Boot or Logon Autostart Execution: Активная установка
Other sub-techniques of Boot or Logon Autostart Execution (15)
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine. Active Setup is a Windows mechanism that is used to execute programs when a user logs in. The value stored in the Registry key will be executed after a user logs into the computer.(Citation: Klein Active Setup 2010) These programs will be executed under the context of the user and will have the account's associated permissions level.
Adversaries may abuse Active Setup by creating a key under HKLM\SOFTWARE\Microsoft\Active Setup\Installed Components\ and setting a malicious value for StubPath. This value will serve as the program that will be executed when a user logs into the computer.(Citation: Mandiant Glyer APT 2010)(Citation: Citizenlab Packrat 2015)(Citation: FireEye CFR Watering Hole 2012)(Citation: SECURELIST Bright Star 2015)(Citation: paloalto Tropic Trooper 2016)
Adversaries can abuse these components to execute malware, such as remote access tools, to maintain persistence through system reboots. Adversaries may also use Masquerading to make the Registry entries look as if they are associated with legitimate programs.
Примеры процедур |
|
| Название | Описание |
|---|---|
| PoisonIvy |
PoisonIvy creates a Registry key in the Active Setup pointing to a malicious executable.(Citation: Microsoft PoisonIvy 2017)(Citation: paloalto Tropic Trooper 2016)(Citation: FireEye Regsvr32 Targeting Mongolian Gov) |
Обнаружение
Monitor Registry key additions and/or modifications to HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Active Setup\Installed Components\.
Tools such as Sysinternals Autoruns may also be used to detect system changes that could be attempts at persistence, including listing the Active Setup Registry locations and startup folders.(Citation: TechNet Autoruns) Suspicious program execution as startup programs may show up as outlier processes that have not been seen before when compared against historical data.
Ссылки
- Russinovich, M. (2016, January 4). Autoruns for Windows v13.51. Retrieved June 6, 2016.
- Ray, V., et al. (2016, November 22). Tropic Trooper Targets Taiwanese Government and Fossil Fuel Provider With Poison Ivy. Retrieved December 18, 2020.
- Baumgartner, K., Guerrero-Saade, J. (2015, March 4). Who’s Really Spreading through the Bright Star?. Retrieved December 18, 2020.
- Kindlund, D. (2012, December 30). CFR Watering Hole Attack Details. Retrieved December 18, 2020.
- Scott-Railton, J., et al. (2015, December 8). Packrat. Retrieved December 18, 2020.
- Glyer, C. (2010). Examples of Recent APT Persitence Mechanism. Retrieved December 18, 2020.
- Klein, H. (2010, April 22). Active Setup Explained. Retrieved December 18, 2020.
- Anubhav, A., Kizhakkinan, D. (2017, February 22). Spear Phishing Techniques Used in Attacks Targeting the Mongolian Government. Retrieved February 24, 2017.
- McCormack, M. (2017, September 15). Backdoor:Win32/Poisonivy.E. Retrieved December 21, 2020.
Связанные риски
Каталоги
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