Threat Detection and Incident Response

Analysis with Wireshark

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This entry is part 11 of 18 in the series Incident Response and Forensics

Views: 21TShark 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

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Views: 11There 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

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This entry is part 1 of 18 in the series Incident Response and Forensics

Views: 13NIST – 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

Detect brute force attacks using Splunk

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Views: 51To 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

Splunk Threat Hunting – Windows Events

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Views: 42When 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

Windows Event IDs to monitor/investigation

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Views: 17SOC (Security Operations Center) teams typically monitor various Windows event IDs to detect and respond to security incidents. While the specific event IDs may vary depending on the organization’s security policies and requirements, here are some commonly monitored Windows event IDs: It’s important to note that the specific event IDs to monitor may vary … Read more