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HIGH
Vulnerabilities

CVE-2024-6387: OpenSSH regreSSHion RCE — Mitigation Guide

Critical analysis of CVE-2024-6387 (regreSSHion) in OpenSSH. Learn technical details of the signal handler race condition and how to defend Linux systems.

Runtime Rebel Intel
4 min read · Jun 24, 2026
MEDIUM
Threat Intel

Linux Process Name Masquerading: Analyzing T1036 Obfuscation

Explore the technical methods behind Linux process name masquerading (MITRE ATT&CK T1036) used by actors like Velvet Ant to evade detection.

Runtime Rebel Intel
4 min read · Jun 24, 2026
Linux Vulnerabilities and Defender Zero-Days: Weekly Threat Recap
HIGH
Threat Intel

Linux Vulnerabilities and Defender Zero-Days: Weekly Threat Recap

Weekly intelligence recap covering Linux flaws, Microsoft Defender zero-days, router botnets, and supply chain compromises targeting developer toolchains.

Runtime Rebel Intel
3 min read · May 25, 2026
INFO
Threat Intel

Flipper One: The Evolution of Linux-Based Hardware Pentesting Tools

Flipper Devices announces the Flipper One, an open Linux platform. Analyze the security implications and defensive requirements for this modular hacking tool.

Runtime Rebel Intel
4 min read · May 21, 2026
CVE-2026-31431: CISA Warns of Linux Local Privilege Escalation Exploit
HIGH
Vulnerabilities

CVE-2026-31431: CISA Warns of Linux Local Privilege Escalation Exploit

CISA adds CVE-2026-31431 to its KEV catalog following active exploitation of a Linux local privilege escalation flaw. Learn how to mitigate root access risks.

Runtime Rebel Intel
3 min read · May 3, 2026
Cookie-Controlled PHP Web Shells Evade Detection on Linux Servers
HIGH
Threat Intel

Cookie-Controlled PHP Web Shells Evade Detection on Linux Servers

Microsoft researchers warn of stealthy PHP web shells on Linux using HTTP cookies for command execution and cron jobs for long-term persistence.

Runtime Rebel Intel
3 min read · Apr 4, 2026

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HIGH
Malware

GSocket Backdoor Analysis: Malicious Bash Script Delivery and Impact

Analysis of a malicious Bash script deploying the GSocket backdoor for persistent access, bypassing firewalls through advanced NAT traversal techniques.

Runtime Rebel Intel
3 min read · Mar 20, 2026
Ubuntu CVE-2026-3888: Privilege Escalation via systemd Timing Flaw
HIGH
Vulnerabilities

Ubuntu CVE-2026-3888: Privilege Escalation via systemd Timing Flaw

A high-severity flaw in Ubuntu 24.04+ allows local attackers to gain root access via a systemd cleanup timing exploit tracked as CVE-2026-3888.

Runtime Rebel Intel
3 min read · Mar 18, 2026