ISC StormCast for Friday, July 12th 2019

Analysis of a Recent AZORult Sample
https://isc.sans.edu/forums/diary/Recent+AZORult+activity/25120/
Apple Delete Zoom Web Server
https://www.macrumors.com/2019/07/10/apple-update-remove-zoom-server/
Apple Disables Walkie Talkie App
https://techcrunch.com/2019/07/10/apple-disables-walkie-talkie-app-due-to-vulnerability-that-could-allow-iphone-eavesdropping/
Windows PXE Devices May Fail to Boot After Recent Update
https://support.microsoft.com/en-in/help/4512816/devices-that-start-up-using-preboot-execution-environment-pxe-images-f
Sean Goodwin: Attackers Inside the WAlls: Detecting Malicious Activity
https://www.sans.org/reading-room/whitepapers/detection/paper/39055