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Showing posts with the label Blue Team Level 1 (BTL1)

How to Become a Threat Hunter.

How Can I Become a Threat Hunter? If you're asking yourself this question, you are at the right place. Becoming a skilled threat hunter is a journey that requires dedication, deep knowledge, hands-on experience, and continuous learning. The role itself is complex, often bridging the worlds of offensive (attacking) and defensive (protecting) cybersecurity practices. Threat hunters are highly specialized professionals who proactively seek out covert threats that have already infiltrated the system and avoid detection by traditional security controls such as firewalls, antivirus programs, and intrusion detection/prevention systems (IDS/IPS). If you're aiming to enter the field of threat hunting, you’ll need more than just curiosity; you’ll need a combination of technical prowess, real-world experience, and an analytical mindset. Below, we’ll break down how to become a threat hunter, with an emphasis on building the skills, knowledge, and experience required to thrive in this grow...

Introduction to Threat Hunting.

 Threat Hunting: A Purple Team Discipline.

Kape: Comprehensive Guide.

Kape: Kroll Artifact Parser and Extractor. Developed by Eric Zimmerman, is a powerful digital forensic tool designed for rapid collection and analysis of forensic artifacts. It is widely used for incident response, system triage, and forensic investigations. This guide will provide a detailed overview of KAPE, its architecture, capabilities, and usage. 1. Understanding KAPE KAPE operates in two primary phases: Targeting (Collection) : The first step involves using KAPE's Targets to collect forensic data from a system. Targets define the specific artifacts to collect and where to find them. Examples of artifacts include log files, browser history, prefetch files, registry hives, and more. Processing (Parsing) : The second step involves Modules, which process and analyze the collected data. Modules leverage external tools and scripts to parse specific types of artifacts and extract meaningful information. KAPE's modular approach allows investigators to quickly customize workflows...

OSINT - Securing Yourself Online - Anonymization.

1. Introduction: The Need for Anonymity in OSINT. Open-source intelligence (OSINT) is a powerful tool in digital investigations, allowing researchers to access publicly available information to gather insights into a variety of topics, from cybercrime to political analysis. However, conducting OSINT research comes with a unique set of challenges, primarily related to maintaining anonymity and safeguarding your identity. Researchers often need to protect themselves from retaliation, surveillance, and the ethical responsibility of keeping their investigations discreet. The necessity of using anonymization tools and techniques is especially critical in sensitive areas such as political dissidence, investigations into illicit activities, and surveillance of hostile actors. This guide will explore the best practices for anonymizing OSINT efforts, including using virtual machines, VPNs, Tor, browser extensions, and more. 2. Using Virtual Machines (VMs) for Enhanced Anonymity. Virtual Machine...

OSINT Intelligence Cycle.

The OSINT (Open-Source Intelligence) Intelligence Cycle is a structured framework for obtaining and analyzing publicly available information to produce actionable insights. This process, critical in fields like cybersecurity, law enforcement, and business intelligence, consists of five iterative phases designed to ensure efficiency and relevance. 1. Planning and Direction.    This stage sets the groundwork for the intelligence operation. Analysts identify the objectives, determine the scope, and define the type of information required. Clear goals are essential to guide data collection and ensure that efforts are focused and aligned with stakeholder needs. This phase also includes deciding on methodologies and resources required for the operation. 2. Collection (Gathering of Data and Information).    The second phase involves gathering information from publicly accessible sources such as news articles, government records, social media platforms, and geospatial data. ...

What is Osint?

 Open-Source Intelligence (OSINT) refers to the process of collecting, analyzing, and utilizing publicly available data from a wide variety of sources to gather intelligence. These sources can range from publicly accessible information on the internet to data from newspapers, government reports, databases, and even geospatial information. The key distinction of OSINT is that it does not involve covert or illegal methods of gathering information but rather focuses on using data that is readily available to the public, sometimes even through commercial or open platforms. Examples of OSINT data can be gathered from a wide array of open and accessible sources. Some key examples include: Social Media: Publicly available posts, images, videos, and profiles from platforms like Facebook, Twitter, LinkedIn, Instagram, and TikTok. These platforms can reveal personal details about individuals, locations, affiliations, and even plans for upcoming events. News Websites and Online Articles: Ne...

The Dark Side of PowerShell.

PowerShell Exploitation in Cyber Attacks PowerShell has become a common attack vector due to its powerful scripting capabilities and deep integration with Windows systems. Below, we’ll go through advanced technical details, real-world use cases, and thorough explanations for different PowerShell exploitation methods. Recently, PowerShell has become a favored tool among cyber attackers. The Carbon Black Threat Research Team, alongside numerous managed security service providers (MSSP) and incident response (IR) partners, reported an increasing use of PowerShell in cyber attacks. Their research indicates that 38% of cyber incidents involved PowerShell, with 87% of these incidents being commodity malware attacks like click fraud, fake antivirus, ransomware, and other opportunistic malware. Social engineering remains the primary technique for delivering these PowerShell-based attacks, often via malicious email attachments or links. 38% of the confirmed incidents seen by 28 MSSP and IR part...

