Shipping to Elasticsearch Microsoft DNS Logs - SANS ISC
Sep 11, 2021 · The logs have been mapped using DNS ECS field meta here [1]. → First step is to load the Microsoft DNS templates [3] [4] via Kibana Dev Tools to create the microsoft.dns Index …
CSAM: Misc. DNS Logs - SANS Internet Storm Center
Oct 2, 2013 · Could be a misconfigured DNS server, or a network device (Anti-DoS?) interfering with the query. Got any other DNS logs? ------ Johannes B. Ullrich, Ph.D. SANS Technology Institute Twitter …
Simulating Traffic With Scapy - SANS Internet Storm Center
Aug 30, 2024 · I had an instance where I wanted to generate logs to test a log forwarding agent. This agent was processing DNS logs. There are a variety of ways that I could have decided to simulate …
[Guest Diary] Using Zeek, Snort, and Grafana to Detect Crypto Mining ...
Nov 26, 2024 · The default configuration for Zeek created SSH logs, DNS logs, and connection logs. In a busy network this could easily go undetected. Following the TCP stream for that port 2137 …
What's Normal: New uses of DNS, Discovery of Designated Resolvers …
Nov 7, 2023 · Collecting and analyzing DNS logs should be at the top of your agenda regarding network monitoring. Everything that happens on the network tends to be reflected in DNS, and events that do …
Running your Own Passive DNS Service - SANS ISC
Mar 27, 2019 · Passive DNS is a nice alternative to the regular collection of DNS logs, if you can't have access to the DNS logs because your System Admin is not cooperative (yeah, this happens!). You …
Watching those DNS logs - SANS Internet Storm Center
Aug 5, 2008 · The command below results in a sortable list in "IP,domain-queried" format that can be easily post-processed from a shell script tshark -t ad -e ip.dst -e dns.qry.name -E separator=, -T …
Integrating Pi-hole Logs in ELK with Logstash - SANS ISC
Dec 7, 2019 · I wanted to parse and ingest my Pi-hole DNS logs for a while now in Elasticsearch to be able to analyze them in various ways. I wrote four separate Grok parser for Logstash to send the …
More on DNS Archeology (with PowerShell) - SANS ISC
Oct 25, 2019 · There's been a lot of interest in collecting DNS information from client stations lately (specifically with sysmon), but I'm still seeing lots of value in using the DNS logs we've already got …
DNS Logs in Public Clouds - SANS Internet Storm Center
Dec 16, 2020 · And lastly, proxy or firewall logs, are only a partial indicator at best in this scenario, because these logs likely wouldn't register if the C2 domain was just DNS-resolved by the implant, …