Threat Hunting

Yara 101

by
This entry is part 5 of 23 in the series Threat Detection Engineering

Views: 15YARA is a powerful pattern-matching tool and rule format used for identifying and classifying files based on specific patterns, characteristics, or content. SOC analysts commonly use YARA rules to detect and classify malware samples, suspicious files, or indicators of compromise (IOCs). Yara is an essential tool used by SOC analysts to enhance their threat detection … Read more

Practical Threat Hunting using Elastic SIEM: Hunting for Stuxbot

by
This entry is part 11 of 23 in the series Threat Detection Engineering

Views: 218Based 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

by
This entry is part 4 of 13 in the series Incident Response and Forensics

Views: 22NetworkMiner 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

Custom detection rule with the MITRE ATT&CK framework in Splunk

by
This entry is part 8 of 23 in the series Threat Detection Engineering

Views: 45Let’s walk through a practical example of creating a custom detection rule with the MITRE ATT&CK framework in Splunk. Example:Let’s say we want to create a detection rule for the technique T1566.001 – “Phishing: Spearphishing Attachment” from the MITRE ATT&CK framework. This technique involves targeted phishing attacks where attackers send malicious attachments via email … Read more

Detect brute force attacks using Splunk

by

Views: 50To detect brute force attacks using Splunk, you can create queries that monitor and analyze relevant log data. Here are some example Splunk queries that can help you identify potential brute force attack patterns: Explanation: This query searches for log entries containing the phrase “Failed password” and then groups them by the source IP … Read more

Investigate SQLi attacks using Splunk

by
This entry is part 9 of 23 in the series Threat Detection Engineering

Views: 51Sure! Here are a few Splunk queries that can help detect web application attacks: Note: Replace <your_index> and <your_sourcetype> with the appropriate values from your Splunk environment. Also, make sure you have the corresponding lookup tables (sql_injection_keywords.csv, xss_keywords.csv, etc.) populated with relevant attack patterns. You may need to modify the queries based on your … Read more

Splunk Threat Hunting – Windows Events

by

Views: 41When performing threat hunting using Splunk on Windows systems, there are several important queries you can use to identify potential threats and security incidents. Here are some examples: This query looks for event code 4688, which indicates process creation events. It filters out known Splunk-related processes to focus on potentially suspicious activities. This query … Read more

Threat Intelligence Tools – Abuse.ch

by
This entry is part 6 of 23 in the series Threat Detection Engineering

Views: 31Abuse.ch Platform Abuse.ch is a research project hosted by the Institue for Cybersecurity and Engineering at the Bern University of Applied Sciences in Switzerland. It was developed to identify and track malware and botnets through several operational platforms developed under the project. These platforms are: MalwareBazaar As the name suggests, this project is an all … Read more

Threat Intelligence Tools – URLScan.io

by
This entry is part 7 of 23 in the series Threat Detection Engineering

Views: 53Urlscan.io is a free service developed to assist in scanning and analysing websites. It is used to automate the process of browsing and crawling through websites to record activities and interactions. When a URL is submitted, the information recorded includes the domains and IP addresses contacted, resources requested from the domains, a snapshot of the … Read more

Threat Intelligence

by

Views: 9Threat Intelligence Foundation: Threat Intelligence is the analysis of data and information using tools and techniques to generate meaningful patterns on how to mitigate against potential risks associated with existing or emerging threats targeting organisations, industries, sectors or governments. To mitigate against risks, we can start by trying to answer a few simple questions: … Read more