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DUCTF 2024 - Solo Write Ups

DUCTF 2024 - Solo Write Ups

Dumping the challenges I was able to complete for Down Under CTF 2024! This year I mostly focused on the easier challenges, though even some of the easy ones were quite challenging! tldr please summarise [beginner] For this, a single .docx file was provided, lets check it out in WordPad!

NVIDIA Beta Install 555.42.02 BETA under Arch Linux

I did a fresh install of Arch, using the "NVIDIA Proprietary" drivers available as an option in archinstall. Then, I did the following to switch to latest beta nvidia drivers 555.42.02! This assumes you are using the nvidia-dkms drivers currently with nvidia-utils and lib32-nvidia-utils Add the

Apache Guacamole SSH Key Generation

Apache Guacamole [https://guacamole.apache.org/] is a RDP/VNC/SSH Client for your web browser. SSH keys created by ssh-keygen contains an unsupported header: -----BEGIN OPENSSH PRIVATE KEY----- The existing discussions on the web don't show how to add a passphrase to the key generated with openssl

Expo Adaptive App Icon

Developing an Android app using Expo [https://expo.dev/], you may find that your application icon doesn't scale correctly and appears cut off or not centered properly. You should start with a source icon that is 1024x1024 PNG, mine has transparency too, this will let you generate adaptive

ServiceNow Featured

Service Portal - Custom Header Color in sub-production

It's a good idea to set a separate color on non-production environments so you always know when you're in a production environment.

ServiceNow and Ctrl+S

When editing ServiceNow Script records, like Script Includes or Client Scripts, you might have used the Ctrl+S shortcut to attempt to save your work, only to get your browsers "Save Webpage" popup. This is not ideal, since it's pretty common for modern web applications to

Overriding a ServiceNow Angular Directive

The requirement is to make a Service Portal Reference Field use the "CONTAINS" operator rather than "STARTSWITH" when searching for reference items within existing Catalog Items. There's a few examples of people trying to customize the OOB form fields on Service Portal, with varying

Integrating Ghost with Talk (Coral Project)

In order to accept comments on a Ghost blog, you need to use a separate service to manage the comments stream, such as Disqus, NoteBB or Facebook comments. Out of these, only NodeBB is an open-source project.However I discovered the Talk [https://github.com/coralproject/talk] project, under the

Applying Global CSS to Notifications

Notifications, probably our favorite thing in ServiceNow to configure, right? When it comes to applying styles into notifications, the notification content editor can apply font sizes and text colors, but the majority of the styles that it applies are either in-line CSS, or use HTML tables, which are amazing as

Multipart Upload from ServiceNow

I recently created an integration to upload attachments from ServiceNow to a remote REST web service, that only accepts multipart file uploads. This all needed to happen from within a scoped application, so not all global APIs would be available. The completed implementation of these scripts is available on ServiceNow

Dynamic Form-Field (Jelly UI Macro)

Sometimes there will be a requirement to show a dynamic "field" on a form. This could be used to show custom UI for the current user or for the record. From the technical side, you would use a UI Formatter [http://wiki.servicenow.com/index.php?title=Creating_

ServiceNow Back Button Enhancement

Lots of developers I know have been frustrated by the Back button in ServiceNow redirecting them to unexpected places, sometimes going to the last page, and sometimes returning to a new record. This is mostly caused by the "Navigation Stack", which stores the pages that you have loaded

Integrating ServiceNow with Microsoft Teams

I was recently tasked to develop an integration with Microsoft Teams for pushing notifications of new, and scheduled changes plus high-priority incidents into a Microsoft Teams team. This is a rather trivial REST integration accomplished with a combination of an Outbound REST Message, and a Insert/Update Business Rule(s)