DragonReturn Steganographic JPEG Payload Retrieval to C:\Windows\background.jpg
Detects indicators of the DragonReturn malware campaign, specifically the download and deployment of malicious payloads hidden within image files. The rule monitors for network connections to known malicious infrastructure, the creation of specific steganographic staging files in sensitive directories, and the use of the URLDownloadToFile API to retrieve these payloads.
Splunk (SPL)
