614 matches found
Ebury Botnet Malware Compromises 400,000 Linux Servers Over Past 14 Years
A malware botnet called Ebury is estimated to have compromised 400,000 Linux servers since 2009, out of which more than 100,000 were still compromised as of late 2023. The findings come from Slovak cybersecurity firm ESET, which characterized it as one of the most advanced server-side malware...
CISA and Partners Release Advisory on Black Basta Ransomware
Today, CISA, in partnership with the Federal Bureau of Investigation FBI, the Department of Health and Human Services HHS, and the Multi-State Information Sharing and Analysis Center MS-ISAC released joint Cybersecurity Advisory CSA StopRansomware: Black Basta to provide cybersecurity defenders...
Muddling Meerkat Group Suspected of Espionage via Great Firewall of China
By Deeba Ahmed Uncover the "Muddling Meerkat," a China-linked threat actor manipulating the DNS. Infoblox research reveals a sophisticated group with deep DNS expertise and potential ties to the Great Firewall. Learn their tactics and how to stay protected. This is a post from HackRead.com Read t...
FBI warns online daters to avoid “free” online verification schemes that prove costly
The FBI has warned of fraudsters targeting users of dating websites and apps with “free” online verification service schemes that turn out to be very costly. Instead of being free, as advertised, the verification schemes involve steep monthly subscription fees, and will steal personal information...
CrimsonEDR - Simulate The Behavior Of AV/EDR For Malware Development Training
CrimsonEDR is an open-source project engineered to identify specific malware patterns, offering a tool for honing skills in circumventing Endpoint Detection and Response EDR. By leveraging diverse detection methods, it empowers users to deepen their understanding of security evasion tactics...
ToddyCat’s Toolkit and Tactics Fueling Data Theft
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North Koreans Secretly Animated Amazon and Max Shows, Researchers Say
Thousands of exposed files on a misconfigured North Korean server hint at one way the reclusive country may evade international sanctions...
Hackers Target Middle East Governments with Evasive "CR4T" Backdoor
Government entities in the Middle East have been targeted as part of a previously undocumented campaign to deliver a new backdoor dubbed CR4T. Russian cybersecurity company Kaspersky said it discovered the activity in February 2024, with evidence suggesting that it may have been active since at...
CISA and Partners Release Advisory on Akira Ransomware
Today, CISA, the Federal Bureau of Investigation FBI, Europol’s European Cybercrime Centre EC3, and the Netherlands’ National Cyber Security Centre NCSC-NL released a joint Cybersecurity Advisory CSA, StopRansomware: Akira Ransomware, to disseminate known Akira ransomware tactics, techniques, and...
Using AI-Generated Legislative Amendments as a Delaying Technique
Canadian legislators proposed 19,600 amendments--almost certainly AI-generated--to a bill in an attempt to delay its adoption. I wrote about many different legislative delaying tactics in A Hackers Mind, but this is a new one...
Vultur Android Banking Trojan Returns with Upgraded Remote Control Capabilities
The Android banking trojan known as Vultur has resurfaced with a suite of new features and improved anti-analysis and detection evasion techniques, enabling its operators to remotely interact with a mobile device and harvest sensitive data. "Vultur has also started masquerading more of its...
MFA bombing taken to the next level
Simply put, MFA bombing also known as “push bombing” or “MFA fatigue” is a brute force attack on your patience. Cybercriminals use MFA bombing to break into accounts that are protected by multi-factor authentication MFA. MFA normally requires a user to enter a six-digit code sent by SMS, or...
Combine Qualys TruRisk™ and MITRE ATT&CK to Adopt Threat-Informed Defense to Reduce Risk
There are so many vulnerabilities disclosed daily that no one can patch all of them. Unfortunately, attackers can exploit them while you are still in the process of reviewing, prioritizing, and patching. Effective risk-based prioritization focuses your limited resources and remediation efforts...
The Updated APT Playbook: Tales from the Kimsuky threat actor group
Co-authors are Christiaan Beek and Raj Samani Within Rapid7 Labs we continually track and monitor threat groups. This is one of our key areas of focus as we work to ensure that our ability to protect customers remains constant. As part of this process, we routinely identify evolving tactics from...
The 3 most common post-compromise tactics on network infrastructure
Weve been discussing networking devices quite a lot recently and how Advanced Persistent Threat actors APTs are using highly sophisticated tactics to target aging infrastructure for espionage purposes. Some of these attacks are also likely prepositioning the APTs for future disruptive or...
Check your DNS! Abandoned domains used to bypass spam checks
Researchers at Guardio Labs have discovered that a group of spammers is using long-forgotten subdomains from established brands like MSN, eBay, CBS, and Marvel to send out malicious emails. The emails can bypass spam checks and to recipients they look like they come from a legitimate source. A...
Multistage RA World Ransomware Uses Anti-AV Tactics, Exploits GPO
The Trend Micro threat hunting team came across an RA World attack involving multistage components designed to ensure maximum impact...
Pig butchering scams, how they work and how to avoid them
Pig butchering scams are big business. There are hundreds of millions of dollars involved every year. The numbers are not very precise because some see them as a special kind of romance scam, while others classify them as investment fraud. The victims in Pig Butchering schemes are referred to as...
CISA, FBI, and HHS Release an Update to #StopRansomware Advisory on ALPHV Blackcat
Today, CISA, the Federal Bureau of Investigation FBI, and the Department of Health and Human Services HHS released an update to the joint advisory StopRansomware: ALPHV Blackcat to provide new indicators of compromise IOCs and tactics, techniques, and procedures TTPs associated with the ALPHV...
Five Eyes Agencies Expose APT29's Evolving Cloud Attack Tactics
Cybersecurity and intelligence agencies from the Five Eyes nations have released a joint advisory detailing the evolving tactics of the Russian state-sponsored threat actor known as APT29. The hacking outfit, also known as BlueBravo, Cloaked Ursa, Cozy Bear, Midnight Blizzard formerly Nobelium, a...