ELASTIC SIEM: Kibana Query Language (KQL) 

This entry is part 10 of 22 in the series Threat Detection Engineering

Views: 65Different Syntax Languages Kibana supports two types of syntax languages for querying in Kibana: KQL (Kibana Query Language) and Lucene Query Syntax. Special Characters Certain characters are reserved in ELK queries and must be escaped before usage. Reserved characters in ELK include +, -, =, &&, ||, &, | and !. For instance, using the + character in a query will result in an error; to escape this character, precede it with … Read more

Threat Detection: Detecting a Webserver Attack

This entry is part 1 of 22 in the series Threat Detection Engineering

Views: 55LAB Setup Let’s use the DIWA ( Deliberately Insecure Web Application) vulnerable created by Tim Steufmehl , to setup the victim machine. Prepare a Linux machiine with Docker installed. Follow the these instructions to install Docker on Ubuntu. With the above steps, the DIWA app should be UP and running on the Linux VM. Let’s … Read more

Cyber Kill Chain

Views: 25Cyber Kill Chain Official Page: https://www.lockheedmartin.com/en-us/capabilities/cyber/cyber-kill-chain.html Cyber Kill Chain is a framework created by Lockheed Martin in 2011 and used to model the attacks of attackers. Within this framework, attacker behaviors and the whole cyber attack process consists of 7 steps that follow one another.  Cyber Kill Chain is important for the SOC analyst to … Read more

Practical Threat Hunting using Elastic SIEM: Hunting for Stuxbot

This entry is part 7 of 22 in the series Threat Detection Engineering

Views: 365Based on the INTRODUCTION TO THREAT HUNTING & HUNTING WITH ELASTIC module from HTB-Academy Hunting for Stuxbot The Stuxbot cybercrime group operates with a broad scope, seizing upon opportunities as they arise, without any specific targeting strategy – their motto seems to be anyone, anytime.  The primary motivation behind their actions appears to be espionage … Read more

Netminer

This entry is part 4 of 17 in the series Incident Response and Forensics

Views: 29NetworkMiner Capability Description Traffic sniffing It can intercept the traffic, sniff it, and collect and log packets that pass through the network. Parsing PCAP files It can parse pcap files and show the content of the packets in detail. Protocol analysis It can identify the used protocols from the parsed pcap file. OS fingerprinting It can identify … Read more

Introduction to Network Forensics

This entry is part 3 of 17 in the series Incident Response and Forensics

Views: 23Source: Tryhackme Networkminer room Introduction to Network Forensics Network Forensics is a specific subdomain of the Forensics domain, and it focuses on network traffic investigation. Network Forensics discipline covers the work done to access information transmitted by listening and investigating live and recorded traffic, gathering evidence/artefacts and understanding potential problems.  The investigation tries to … Read more

Analysis with Wireshark

This entry is part 11 of 17 in the series Incident Response and Forensics

Views: 25TShark VS. Wireshark (Terminal vs. GUI) TShark is a purpose-built terminal tool based on Wireshark. TShark shares many of the same features that are included in Wireshark and even shares syntax and options. TShark is perfect for use on machines with little or no desktop environment and can easily pass the capture information it … Read more

Traffic Analysis Essentials

Views: 12There are two main techniques used in Traffic Analysis: Flow Analysis Packet Analysis Collecting data/evidence from the networking devices. This type of analysis aims to provide statistical results through the data summary without applying in-depth packet-level investigation.Advantage: Easy to collect and analyse.Challenge: Doesn’t provide full packet details to get the root cause of a case. Collecting … Read more

Incident Handling Life Cycle

This entry is part 1 of 17 in the series Incident Response and Forensics

Views: 15NIST – Security Incident Handling 1. Preparation The preparation phase covers the readiness of an organization against an attack. That means documenting the requirements, defining the policies, incorporating the security controls to monitor like EDR / SIEM / IDS / IPS, etc. It also includes hiring/training the staff. 2. Detection and Analysis The detection phase covers … Read more