Threat Group Cards: A Threat Actor Encyclopedia Archived: 2026-04-05 20:00:25 UTC Home > List all groups > List all tools > List all groups using tool XDMonitor Tool: XDMonitor Names XDMonitor Category Malware Type Reconnaissance, Backdoor, Info stealer, Exfiltration Description (ESET) XDMonitor is intended to monitor the machine’s activity. It monitors when removable drives are inserted by creating a new hidden window and registering it for device notification (using RegisterDeviceNotificationW and the GUID GUID_DEVINTERFACE_DISK). When a new drive is inserted, it crawls it recursively. When a file with an interesting extension (the same list as for XDList) is found, it encrypts it using RC4 (the hard-coded key is 1234123412341234) and uploads it to the C&C server. It also takes a screenshot every minute. Unlike the screenshots taken by XDList, the image is not encrypted and is stored in %TEMP%\tmp%YEAR%%MONTH%%DAY%_%TICK_COUNT%.s. The screenshot is uploaded to the C&C immediately after being taken. Finally, XDMonitor sends regular debug messages to the C&C server. Information Last change to this tool card: 19 October 2020 Download this tool card in JSON format All groups using tool XDMonitor Changed Name Country Observed APT groups   XDSpy [Unknown] 2011-Jul 2024   1 group listed (1 APT, 0 other, 0 unknown) https://apt.etda.or.th/cgi-bin/listgroups.cgi?u=87dcdd53-b099-4067-ae5e-2bf242977fa0 Page 1 of 2 Source: https://apt.etda.or.th/cgi-bin/listgroups.cgi?u=87dcdd53-b099-4067-ae5e-2bf242977fa0 https://apt.etda.or.th/cgi-bin/listgroups.cgi?u=87dcdd53-b099-4067-ae5e-2bf242977fa0 Page 2 of 2 APT groups XDSpy [Unknown] 2011-Jul 2024 1 group listed (1 APT, 0 other, 0 unknown) Page 1 of 2