Peripheral Device Discovery
Adversaries may attempt to gather information about attached peripheral devices and components connected to a computer system. The information may be used to enhance their awareness of the system and network environment or may be used for further actions.
|ADVSTORESHELL||ADVSTORESHELL can list connected devices. |
|APT28||APT28 uses a module to receive a notification every time a USB mass storage device is inserted into a victim. |
|APT37||APT37 has a Bluetooth device harvester, which uses Windows Bluetooth APIs to find information on connected Bluetooth devices. |
|BADNEWS||BADNEWS checks for new hard drives on the victim, such as USB devices, by listening for the WM_DEVICECHANGE window message.  |
|BlackEnergy||BlackEnergy can gather very specific information about attached USB devices, to include device instance ID and drive geometry. |
|Equation||Equation has used tools with the functionality to search for specific information about the attached hard drive that could be used to identify and overwrite the firmware. |
|FlawedAmmyy||FlawedAmmyy will attempt to detect if a usable smart card is current inserted into a card reader. |
|Gamaredon Group||Gamaredon Group tools contained an application to check performance of USB flash drives. |
|jRAT||jRAT can map UPnP ports. |
|MoonWind||MoonWind obtains the number of removable drives from the victim. |
|njRAT||njRAT will attempt to detect if the victim system has a camera during the initial infection. |
|Prikormka||A module in Prikormka collects information on available printers and disk drives. |
|RTM||RTM can obtain a list of smart card readers attached to the victim. |
|T9000||T9000 searches through connected drives for removable storage devices. |
|USBStealer||USBStealer monitors victims for insertion of removable drives. When dropped onto a second victim, it also enumerates drives connected to the system. |
|WannaCry||WannaCry contains a thread that will attempt to scan for new attached drives every few seconds. If one is identified, it will encrypt the files on the attached device. |
XAgentOSX contains the showBackupIosFolder function to check for IOS device backups by running
|Zebrocy||Zebrocy enumerates information about connected storage devices. |
This type of attack technique cannot be easily mitigated with preventive controls since it is based on the abuse of system features.
System and network discovery techniques normally occur throughout an operation as an adversary learns the environment. Data and events should not be viewed in isolation, but as part of a chain of behavior that could lead to other activities based on the information obtained.
Monitor processes and command-line arguments for actions that could be taken to gather system and network information. Remote access tools with built-in features may interact directly with the Windows API to gather information. Information may also be acquired through Windows system management tools such as Windows Management Instrumentation and PowerShell.
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