Skip to content

T1120 Peripheral Device Discovery

Adversaries may attempt to gather information about attached peripheral devices and components connected to a computer system.12 Peripheral devices could include auxiliary resources that support a variety of functionalities such as keyboards, printers, cameras, smart card readers, or removable storage. The information may be used to enhance their awareness of the system and network environment or may be used for further actions.

Item Value
ID T1120
Tactics TA0007
Platforms Linux, Windows, macOS
Permissions required Administrator, SYSTEM, User
Version 1.3
Created 31 May 2017
Last Modified 11 March 2022

Procedure Examples

ID Name Description
S0045 ADVSTORESHELL ADVSTORESHELL can list connected devices.20
G0007 APT28 APT28 uses a module to receive a notification every time a USB mass storage device is inserted into a victim.41
G0067 APT37 APT37 has a Bluetooth device harvester, which uses Windows Bluetooth APIs to find information on connected Bluetooth devices. 43
S0438 Attor Attor has a plugin that collects information about inserted storage devices, modems, and phone devices.25
G0135 BackdoorDiplomacy BackdoorDiplomacy has used an executable to detect removable media, such as USB flash drives.21
S0128 BADNEWS BADNEWS checks for new hard drives on the victim, such as USB devices, by listening for the WM_DEVICECHANGE window message.1819
S0234 Bandook Bandook can detect USB devices.8
S0089 BlackEnergy BlackEnergy can gather very specific information about attached USB devices, to include device instance ID and drive geometry.16
S0454 Cadelspy Cadelspy has the ability to steal information about printers and the documents sent to printers.17
S0115 Crimson Crimson has the ability to discover pluggable/removable drives to extract files from.3637
S0538 Crutch Crutch can monitor for removable drives being plugged into the compromised machine.27
S0673 DarkWatchman DarkWatchman can list signed PnP drivers for smartcard readers.23
S0062 DustySky DustySky can detect connected USB devices.28
G0020 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.42
S0679 Ferocious Ferocious can run GET.WORKSPACE in Microsoft Excel to check if a mouse is present.24
S0381 FlawedAmmyy FlawedAmmyy will attempt to detect if a usable smart card is current inserted into a card reader.15
G0047 Gamaredon Group Gamaredon Group tools have contained an application to check performance of USB flash drives. Gamaredon Group has also used malware to scan for removable drives.4445
S0283 jRAT jRAT can map UPnP ports.38
S0409 Machete Machete detects the insertion of new devices by listening for the WM_DEVICECHANGE window message.26
S0149 MoonWind MoonWind obtains the number of removable drives from the victim.34
S0385 njRAT njRAT will attempt to detect if the victim system has a camera during the initial infection. njRAT can also detect any removable drives connected to the system.910
S0644 ObliqueRAT ObliqueRAT can discover pluggable/removable drives to extract files from.11
G0049 OilRig OilRig has used tools to identify if a mouse is connected to a targeted system.40
G0116 Operation Wocao Operation Wocao has discovered removable disks attached to a system.46
S0113 Prikormka A module in Prikormka collects information on available printers and disk drives.14
S0650 QakBot QakBot can identify peripheral devices on targeted systems.22
S0686 QuietSieve QuietSieve can identify and search removable drives for specific file name extensions.5
S0481 Ragnar Locker Ragnar Locker may attempt to connect to removable drives and mapped network drives.39
S0458 Ramsay Ramsay can scan for removable media which may contain documents for collection.1213
S0148 RTM RTM can obtain a list of smart card readers attached to the victim.2930
S0603 Stuxnet Stuxnet enumerates removable drives for infection.7
S0098 T9000 T9000 searches through connected drives for removable storage devices.31
S0467 TajMahal TajMahal has the ability to identify connected Apple devices.6
S0647 Turian Turian can scan for removable media to collect data.21
G0010 Turla Turla has used fsutil fsinfo drives to list connected drives.47
S0452 USBferry USBferry can check for connected USB devices.35
S0136 USBStealer USBStealer monitors victims for insertion of removable drives. When dropped onto a second victim, it also enumerates drives connected to the system.33
S0366 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.4
S0612 WastedLocker WastedLocker can enumerate removable drives prior to the encryption process.32
S0251 Zebrocy Zebrocy enumerates information about connected storage devices.3


ID Data Source Data Component
DS0017 Command Command Execution
DS0009 Process OS API Execution


  1. Shahriar Shovon. (2018, March). List USB Devices Linux. Retrieved March 11, 2022. 

  2. SS64. (n.d.). system_profiler. Retrieved March 11, 2022. 

  3. Falcone, R., Lee, B. (2018, November 20). Sofacy Continues Global Attacks and Wheels Out New ‘Cannon’ Trojan. Retrieved November 26, 2018. 

  4. Berry, A., Homan, J., and Eitzman, R. (2017, May 23). WannaCry Malware Profile. Retrieved March 15, 2019. 

  5. Microsoft Threat Intelligence Center. (2022, February 4). ACTINIUM targets Ukrainian organizations. Retrieved February 18, 2022. 

  6. GReAT. (2019, April 10). Project TajMahal – a sophisticated new APT framework. Retrieved October 14, 2019. 

  7. Nicolas Falliere, Liam O. Murchu, Eric Chien. (2011, February). W32.Stuxnet Dossier. Retrieved December 7, 2020. 

  8. Galperin, E., Et al.. (2016, August). I Got a Letter From the Government the Other Day.... Retrieved April 25, 2018. 

  9. Fidelis Cybersecurity. (2013, June 28). Fidelis Threat Advisory #1009: “njRAT” Uncovered. Retrieved June 4, 2019. 

  10. Pascual, C. (2018, November 27). AutoIt-Compiled Worm Affecting Removable Media Delivers Fileless Version of BLADABINDI/njRAT Backdoor. Retrieved June 4, 2019. 

