ThreatHunting
sysmon-config
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ThreatHunting
sysmon-config
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How do you actually threat hunt?
If you don't catch it what changes can you do to your logging to enable it? Can you push it out to the environment? While sysmon is awesome, you can do your hunts with built in logging most of the time... Just might not have all the data around it you want to have. I would throw sysmon on a test box (make sure you have a config file that filters out the noise: https://github.com/SwiftOnSecurity/sysmon-config)
- Microsoft recommend Sysmon and EDR
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Security Cadence: Sysmon (Logging Part 2 out of ?????)
There are also some excellent sample configuration files out there, and -in my opinion- the best of them is from Swift on Security: https://github.com/SwiftOnSecurity/sysmon-config
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Integrating Sysmon events with Crowdsec
Thank you for those wonderful news, i will be glad to collaborate and test it for the community, in fact i am already in Crowdsec Discord channel ,but it will take little bit more time for me to be familiar with Crowdsec integration (around 2 weeks) ,have some tasks in queue ,any way ,if its help we are using this set of rules sysmon rules , to prioritize our detection , in addition we using also Soar Suffle to automate some hash checking for certain folders and files against MISP and Malwarebazar workflows
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splunk sysmon events
Yes absolutely. This is a very common workflow for both. One note is that you need to also find a sysmon config to use as well, and there's no easy way to manage either sysmon or its config through Splunk. Recommendations for a config are either SwiftOnSecurity's or Olaf's SysmonModular. They significantly overlap and work with each other on patches. SwiftOnSecurity's is a better pure drop-in, and Olaf's is better if you want to do customization.
- What's your approach to gathering data for DFIR analysis, and how much data do you typically gather?
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Best monitoring software that works like event logs?
For some of the items you mentioned having a good sysmon config would help too. https://github.com/SwiftOnSecurity/sysmon-config or https://github.com/olafhartong/sysmon-modular are good starting points
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Hosts making DNS queries to malicious site. How to dig deeper and find source?
I'd install sysmon if it is not already present on the infected machines, with Swift's config or Olaf's config file.
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This Visual Studio Code extension is for heping in the writting of Sysmon XML configuration files - now supports Sysmon for Linux schema
SwiftOnSecurity's config is well commented, going through it may help. There's also sysmon-modular which seems similar.
- Sysmon for Linux 1.0.0 Released
What are some alternatives?
sigma - Main Sigma Rule Repository
sysmon-modular - A repository of sysmon configuration modules
ansible-role-elasticsearch - Ansible Role - Elasticsearch
SysmonTools - Utilities for Sysmon
signature-base - YARA signature and IOC database for my scanners and tools
MISP - MISP (core software) - Open Source Threat Intelligence and Sharing Platform
vscode-sysmon - Visual Studio Code Microsoft Sysinternal Sysmon configuration file extension.
SysmonForLinux
Event-Forwarding-Guidance - Configuration guidance for implementing collection of security relevant Windows Event Log events by using Windows Event Forwarding. #nsacyber
PetitPotam - PoC tool to coerce Windows hosts to authenticate to other machines via MS-EFSRPC EfsRpcOpenFileRaw or other functions.
SysmonConfigPusher - Pushes Sysmon Configs
google-cloud-ops-agents-ansible - Ansible Role for Google Cloud Ops