybercriminal Trickbot group (aka Wizard Spider, DEV-0193, ITG23) has been systematically attacking Ukraine since the beginning of the Russian invasion of the country. Since February, the Conti ransomware […]

Pierluigi Paganini July 08, 2022
New Checkmate ransomware target QNAP NAS devices

Taiwanese vendor QNAP wars of a new strain of ransomware, dubbed Checkmate, that is targeting its NAS devices. The Taiwanese vendor QNAP is warning of a new family of ransomware targeting its NAS devices using weak passwords. Threat actors are targeting devices exposed online with the SMB service enabled, they perform brute-force attacks against accounts […]

Pierluigi Paganini July 07, 2022
Large-scale cryptomining campaign is targeting the NPM JavaScript package repository

Researchers uncovered a large-scale cryptocurrency mining campaign targeting the NPM JavaScript package repository. Checkmarx researchers spotted a new large-scale cryptocurrency mining campaign, tracked as CuteBoi, that is targeting the NPM JavaScript package repository. Threat actors behind the campaign published 1,283 malicious modules in the repository and used over 1,000 different user accounts. The researchers uncovered […]

Pierluigi Paganini July 07, 2022
North Korea-linked APTs use Maui Ransomware to target the Healthcare industry

US authorities have issued a joint advisory warning of North Korea-linked APTs using Maui ransomware in attacks against the Healthcare sector. The FBI, CISA, and the U.S. Treasury Department issued a joint advisory that warn of North-Korea-linked threat actors using Maui ransomware in attacks aimed at organizations in the Healthcare sector. “The Federal Bureau of […]

Pierluigi Paganini July 07, 2022
OrBit, a new sophisticated Linux malware still undetected

Cybersecurity researchers warn of new malware, tracked as OrBit, which is a fully undetected Linux threat. Cybersecurity researchers at Intezer have uncovered a new Linux malware, tracked as OrBit, that is still undetected. The malware can be installed as a volatile implant either by achieving persistence on the compromised systems. The malware implements advanced evasion […]

Pierluigi Paganini July 07, 2022
OpenSSL version 3.0.5 fixes a flaw that could potentially lead to RCE

The development team behind the OpenSSL project fixed a high-severity bug in the library that could potentially lead to remote code execution. The maintainers of the OpenSSL project fixed a high-severity heap memory corruption issue, tracked as CVE-2022-2274, affecting the popular library. This bug makes the RSA implementation with 2048 bit private keys incorrect on such machines and triggers […]

Pierluigi Paganini July 06, 2022
Marriott International suffered a new data breach, attackers stole 20GB of data

Hotel chain Marriott International suffered a new data breach, a threat actor has stolen 20GB from the company. Hotel chain Marriott International confirmed it has suffered a new data breach after a threat actor stole 20GB of files from one of its properties. The attacker compromised the network at the BWI Airport Marriott Maryland  (BWIA), […]

Pierluigi Paganini July 06, 2022
Less popular, but very effective, Red-Teaming Tool BRc4 used in attacks in the wild

Threat actors are abusing legitimate adversary simulation software BRc4 in their campaigns to evade detection. Researchers from Palo Alto Networks Unit 42 discovered that a sample uploaded to the VirusTotal database on May 19, 2022 and considered benign by almost all the antivirus, was containing a payload associated with Brute Ratel C4 (BRc4), a new red-teaming and […]

Pierluigi Paganini July 06, 2022
New Hive ransomware variant is written in Rust and use improved encryption method

Hive ransomware operators have improved their file-encrypting module by migrating to Rust language and adopting a more sophisticated encryption method. The operators of the Hive ransomware upgraded their malware by migrating the malware to the Rust language and implementing a more sophisticated encryption method, Microsoft researchers warn. “The upgrades in the latest variant are effectively […]