Abnormally Large JPEG Filed Downloaded from New Source

'Threat actors can use JPEG files to hide malware, or other malicious code from inspection. This query looks for the downloading of abnormally large JPEG files from a source where large JPEG files have not been downloaded. Ref: https://www.microsoft.com/security/blog/2022/07/27/untangling-knotweed-european-private-sector-offensive-actor-using-0-day-exploits/'