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Blister malware using code signing certificates to evade anti malware detection

CyberSecurity Insiders

As some hackers have developed a malware that uses code signing certificates to avoid detection by security defenses and has the tendency to download payloads onto a compromised system. And the certification is linked to a Russian company titled Blist LLC that delivers payloads such as Cobalt Strike and BitRAT on demand.

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VulnRecap 2/19/2024: News from Microsoft, Zoom, SolarWinds

eSecurity Planet

The problem: Researchers at cybersecurity company Truesec uncovered data that indicated Akira ransomware might be exploiting an old vulnerability within Cisco Adaptive Security Appliance (ASA) and Firepower Threat Defense (FTD). The vulnerability, CVE-2020-3259 , was first discovered in May 2020. Enabling logging.

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Vulnerability Recap 4/15/24 – Palo Alto, Microsoft, Ivanti Exploits

eSecurity Planet

Threats range from severe weaknesses in Ivanti’s VPN appliances to zero-day exploits in popular software such as Palo Alto Networks’ PAN-OS and Telegram’s Windows client. Typically, these vulnerabilities result in remote code execution or denial-of-service attacks, posing major dangers to users’ data security.

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VulnRecap 2/12/24: Ivanti, JetBrains, Fortinet, Linux Issues

eSecurity Planet

February 8, 2024 FortiOS Sees Critical Vulnerability in SSL VPN Functionality Type of vulnerability: Arbitrary code execution by an unauthenticated user. The problem: Fortinet disclosed a vulnerability in its SSL VPN feature within FortiOS, the operating system that manages its next-generation firewall products. Connect Secure 9.1R17.3

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Weekly Vulnerability Recap – September 4, 2023 – Attackers Hit Network Devices and More

eSecurity Planet

Unpatched devices can give attackers privileged access to networks, particularly those set up as VPN virtual servers, ICA proxies, RDP proxies, or AAA servers. It is suspected that the Akira ransomware organization used an undisclosed weakness in Cisco VPN software to evade authentication. MFA should be enabled for all VPN users.

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Why BYOD Is the Favored Ransomware Backdoor

eSecurity Planet

Basic VPN and IPS focus on the connections between internal resources and external threats, which ignores network devices or trusted VPN connections. NGFWs can decrypt and inspect VPN traffic to monitor file exfiltration as well as detect increased and anomalous traffic.

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What Is Secure Remote Access?

eSecurity Planet

Note that not all of these venues are inherently or perfectly secure — they have vulnerabilities and require additional protective measures. Even VPN, while marketed as a security tool, has weaknesses of its own. Why Is Securing Access for Remote Workers So Important? Read more about the different types of remote access.

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