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Ask Fitis, the Bear: Real Crooks Sign Their Malware

Krebs on Security

Megatraffer explained that malware purveyors need a certificate because many antivirus products will be far more interested in unsigned software, and because signed files downloaded from the Internet don’t tend to get blocked by security features built into modern web browsers. “Antivirus software trusts signed programs more.

Malware 299
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Feds Warn About Critical Infrastructure Ransomware Attacks, Vulnerabilities

eSecurity Planet

Ransomware attacks on critical infrastructure and a surge in exploited vulnerabilities are getting the attention of U.S. BlackByte Ransomware Attack Methods, IoCs. The FBI-Secret Service warning came just ahead of news that the NFL’s San Francisco 49ers had also been hit by BlackByte ransomware. The FBI and U.S.

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StripedFly: Perennially flying under the radar

SecureList

Supported Windows versions include Windows Vista, Windows 7, Windows Server 2008 R2, Windows 8, Windows Server 2012, and Windows 10 up to build 14392. ThunderCrypt During our analysis, we stumbled upon an earlier version of the malware, which led us to the discovery of a related ransomware variant called ThunderCrypt. 8, 15.0.0.0/8,

Malware 145
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5 Critical Threat Actors You Need to Know About

Digital Shadows

In Q3 2024, ransomware service provider “RansomHub” emerged as the most dominant ransomware group, taking the mantle from “LockBit” and “ALPHV.” Hacktivist gang “KillSec,” originally aligned with the “Anonymous” hacktivist collective, has recently shifted towards financially motivated ransomware activity.

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APT Attacks & Prevention

eSecurity Planet

These attacks focus on financially-rewarding exploitation such as cryptojacking , botnet proliferation, business email compromise, or ransomware. For example, the Cuba ransomware gang exploited ProxyShell and ProxyLogon vulnerabilities in Windows exchange servers to plant backdoors into the exchange server and deliver additional malware.

Firewall 109
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Top VC Firms in Cybersecurity of 2022

eSecurity Planet

billion in 2021, and growing concerns over data security , software supply chains , and ransomware suggest the market will remain strong through economic ups and downs. In 2008, the Washington, DC-based firm made a prudent decision by shifting its focus to cybersecurity. Also read : Addressing Remote Desktop Attacks and Security.

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5 Critical Threat Actors You Need to Know About

Digital Shadows

In Q3 2024, ransomware service provider “RansomHub” emerged as the most dominant ransomware group, taking the mantle from “LockBit” and “ALPHV.” Hacktivist gang “KillSec,” originally aligned with the “Anonymous” hacktivist collective, has recently shifted towards financially motivated ransomware activity.