RSS ze světa hackingu


Honeypot-Factory: The Use of Deception in ICS/OT Environments

There have been a number of reports of attacks on industrial control systems (ICS) in the past few years. Looking a bit closer, most of the attacks seem to have spilt over from traditional IT. That's to be expected, as production systems are commonly connected to ordinary corporate networks at this point. Though our data does not indicate at this point that a lot of threat actors specifically…

Datum: 13. 2. 2023

Chinese Tonto Team Hackers' Second Attempt to Target Cybersecurity Firm Group-IB Fails

The advanced persistent threat (APT) actor known as Tonto Team carried out an unsuccessful attack on cybersecurity company Group-IB in June 2022. The Singapore-headquartered firm said that it detected and blocked malicious phishing emails originating from the group targeting its employees. It's also the second attack aimed at Group-IB, the first of which took place in March 2021. Tonto Team,…

Datum: 13. 2. 2023

Hackers Targeting U.S. and German Firms Monitor Victims' Desktops with Screenshotter

A previously unknown threat actor has been targeting companies in the U.S. and Germany with bespoke malware designed to steal confidential information. Enterprise security company Proofpoint, which is tracking the activity cluster under the name Screentime, said the group, dubbed TA866, is likely financially motivated. "TA866 is an organized actor able to perform well thought-out attacks at…

Datum: 13. 2. 2023

New ESXiArgs Ransomware Variant Emerges After CISA Releases Decryptor Tool

After the U.S. Cybersecurity and Infrastructure Security Agency (CISA) released a decryptor for affected victims to recover from ESXiArgs ransomware attacks, the threat actors have bounced back with an updated version that encrypts more data. The emergence of the new variant was reported by a system administrator on an online forum, where another participant stated that files larger than 128MB…

Datum: 11. 2. 2023

Enigma, Vector, and TgToxic: The New Threats to Cryptocurrency Users

Suspected Russian threat actors have been targeting Eastern European users in the crypto industry with fake job opportunities as bait to install information-stealing malware on compromised hosts. The attackers "use several highly obfuscated and under-development custom loaders in order to infect those involved in the cryptocurrency industry with Enigma stealer," Trend Micro researchers Aliakbar…

Datum: 11. 2. 2023

CISA Warns of Active Attacks Exploiting Fortra MFT, TerraMaster NAS, and Intel Driver Flaws

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Friday added three flaws to its Known Exploited Vulnerabilities (KEV) catalog, citing evidence of active abuse in the wild. Included among the three is CVE-2022-24990, a bug affecting TerraMaster network-attached storage (TNAS) devices that could lead to unauthenticated remote code execution with the highest privileges. Details…

Datum: 11. 2. 2023

Researchers Uncover Obfuscated Malicious Code in PyPI Python Packages

Four different rogue packages in the Python Package Index (PyPI) have been found to carry out a number of malicious actions, including dropping malware, deleting the netstat utility, and manipulating the SSH authorized_keys file. The packages in question are aptx, bingchilling2, httops, and tkint3rs, all of which were collectively downloaded about 450 times before they were taken down. While…

Datum: 10. 2. 2023

North Korean Hackers Targeting Healthcare with Ransomware to Fund its Operations

State-backed hackers from North Korea are conducting ransomware attacks against healthcare and critical infrastructure facilities to fund illicit activities, U.S. and South Korean cybersecurity and intelligence agencies warned in a joint advisory. The attacks, which demand cryptocurrency ransoms in exchange for recovering access to encrypted files, are designed to support North Korea's…

Datum: 10. 2. 2023

3 Overlooked Cybersecurity Breaches

Here are three of the worst breaches, attacker tactics and techniques of 2022, and the security controls that can provide effective, enterprise security protection for them. #1: 2 RaaS Attacks in 13 Months Ransomware as a service is a type of attack in which the ransomware software and infrastructure are leased out to the attackers. These ransomware services can be purchased on the dark web from…

Datum: 10. 2. 2023

U.K. and U.S. Sanction 7 Russians for TrickBot, Ryuk, and Conti Ransomware Attacks

In a first-of-its-kind coordinated action, the U.K. and U.S. governments on Thursday levied sanctions against seven Russian nationals for their affiliation to the TrickBot, Ryuk, and Conti cybercrime operation. The individuals designated under sanctions are Vitaly Kovalev (aka Alex Konor, Bentley, or Bergen), Maksim Mikhailov (aka Baget), Valentin Karyagin (aka Globus), Mikhail Iskritskiy (aka…

Datum: 10. 2. 2023

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