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Microsoft SmartScreen - Mark of the Web Zone.Identifier ReferrerUrl in NTFS Alternate DataStream

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From where does Windows know, if a file is from a trusted or untrusted source? Microsofts Smartscreen writes the downloaded origin into the ...

Windows Credential Guard CredGuard active?

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If you want to check if Microsofts Windows Credential Guard CredGuard is active, you may do so by either checking msinfo32.exe or powershell...

Ransomware video by Last Week Tonight with John Oliver

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 A quite nice explanation of ransomware as a video by Last Week Tonight with John Oliver:       Additional tipps for everyone: https://how2i...

Zenmap show SSHv2 algorithms/cipher suite

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Discover the used SSHv2 algorithms/cipher suite using nmap or zenmap can be done using the follwing nse-script and steps: URL: https://nmap....

Windows CVE-2021-34527 PrintNightmare - Useful flowchart

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  @wdormann posted a very useful flowchart regarding Windows CVE-2021-34527 PrintNightmare: https://www.kb.cert.org/vuls/id/383432 Further...

"gpupdate" vs "gpupdate /force" & Group Policy Processing Order

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gpupdate vs gpupdate /force   Microsoft Windows Group Policy refresh can be manually using the command "gpupdate". There is a ...
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eBPF will change a lot like JavaScript did - Netflix example

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Netflix released an article about how they use eBPF in order to track and analyze network application traffic without having issues with res...

Apache2 wont start due to missing dhparam.pem

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If your apache2 on linux system (in this case ubuntu 20) does not start due to "'dhparam.pem' does not exist or is empty" ...

Splunk PowerShell SIEM use cases from splunk .conf

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Ryan Kovar and Steve Brant from Splunk released on Splunk .conf 2016 a bunch of useful PowerShell SIEM use cases: https://conf.splunk.com/f...

Howto verify your cloudflare API token

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In order to verify your cloudflare API token, simply use the following command:  curl -X GET "https://api.cloudflare.com/client/v4/user...

Microsoft 365 License Maps

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I just found some nice Microsoft 365 licnese maps, which might be useful comparing serives, for example of Microsoft 365 Enterprise E3 vs E5...

Access Azure Key Vault Secrets and Keys with Azure CLI

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List all your Azure Key Vaults Azure:~$ Azure:~$ az keyvault list --query [0].name "my-keyvault-93456" Azure:~$ Azure:~$ az ...
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Microsoft Windows Defender SmartScreen demo pages for testing

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Microsoft provides some demo or testing pages, in which the Microsoft Windows Defender SmartScreen functionality can be tested, similar to ...

Ping with timestamp in powershell

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Sometimes you want to simply check something from a Windows system with ping and review it with timestamps. In order to do that you may use ...

Browser Client-Side Storage Partitioning - Total Cookie Protection

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A step to increase it-security is segmenting client-side (cookie) storage: https://github.com/privacycg/storage-partitioning " User a...

API security - How to start securing APIs

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APIs are great, they are everywhere and they grow. When thinking about API security very often very basic security mechanisms are missing. T...

FortiManager task fails when MTU is changed on LAG-Interface of FortiGate HA

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If you want to change the MTU of your FortiGate HA-Cluster by using the FortiManager, think about removing the HA monitored interface for th...