Rule Library

Sigma Rules

4 rules found for "Joseph Kamau"

3,731Total
3,132Detection
457Emerging
139Hunting
Detectionmediumtest

Potential Linux Process Code Injection Via DD Utility

Detects the injection of code by overwriting the memory map of a Linux process using the "dd" Linux command.

LinuxProcess Creation
Joseph KamauFri Dec 01linux
Detectionhightest

Uncommon File Creation By Mysql Daemon Process

Detects the creation of files with scripting or executable extensions by Mysql daemon. Which could be an indicator of "User Defined Functions" abuse to download malware.

WindowsFile Event
Joseph KamauMon May 27windows
Detectionmediumtest

Potential Suspicious Browser Launch From Document Reader Process

Detects when a browser process or browser tab is launched from an application that handles document files such as Adobe, Microsoft Office, etc. And connects to a web application over http(s), this could indicate a possible phishing attempt.

WindowsProcess Creation
Joseph KamauMon May 27windows
Threat Huntlowexperimental

HTML File Opened From Download Folder

Detects web browser process opening an HTML file from a user's Downloads folder. This behavior is could be associated with phishing attacks where threat actors send HTML attachments to users. When a user opens such an attachment, it can lead to the execution of malicious scripts or the download of malware. During investigation, analyze the HTML file for embedded scripts or links, check for any subsequent downloads or process executions, and investigate the source of the email or message containing the attachment.

WindowsProcess Creation
Joseph KamauFri Dec 05windows