Ensure That auditd Is Enabled

The auditd component is a user-space component of the Linux audit framework, providing the auditctl, ausearch, and aureport programs to audit and view logs. Audit rules are configured using the auditctl program. When getting started, auditctl reads these rules from /etc/audit/audit.rules. The aud...

Configure a Proper Value for audit_backlog_limit

auditbackloglimit sets the buffer queue length for audit events awaiting transfer to the audit service. The default value is 64. If the queue is full, audit events are discarded and an alarm log is generated, indicating that the queue is full. If the value is too small, audit events may be lost. ...

Do Not Use auditctl to Set auditd Rules

auditd service rules can be configured using either rule files in the /etc/audit/rules.d/ directory applied after server restart or the auditctl command for immediate effect. The permission of the /etc/audit/rules.d/ directory is 750, while that of the auditctl command is 755. Therefore,...

GHSA-HCMV-JMQH-FJGM ops leaking secrets if `subprocess.CalledProcessError` happens with a `secret-*` CLI command

Summary The issue here is that we pass the secret content as one of the args via CLI. This issue may affect any of our charms that are using: Juju =3.0, Juju secrets and not correctly capturing and processing subprocess.CalledProcessError. There are two points that may log this command, in...

Nysm - A Stealth Post-Exploitation Container

A stealth post-exploitation container. Introduction With the raise in popularity of offensive tools based on eBPF, going from credential stealers to rootkits hiding their own PID, a question came to our mind: Would it be possible to make eBPFinvisible in its own eyes? From there, we created nysm,...

Configuring host-level audit logging for AKS VMSS

This blog post runs you through how to enable and configure Linux audit logging on your Azure Kubernetes Service AKS Virtual Machine Scale Set VMSS using the Linux auditing subsystem, also known as auditd. Warning The information provided below is accurate as of the release date of this blog post...

Laurel - Transform Linux Audit Logs For SIEM Usage

LAUREL is an event post-processing plugin for auditd8 to improve its usability in modern security monitoring setups. Why? TLDR: Instead of audit events that look like this… type=EXECVE msg=audit1626611363.720:348501: argc=3 a0="perl" a1="-e"...

Zircolite - A Standalone SIGMA-based Detection Tool For EVTX, Auditd And Sysmon For Linux Logs

Standalone SIGMA-based detection tool for EVTX, Auditd, Sysmon for linux or JSONL/NDJSON Logs Zircolite is a standalone tool written in Python 3. It allows to use SIGMA rules on MS Windows EVTX EVTX and JSONL format, Auditd logs and Sysmon for Linux logs Zircolite can be used directly on the...

Exploit for CVE-2021-38647

It is an offensive tool for testing CVE-2021-38647, a vulnerabil...

Patriot-Linux - Host IDS For Desktop Users

Patriot Linux is a HIDS for desktop users who wants real time graphical alerts when something suspicious happens Patriot detect: 1- Suspicious process running 2- New process starting TCP/IP Connection 3- Auditd alerts 4- New keyboards plugged Installation You need to configure Auditd with this...

Linux: audtitd status

auditd is the userspace component to the Linux Auditing System. It SPDX-FileCopyrightText: 2020 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Tylium - Primary Data Pipelines For Intrusion Detection, Security Analytics And Threat Hunting

These files contain configuration for producing EDR endpoint detection and response data in addition to standard system logs. These configurations enable the production of these data streams using F/OSS free and / or open source tooling. The F/OSS tools consist of Auditd for Linux; Sysmon for...

SUSE SLED12 / SLES12 Security Update : audit (SUSE-SU-2019:1166-1)

This update for audit fixes the following issues : Audit on SUSE Linux Enterprise 12 SP3 was updated to 2.8.1 to bring new features and bugfixes. bsc1125535 FATE326346 Many features were added to auparsenormalize cli option added to auditd and audispd for setting config dir In auditd, restore the...

SUSE SLED12 / SLES12 Security Update : audit (SUSE-SU-2019:0563-1)

This update for audit fixes the following issues : Audit on SUSE Linux Enterprise 12 SP4 was updated to 2.8.1 to bring new features and bugfixes. bsc1125535 FATE326346 Many features were added to auparsenormalize cli option added to auditd and audispd for setting config dir In auditd, restore the...

Linux: Separate partition for /var/log/audit directory

The /var/log/audit directory is used by auditd. This script tests options set on /var/log/audit filesystem. Copyright C 2019 Greenbone Networks GmbH SPDX-License-Identifier: GPL-2.0-or-later This program is free software; you can redistribute it and/or modify it under the terms of the GNU General...

Honeybits - A Simple Tool Designed To Enhance The Effectiveness Of Your Traps By Spreading Breadcrumbs & Honeytokens Across Your Systems

A simple tool designed to enhance the effectiveness of your traps by spreading breadcrumbs & honeytokens across your production servers and workstations to lure the attacker toward your honeypots. Author: Adel "0x4D31" Karimi. Background The problem with the traditional implementation of honeypot...

Extending Linux Executable Logging With The Integrity Measurement Architecture

Gaining insight into the files being executed on your system is a great first step towards improved visibility on your endpoints. Taking this a step further, centrally storing logs of file execution data so they can be used for detection and hunting provides an excellent opportunity to find evil ...

Extending Linux Executable Logging With The Integrity Measurement Architecture

Gaining insight into the files being executed on your system is a great first step towards improved visibility on your endpoints. Taking this a step further, centrally storing logs of file execution data so they can be used for detection and hunting provides an excellent opportunity to find evil ...

Extending Linux Executable Logging With The Integrity Measurement Architecture

Gaining insight into the files being executed on your system is a great first step towards improved visibility on your endpoints. Taking this a step further, centrally storing logs of file execution data so they can be used for detection and hunting provides an excellent opportunity to find evil ...

openSUSE Security Update : krb5 (openSUSE-2016-230)

This update for krb5 fixes the following issues : - CVE-2015-8629: Information leak authenticated attackers with permissions to modify the database bsc963968 - CVE-2015-8630: An authenticated attacker with permission to modify a principal entry may have caused kadmind to crash bsc963964 -...