PowerShell for Differential Analysis

Differential analysis is a powerful method for tracking changes in your system’s configuration. It helps you detect anomalies or suspicious activities, such as malware or unauthorized changes, by comparing the current state of a system to a known baseline. Let’s dive deeper into advanced use cases, case scenarios, and additional examples that illustrate how to apply differential analysis effectively using PowerShell. 1. Services Differential Analysis - Advanced Use Cases. In a typical use case, you’d want to monitor services that run on your system. Malware often installs services to maintain persistence, so it’s crucial to identify any unexpected services. Let's take a closer look at how to extend the analysis and adapt it for real-world scenarios. Case Scenario 1: New Service Addition. Suppose you suspect malware added a new service to your system. You can check the differences between the baseline and the current service list. Example: ```powershell $servicenow = Get-Content .\s...

PowerShell for Registry Analysis

Detailed Overview: PowerShell for Registry Analysis Modifying the registry can lead to significant system instability or data loss if not handled properly. Always back up your registry before making changes. For more information, refer to these Microsoft guidelines: - [Windows Registry Advanced Users Guide](https://learn.microsoft.com/en-us/troubleshoot/windows-server/performance/windows-registry-advanced-users) - [How to Backup and Restore the Registry](https://support.microsoft.com/en-us/topic/how-to-back-up-and-restore-the-registry-in-windows-855140ad-e318-2a13-2829-d428a2ab0692) Registry Query Using PowerShell The Windows Registry stores settings and options for both the operating system and installed software. You can use PowerShell to query and manipulate these registry keys. Example 1: Query Programs in the Run Key To list programs that are configured to run automatically upon login, use the following command: ```powershell Get-ItemProperty -Path "HKLM:\SOFTWARE\Microsoft\W...

Enhancing Efficiency, Essential concepts, Pipelining, Loops, and Variables in PowerShell.

 Enhancing Efficiency in PowerShell 1. Auto-complete commands: ``` PS C:\\> get-child<TAB> PS C:\\> Get-ChildItem ``` - Description: PowerShell provides an auto-completion feature when typing commands. The <TAB> key can be used to complete cmdlets, file paths, or parameter names. - Usage: After typing part of the cmdlet (e.g., get-child), pressing <TAB> will auto-complete it to the full cmdlet name Get-ChildItem. 2. Shorten parameters: ``` PS C:\\> ls –recurse PS C:\\> ls -r ``` - Description: PowerShell allows the use of shortened cmdlet parameters to save time and reduce the length of commands. - Usage: The -recurse parameter in ls can be abbreviated as -r, allowing for faster typing while maintaining the same functionality.  Essential PowerShell Concepts 1. Help & examples: ``` PS C:\\> Get-Help [cmdlet] -examples PS C:\\> help [cmdlet] -examples ``` - Description: Provides examples on how to use a cmdlet. - Usage: The -examples flag ...

Discovering Cmdlets in PowerShell.

Discovering Cmdlets 1. List all cmdlets: ```powershell PS C:\\> Get-Command ``` - Description: `Get-Command` is used to list all commands available in the current PowerShell session, which includes cmdlets, functions, workflows, scripts, and aliases. - Details: When you run `Get-Command`, PowerShell will show you a list of commands that are defined in the session. This can include built-in cmdlets, third-party modules, or any custom functions/scripts you have loaded. - Use case: Useful when you're unsure of what commands are available or when you're looking for a specific cmdlet. 2. Filter cmdlets by verb: ```powershell PS C:\\> Get-Command Set* PS C:\\> Get-Command –Verb Set ``` - Description: The `Get-Command` cmdlet can be filtered to show cmdlets based on their verb. In PowerShell, cmdlets follow a naming convention of `<Verb>-<Noun>`, where the verb describes the action, and the noun describes the object being acted upon. - Details:    - `Set` will li...

Frequently Used Cmdlets and Shortcuts in Powershell.

1. List directory contents (ls, dir, gci): ```powershell PS C:\\> Get-ChildItem ``` - `Get-ChildItem`: Lists the files and directories in the current directory.  - Common Aliases: `ls`, `dir`, `gci`. - The cmdlet retrieves items from the current location or from the specified path. By default, it lists files and folders. 2. Copy a file (cp, copy, cpi): ```powershell PS C:\\> Copy-Item src.txt dst.txt ``` - `Copy-Item`: Copies a file or directory from a source (`src.txt`) to a destination (`dst.txt`). - Common Aliases: `cp`, `copy`, `cpi`. - If the destination is a folder, the item will be copied into that folder. If the destination is a file, it will be copied and renamed accordingly. 3. Move a file (mv, move, mi): ```powershell PS C:\\> Move-Item src.txt dst.txt ``` - `Move-Item`: Moves a file or directory from a source (`src.txt`) to a destination (`dst.txt`). - Common Aliases: `mv`, `move`, `mi`. - If the destination is a folder, the item is moved into that folder. If t...