Vendor: Microsoft
June 14, 2023 · View on GitHub
Product: Windows
Use-Case: Data Leak
| Rules | Models | MITRE ATT&CK® TTPs | Event Types | Parsers |
|---|---|---|---|---|
| 25 | 15 | 7 | 3 | 3 |
| Event Type | Rules | Models |
|---|---|---|
| file-write | T1114.001 - T1114.001 ↳ FA-Outlook-pst: A file ends with either pst or ost | |
| usb-insert | T1052.001 - Exfiltration Over Physical Medium: Exfiltration over USB ↳ UW-UHD-000: First USB activity event for user, asset and USB device ↳ UW-UHD-001: First USB activity event for user and asset. The USB device (if present) has been used by/with other users/assets in the past. ↳ UW-UHD-010: First USB activity event for user and USB device. The asset has been used with other USB devices in other USB events ↳ UW-UHD-011: First USB activity event for user. The asset and the USB device (if present) have been seen in other USB events ↳ UW-UHD-100: First USB activity event for USB device and asset. The user has been seen performing USB activity in other USB events ↳ UW-UHD-101: First USB activity event for asset. The user and the USB device (if present) have been seen in other USB events ↳ UW-UHD-110: First USB activity event for USB device. The user and the asset have been seen in other USB events ↳ UW-UD-F: First device for user in USB event ↳ UW-DH-F: First asset for device in USB event ↳ UW-UHD-F: First asset and device for user in USB event ↳ UW-UH-A: Abnormal asset for user in USB event ↳ UW-UD-A: Abnormal USB device for user ↳ UW-DH-A: Abnormal asset for USB device T1091 - Replication Through Removable Media ↳ UW-UHD-000: First USB activity event for user, asset and USB device ↳ UW-UHD-001: First USB activity event for user and asset. The USB device (if present) has been used by/with other users/assets in the past. ↳ UW-UHD-010: First USB activity event for user and USB device. The asset has been used with other USB devices in other USB events ↳ UW-UHD-011: First USB activity event for user. The asset and the USB device (if present) have been seen in other USB events ↳ UW-UHD-100: First USB activity event for USB device and asset. The user has been seen performing USB activity in other USB events ↳ UW-UHD-101: First USB activity event for asset. The user and the USB device (if present) have been seen in other USB events ↳ UW-UHD-110: First USB activity event for USB device. The user and the asset have been seen in other USB events ↳ UW-UD-F: First device for user in USB event ↳ UW-DH-F: First asset for device in USB event ↳ UW-UHD-F: First asset and device for user in USB event ↳ UW-UH-A: Abnormal asset for user in USB event ↳ UW-UD-A: Abnormal USB device for user ↳ UW-DH-A: Abnormal asset for USB device | • UW-DH: Hosts that were used with USB Device • UW-UD: USB Devices per User • UW-UH: Hosts used with USB Device per User • UW-UHD: Assets and USB Devices for users |
| vpn-logout | T1052.001 - Exfiltration Over Physical Medium: Exfiltration over USB ↳ UW-FNum: Abnormal number of files written to USB ↳ UW-BSum: Abnormal amount of data written to USB T1048.003 - Exfiltration Over Alternative Protocol: Exfiltration Over Unencrypted/Obfuscated Non-C2 Protocol ↳ EM-FNum: Abnormal number of outgoing emails ↳ EM-DNum: Abnormal number of outgoing email domains ↳ EM-BSum-personal: Abnormal size of outgoing emails to personal account ↳ EM-BSum: Abnormal size of outgoing emails TA0010 - TA0010 ↳ DLP-UPCOUNT: Abnormal number of DLP policy violations for user ↳ DLP-GPCOUNT: Abnormal number of DLP policy violations for peer group ↳ DLP-BSum: Abnormal amount of data written during DLP policy violation T1133 - External Remote Services ↳ VPN-BSum: Abnormal amount of data uploaded during VPN Session T1052 - Exfiltration Over Physical Medium ↳ PR-NPSum: Abnormal number of pages printed | • UW-BSum: Sum of bytes written to USB • UW-FNum: Count of assets Files Written to USB • EM-BSum: Sum of bytes in outgoing emails • EM-BSum-personal: Sum of bytes in outgoing emails to personal domains • EM-DNum: Number of distinct domains • EM-FNum: Count of outgoing emails • DLP-BSum: Sum of bytes written during DLP policy violation • DLP-GPCOUNT: Count of DLP policy violations for peer group • DLP-UPCOUNT: Count of DLP policy violations for user • VPN-BSum: Sum of bytes uploaded during VPN • PR-NPSum: Number of pages printed by user |