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DDoS attacks in Q4 2021

SecureList

Q4 2021 saw the appearance of several new DDoS botnets. In October, the botnet was upgraded with DDoS functionality. This is further evidence that the same botnets are often used for mining and DDoS. Once on the device, Moobot waits for a command from the C2 server before launching a DDoS attack.

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Crypto-inspired Magecart skimmer surfaces via digital crime haven

Malwarebytes

Digging further into the skimmer's infrastructure on Russian-based hosting provider DDoS-Guard, we came across a digital crime haven for cryptocurrency scams, Bitcoin mixers, malware distribution sites and much more. We should note that the sites we found injected with this skimmer had nothing to do with cryptocurrencies themselves.

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Cyberthreats to financial organizations in 2022

SecureList

We should expect more fraud, targeting mostly BTC , because this cryptocurrency is the most popular. In fact, from January through the end of October, Kaspersky detected more than 2,300 fraudulent global resources aimed at 85,000 potential crypto investors or users who are interested in cryptocurrency mining. Extortion on the rise.

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Pay it safe: Group-IB aids Paxful in repelling a series of web-bot attacks

Security Affairs

Group-IB assisted Paxful, an international peer-to-peer cryptocurrency marketplace, in countering web-bot and social engineering attacks. They are a big headache for eCommerce businesses today, with cybercriminals using them to steal money, brute-force user credentials or carry out DDoS attacks. About Group-IB.

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Security Affairs newsletter Round 340

Security Affairs

Hundreds of thousands of fake warnings of cyberattacks sent from a hacked FBI email server GravityRAT returns disguised as an end-to-end encrypted chat app Intel and AMD address high severity vulnerabilities in products and drivers New evolving Abcbot DDoS botnet targets Linux systems Retail giant Costco discloses data breach, payment card data exposed (..)

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Ten Years Later, New Clues in the Target Breach

Krebs on Security

retail giant Target was battling a wide-ranging computer intrusion that compromised more than 40 million customer payment cards over the previous month. Mr. Zhabykin soon moved on to bigger ventures, co-founding a cryptocurrency exchange based in Moscow’s financial center called Suex. WHERE ARE THEY NOW?

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The dark web index 2021, report

Security Affairs

Cryptocurrencies are represented in hacked accounts to trading sites. And there are even more specialized products such as DDoS attacks, email databases, and malware. Monero is the cryptocurrency of choice, instead, and all communications must be PGP encrypted. More retailers accept several forms of online payments.