  11. Malhotra, A. (2021, March 2). ObliqueRAT returns with new campaign using hijacked websites. Retrieved September 2, 2021. 

  12. Sanmillan, I.. (2020, May 13). Ramsay: A cyber‑espionage toolkit tailored for air‑gapped networks. Retrieved May 27, 2020. 

  13. Antiy CERT. (2020, April 20). Analysis of Ramsay components of Darkhotel’s infiltration and isolation network. Retrieved March 24, 2021. 

  14. Cherepanov, A.. (2016, May 17). Operation Groundbait: Analysis of a surveillance toolkit. Retrieved May 18, 2016. 

  15. Proofpoint Staff. (2018, March 7). Leaked Ammyy Admin Source Code Turned into Malware. Retrieved May 28, 2019. 

  16. Baumgartner, K. and Garnaeva, M.. (2014, November 3). BE2 custom plugins, router abuse, and target profiles. Retrieved March 24, 2016. 

  17. Symantec Security Response. (2015, December 7). Iran-based attackers use back door threats to spy on Middle Eastern targets. Retrieved April 17, 2019. 

  18. Settle, A., et al. (2016, August 8). MONSOON - Analysis Of An APT Campaign. Retrieved September 22, 2016. 

  19. Lunghi, D., et al. (2017, December). Untangling the Patchwork Cyberespionage Group. Retrieved July 10, 2018. 

  20. ESET. (2016, October). En Route with Sednit - Part 2: Observing the Comings and Goings. Retrieved November 21, 2016. 

  21. Adam Burgher. (2021, June 10). BackdoorDiplomacy: Upgrading from Quarian to Turian. Retrieved September 1, 2021 

  22. Mendoza, E. et al. (2020, May 25). Qakbot Resurges, Spreads through VBS Files. Retrieved September 27, 2021. 

  23. Smith, S., Stafford, M. (2021, December 14). DarkWatchman: A new evolution in fileless techniques. Retrieved January 10, 2022. 

  24. Yamout, M. (2021, November 29). WIRTE’s campaign in the Middle East ‘living off the land’ since at least 2019. Retrieved February 1, 2022. 


  26. ESET. (2019, July). MACHETE JUST GOT SHARPER Venezuelan government institutions under attack. Retrieved September 13, 2019. 

  27. Faou, M. (2020, December 2). Turla Crutch: Keeping the “back door” open. Retrieved December 4, 2020. 

  28. GReAT. (2019, April 10). Gaza Cybergang Group1, operation SneakyPastes. Retrieved May 13, 2020. 

  29. Faou, M. and Boutin, J. (2017, February). Read The Manual: A Guide to the RTM Banking Trojan. Retrieved March 9, 2017. 

  30. Duncan, B., Harbison, M. (2019, January 23). Russian Language Malspam Pushing Redaman Banking Malware. Retrieved June 16, 2020. 

  31. Grunzweig, J. and Miller-Osborn, J.. (2016, February 4). T9000: Advanced Modular Backdoor Uses Complex Anti-Analysis Techniques. Retrieved April 15, 2016. 

  32. Walter, J.. (2020, July 23). WastedLocker Ransomware: Abusing ADS and NTFS File Attributes. Retrieved September 14, 2021. 

  33. Calvet, J. (2014, November 11). Sednit Espionage Group Attacking Air-Gapped Networks. Retrieved January 4, 2017. 

  34. Miller-Osborn, J. and Grunzweig, J.. (2017, March 30). Trochilus and New MoonWind RATs Used In Attack Against Thai Organizations. Retrieved March 30, 2017. 

  35. Chen, J.. (2020, May 12). Tropic Trooper’s Back: USBferry Attack Targets Air gapped Environments. Retrieved May 20, 2020. 

  36. Huss, D. (2016, March 1). Operation Transparent Tribe. Retrieved June 8, 2016. 

  37. Dedola, G. (2020, August 20). Transparent Tribe: Evolution analysis, part 1. Retrieved September 2, 2021. 

  38. Kamluk, V. & Gostev, A. (2016, February). Adwind - A Cross-Platform RAT. Retrieved April 23, 2019. 

  39. SophosLabs. (2020, May 21). Ragnar Locker ransomware deploys virtual machine to dodge security. Retrieved June 29, 2020. 

  40. Check Point. (2021, April 8). Iran’s APT34 Returns with an Updated Arsenal. Retrieved May 5, 2021. 

  41. Anthe, C. et al. (2015, October 19). Microsoft Security Intelligence Report Volume 19. Retrieved December 23, 2015. 

  42. Kaspersky Lab’s Global Research and Analysis Team. (2015, February). Equation Group: Questions and Answers. Retrieved December 21, 2015. 

  43. GReAT. (2019, May 13). ScarCruft continues to evolve, introduces Bluetooth harvester. Retrieved June 4, 2019. 

  44. Kasza, A. and Reichel, D. (2017, February 27). The Gamaredon Group Toolset Evolution. Retrieved March 1, 2017. 

  45. Boutin, J. (2020, June 11). Gamaredon group grows its game. Retrieved June 16, 2020. 

  46. Dantzig, M. v., Schamper, E. (2019, December 19). Operation Wocao: Shining a light on one of China’s hidden hacking groups. Retrieved October 8, 2020. 

  47. Faou, M. (2020, May). From Agent.btz to ComRAT v4: A ten-year journey. Retrieved June 15, 2020. 

Back to top