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MITRE ATT&CK - Техника Кэшированные доменные учетные данные
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MITRE ATT&CK
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MITRE ATT&CK
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Кэшированные доменные учетные...
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OS Credential Dumping:  Кэшированные доменные учетные данные

ID Название
.001 Память процесса LSASS
.002 Диспетчер учетных записей безопасности
.003 Файл ntds.dit
.004 Секреты LSA
.005 Кэшированные доменные учетные данные
.006 DCSync
.007 Файловая система proc
.008 Содержимое файлов /etc/passwd и /etc/shadow

Adversaries may attempt to access cached domain credentials used to allow authentication to occur in the event a domain controller is unavailable.(Citation: Microsoft - Cached Creds) On Windows Vista and newer, the hash format is DCC2 (Domain Cached Credentials version 2) hash, also known as MS-Cache v2 hash.(Citation: PassLib mscache) The number of default cached credentials varies and can be altered per system. This hash does not allow pass-the-hash style attacks, and instead requires Password Cracking to recover the plaintext password.(Citation: ired mscache) With SYSTEM access, the tools/utilities such as Mimikatz, Reg, and secretsdump.py can be used to extract the cached credentials. Note: Cached credentials for Windows Vista are derived using PBKDF2.(Citation: PassLib mscache)

ID: T1003.005
Относится к технике:  T1003
Тактика(-и): Credential Access
Платформы: Windows
Требуемые разрешения: SYSTEM
Источники данных: Command: Command Execution
Версия: 1.0
Дата создания: 21 Feb 2020
Последнее изменение: 24 Mar 2020

Примеры процедур
Название Описание
Okrum

Okrum was seen using modified Quarks PwDump to perform credential dumping.(Citation: ESET Okrum July 2019)
APT33

APT33 has used a variety of publicly available tools like LaZagne to gather credentials.(Citation: Symantec Elfin Mar 2019)(Citation: FireEye APT33 Guardrail)
Leafminer

Leafminer used several tools for retrieving login and password information, including LaZagne.(Citation: Symantec Leafminer July 2018)
Cachedump

Cachedump can extract cached password hashes from cache entry information.(Citation: Mandiant APT1)
LaZagne

LaZagne can perform credential dumping from MSCache to obtain account and password information.(Citation: GitHub LaZagne Dec 2018)
OilRig

OilRig has used credential dumping tools such as LaZagne to steal credentials to accounts logged into the compromised system and to Outlook Web Access.(Citation: Unit 42 Playbook Dec 2017)(Citation: FireEye APT34 Webinar Dec 2017)(Citation: FireEye APT35 2018)(Citation: FireEye APT34 July 2019)
Pupy

Pupy can use Lazagne for harvesting credentials.(Citation: GitHub Pupy)
MuddyWater

MuddyWater has performed credential dumping with LaZagne.(Citation: Unit 42 MuddyWater Nov 2017)(Citation: Symantec MuddyWater Dec 2018)

Контрмеры
Контрмера Описание
Active Directory Configuration

Configure Active Directory to prevent use of certain techniques; use SID Filtering, etc.
User Training

Train users to be aware of access or manipulation attempts by an adversary to reduce the risk of successful spearphishing, social engineering, and other techniques that involve user interaction.
Password Policies

Set and enforce secure password policies for accounts.
Operating System Configuration

Make configuration changes related to the operating system or a common feature of the operating system that result in system hardening against techniques.
Privileged Account Management

Manage the creation, modification, use, and permissions associated to privileged accounts, including SYSTEM and root.

Обнаружение

Monitor processes and command-line arguments for program execution that may be indicative of credential dumping. Remote access tools may contain built-in features or incorporate existing tools like Mimikatz. PowerShell scripts also exist that contain credential dumping functionality, such as PowerSploit's Invoke-Mimikatz module,(Citation: Powersploit) which may require additional logging features to be configured in the operating system to collect necessary information for analysis. Detection of compromised Valid Accounts in-use by adversaries may help as well.

Ссылки

  1. PowerSploit. (n.d.). Retrieved December 4, 2014.
  2. Mantvydas Baranauskas. (2019, November 16). Dumping and Cracking mscash - Cached Domain Credentials. Retrieved February 21, 2020.
  3. Eli Collins. (2016, November 25). Windows' Domain Cached Credentials v2. Retrieved February 21, 2020.
  4. Microsfot. (2016, August 21). Cached and Stored Credentials Technical Overview. Retrieved February 21, 2020.
  5. Symantec Security Response. (2018, July 25). Leafminer: New Espionage Campaigns Targeting Middle Eastern Regions. Retrieved August 28, 2018.
  6. Hromcova, Z. (2019, July). OKRUM AND KETRICAN: AN OVERVIEW OF RECENT KE3CHANG GROUP ACTIVITY. Retrieved May 6, 2020.
  7. Zanni, A. (n.d.). The LaZagne Project !!!. Retrieved December 14, 2018.
  8. Mandiant. (n.d.). APT1 Exposing One of China’s Cyber Espionage Units. Retrieved July 18, 2016.
  9. Microsoft. (2016, October 12). Protected Users Security Group. Retrieved May 29, 2020.
  10. Chad Tilbury. (2017, August 8). 1Windows Credentials: Attack, Mitigation, Defense. Retrieved February 21, 2020.
  11. Ackerman, G., et al. (2018, December 21). OVERRULED: Containing a Potentially Destructive Adversary. Retrieved January 17, 2019.
  12. Security Response attack Investigation Team. (2019, March 27). Elfin: Relentless Espionage Group Targets Multiple Organizations in Saudi Arabia and U.S.. Retrieved April 10, 2019.
  13. Nicolas Verdier. (n.d.). Retrieved January 29, 2018.
  14. Symantec DeepSight Adversary Intelligence Team. (2018, December 10). Seedworm: Group Compromises Government Agencies, Oil & Gas, NGOs, Telecoms, and IT Firms. Retrieved December 14, 2018.
  15. Lancaster, T.. (2017, November 14). Muddying the Water: Targeted Attacks in the Middle East. Retrieved March 15, 2018.
  16. Bromiley, M., et al.. (2019, July 18). Hard Pass: Declining APT34’s Invite to Join Their Professional Network. Retrieved August 26, 2019.
  17. Mandiant. (2018). Mandiant M-Trends 2018. Retrieved July 9, 2018.
  18. Davis, S. and Caban, D. (2017, December 19). APT34 - New Targeted Attack in the Middle East. Retrieved December 20, 2017.
  19. Unit 42. (2017, December 15). Unit 42 Playbook Viewer. Retrieved December 20, 2017.
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