Cisco Security

AUGUST 11, 2021

We looked at REvil, also known as Sodinokibi or Sodin, earlier in the year in a Threat Trends blog on DNS Security. In it we talked about how REvil/Sodinokibi compromised far more endpoints than Ryuk, but had far less DNS communication. Figure 1-DNS activity surrounding REvil/Sodinokibi. Deleting backups.

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Ransomware DNS Encryption Backups 129

McAfee

SEPTEMBER 14, 2021

A special thanks to our Professional Services’ IR team, ShadowServer , for historical context on C2 domains, and Thomas Roccia /Leandro Velasco for malware analysis support. McAfee customers are protected from the malware/tools described in this blog. The malware also decrypts and injects the payload in memory.

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Malware DNS Accountability Manufacturing 144

Krebs on Security

APRIL 2, 2019

Canadian police last week raided the residence of a Toronto software developer behind “ Orcus RAT ,” a product that’s been marketed on underground forums and used in countless malware attacks since its creation in 2015. An advertisement for Orcus RAT. In an “official press release” posted to pastebin.com on Mar.

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SecureList

OCTOBER 3, 2022

Display DNS resolver cache. We’ve barely seen Explosive RAT since 2019. While the functionality of the malware didn’t change that much over time, the author made an effort to ensure its files wouldn’t be detected using publicly available signatures. Delimiter used for malware configuration variables.

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Backups Malware Engineering Passwords 106

CyberSecurity Insiders

JANUARY 31, 2021

Back in 2019, a McAfee report confirmed that across all sectors, ransomware incidents increased by 118% during the first quarter of 2019. The average ransom demand increased 100% from 2019 through Q1 of 2020. The Data Backup and Recovery System that Protects Against Ransomware. 2: Increased Ransom Amount.

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Ransomware Backups Encryption Healthcare 40

eSecurity Planet

MAY 28, 2021

Malware detection has long been a game of signature detection. With ML and artificial intelligence (AI) using thousands of strains to train algorithms, one would surmise that the ability to detect malware is only improving. Hackers are using the same ML and AI technology to avoid using recognized malware. Old way New way.

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Veracode Security

NOVEMBER 19, 2020

In the report, the agencies found that threat actors are targeting the HPH Sector using TrickBot and BazarLoader malware efforts, which can result in the disruption of healthcare services, the initiation of ransomware attacks, and the theft of sensitive data. Every 15 minutes, the malware runs scheduled tasks on the victim???s

Healthcare 52

Healthcare Ransomware Phishing Social Engineering 52

Fox IT

JANUARY 12, 2021

NCC Group and Fox-IT observed this threat actor during various incident response engagements performed between October 2019 until April 2020. The more recent intrusions took place in 2019 at companies in the aviation industry. observed Q2 2017 Cobalt Strike v3.12, observed Q3 2018 Cobalt Strike v3.14, observed Q2 2019.

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VPN Accountability Passwords DNS 68

eSecurity Planet

MARCH 25, 2022

With lateral movement across a victim’s IT infrastructure, threat actors can escalate privileges, spread malware , extract data , and disrupt IT services as with ransomware attacks. SamSam Ransomware: Malware Specializing in RDP. As long as actors go undetected, the timing of attacks is on the perpetrator’s terms.

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SecureList

JUNE 15, 2022

In contrast, less experienced cybercriminals are not always able to see an attack through to the end (malware execution, data theft, etc.), Malware log offers on a dark web forum. Malware logs (different). Free malware log offers on a dark web forum. Topic on dark web forum with a request for specific malware logs.

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ForAllSecure

APRIL 19, 2023

It was on a project that Dan Kaminsky presented at Discourse 2019. I first met Dan when he was literally saving the world; okay, at least saving the internet as we know it today by disclosing to the major ISPs in the world a flaw he’d found in the Domain Name System or DNS. This is a novel approach to malware.

Software 40

Software Backups Computers and Electronics Technology 40

Fox IT

JUNE 23, 2020

Evil Corp were previously associated to the Dridex malware and BitPaymer ransomware, the latter came to prominence in the first half of 2017. Evil Corp has been operating the Dridex malware since July 2014 and provided access to several groups and individual threat actors.

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Ransomware Encryption Malware Architecture 45