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Linux Servers Hacked to Launch DDoS Attacks and Mine Monero Cryptocurrency

Heimadal Security

Threat actors brute-forced Linux SSH servers to deploy Tsunami DDoS bot, ShellBot, log cleaners, privilege escalation tools, and an XMRig (Monero) coin miner. Hackers port scanned for publicly exposed Linux SSH servers and brute-forced username-password pairs to log in to the server.

DDOS 82
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Ukraine Nabs Suspect in 773M Password ?Megabreach?

Krebs on Security

In January 2019, dozens of media outlets raised the alarm about a new “megabreach” involving the release of some 773 million stolen usernames and passwords that was breathlessly labeled “the largest collection of stolen data in history.” By far the most important passwords are those protecting our email inbox(es).

Passwords 349
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Fake Lawsuit Threat Exposes Privnote Phishing Sites

Krebs on Security

The disclosure revealed a profitable network of phishing sites that behave and look like the real Privnote, except that any messages containing cryptocurrency addresses will be automatically altered to include a different payment address controlled by the scammers. co showing the site did indeed swap out any cryptocurrency addresses.

Phishing 223
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DDoS attacks in Q4 2021

SecureList

Q4 2021 saw the appearance of several new DDoS botnets. A zombie network, named Abcbot by researchers, first hit the radar in July, but at the time it was little more than a simple scanner attacking Linux systems by brute-forcing weak passwords and exploiting known vulnerabilities.

DDOS 110
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New evolving Abcbot DDoS botnet targets Linux systems

Security Affairs

Qihoo 360’s Netlab detailed a new evolving DDoS botnet called Abcbot with wormable capabilities that targets Linux systems. Researchers from Qihoo 360’s Netlab security team have spotted a new botnet, tracked as Abcbot, that targets Linux systems to launch distributed denial-of-service (DDoS) attacks. Pierluigi Paganini.

DDOS 102
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Fake DDoS protection pages on compromised WordPress sites lead to malware infections

Security Affairs

Threat actors compromise WordPress sites to display fake Cloudflare DDoS protection pages to distribute malware. DDoS Protection pages are associated with browser checks performed by WAF/CDN services which verify if the site visitor is a human or a bot. The file poses as a tool required to bypass the DDoS verification.

DDOS 90
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Crooks target Ukraine’s IT Army with a tainted DDoS tool

Security Affairs

Threat actors are spreading password-stealing malware disguised as a security tool to target Ukraine’s IT Army. Cisco Talos researchers have uncovered a malware campaign targeting Ukraine’s IT Army , threat actors are using infostealer malware mimicking a DDoS tool called the “Liberator.” ” continues the report.

DDOS 83