Linux

Intrusion Detection and Prevention Systems

libnids on SecurityListing: Libnids is an implementation of an E-component of Network Intrusion Detection System that emulates the IP stack of Linux 2.0.x and offers IP defragmentation, TCP stream assembly, and TCP port scan detection.

Intrusion Detection and Prevention Systems

DenyHosts on SecurityListing: DenyHosts is a script to block SSH server attacks by automatically preventing attackers after failed login attempts.

Penetration Testing

LAMPSecurity Training on SecurityListing: A series of vulnerable virtual machine images with documentation to teach Linux, Apache, PHP, MySQL security.

Security Operations

Bifrozt on SecurityListing: High interaction honeypot solution for Linux systems with data control and integrity features.

Guides

Basic Linux Privilege Escalation - g0tmi1k RSS BlogArchives on SecurityListing: A guide on basic Linux privilege escalation techniques including enumeration, data analysis, exploit customization, and trial and error.

Security Operations

HoneyDrive on SecurityListing: HoneyDrive is the premier honeypot Linux distro with over 10 pre-installed honeypot software packages and numerous analysis tools.

Security Information and Event Management

Verisys File Integirty Monitoring on SecurityListing: A next-generation file integrity monitoring and change detection system

Intrusion Detection and Prevention Systems

Fail2ban on SecurityListing: Fail2ban is a daemon that automatically bans IP addresses showing malicious behavior by monitoring log files and updating firewall rules to prevent brute-force attacks.

Guides

Hardening OpenLDAP on Linux with AppArmor and systemd on SecurityListing: A comprehensive guide to hardening OpenLDAP on Linux using AppArmor and systemd, providing a defense in depth approach to securing LDAP deployments.

Guides

DistroWatch.com on SecurityListing: A website for information on Linux and BSD distributions.

Threat Hunting

Linux Detection Engineering - A primer on persistence mechanisms on SecurityListing: A comprehensive guide on Linux persistence mechanisms, focusing on scheduled tasks and jobs, their implementation, detection, and hunting strategies.

Digital Forensics and Incident Response

extundelete on SecurityListing: A utility for recovering deleted files from ext3 or ext4 partitions.

Offensive Security

checkra1n on SecurityListing: Semi-tethered jailbreak for iPhone 5s to iPhone X, running iOS 12.0 and up, using the 'checkm8' bootrom exploit.

Digital Forensics and Incident Response

edb on SecurityListing: edb is a powerful debugger for Linux binaries, enhancing reverse engineering efforts with a user-friendly interface and extensible plugins.

Cheat Sheets

SMB Access from Linux Cheat Sheet on SecurityListing: A comprehensive cheat sheet for accessing Windows systems from Linux hosts using smbclient and rpcclient tools, covering password management, user and group enumeration, and more.

Penetration Testing

Wifislax on SecurityListing: GNU/Linux Wireless distribution for security testing with XFCE desktop environment.

Next-Generation Firewalls

Safing Portmaster on SecurityListing: An open-source application firewall that monitors and controls network traffic with custom filtering rules and real-time visibility into application connections.

Guides

Securing NFS Red Hat Enterprise Linux 7 on SecurityListing: Guidance on securing NFS in Red Hat Enterprise Linux 7

Network Detection and Response

Sniff on SecurityListing: Makes output from the tcpdump program easier to read and parse.

Cheat Sheets

Windows and Linux Terminals & Command Lines on SecurityListing: A comprehensive cheat sheet for Windows and Linux terminals and command lines, covering essential commands and syntax for various tasks.