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10.5k
T1556
platform
IaaS
attack
string
T1556
platform
Identity Provider
attack
string
T1556
platform
Linux
attack
string
T1556
platform
macOS
attack
string
T1556
platform
Network Devices
attack
string
T1556
platform
Office Suite
attack
string
T1556
platform
SaaS
attack
string
T1556
platform
Windows
attack
string
T1556
rdf:type
Technique
attack
enum
{"version":"3.0"}
T1556
url
https://attack.mitre.org/techniques/T1556
attack
url
T1556.001
belongs-to-tactic
TA0112
attack
id
T1556.001
belongs-to-tactic
TA0003
attack
id
T1556.001
belongs-to-tactic
TA0006
attack
id
T1556.001
created
2020-02-11 19:05:02.399000+00:00
attack
date
T1556.001
description
Adversaries may patch the authentication process on a domain controller to bypass the typical authentication mechanisms and enable access to accounts. Malware may be used to inject false credentials into the authentication process on a domain controller with the intent of creating a backdoor used to access any user’s...
attack
string
T1556.001
domain
enterprise-attack
attack
string
T1556.001
is-subtechnique
true
attack
boolean
T1556.001
modified
2026-05-12 15:12:00.717000+00:00
attack
date
T1556.001
name
Domain Controller Authentication
attack
string
T1556.001
platform
Windows
attack
string
T1556.001
rdf:type
Technique
attack
enum
{"version":"3.0","external_references":[{"url":"https://www.secureworks.com/research/skeleton-key-malware-analysis","source_name":"Dell Skeleton","description":"Dell SecureWorks. (2015, January 12). Skeleton Key Malware Analysis. Retrieved April 8, 2019."}]}
T1556.001
subtechnique-of
T1556
attack
id
T1556.001
url
https://attack.mitre.org/techniques/T1556/001
attack
url
T1556.002
belongs-to-tactic
TA0112
attack
id
T1556.002
belongs-to-tactic
TA0003
attack
id
T1556.002
belongs-to-tactic
TA0006
attack
id
T1556.002
created
2020-02-11 19:05:45.829000+00:00
attack
date
T1556.002
description
Adversaries may register malicious password filter dynamic link libraries (DLLs) into the authentication process to acquire user credentials as they are validated. Windows password filters are password policy enforcement mechanisms for both domain and local accounts. Filters are implemented as DLLs containing a metho...
attack
string
T1556.002
domain
enterprise-attack
attack
string
T1556.002
is-subtechnique
true
attack
boolean
T1556.002
modified
2026-05-12 15:12:00.626000+00:00
attack
date
T1556.002
name
Password Filter DLL
attack
string
T1556.002
platform
Windows
attack
string
T1556.002
rdf:type
Technique
attack
enum
{"version":"3.0","external_references":[{"url":"http://carnal0wnage.attackresearch.com/2013/09/stealing-passwords-every-time-they.html","source_name":"Carnal Ownage Password Filters Sept 2013","description":"Fuller, R. (2013, September 11). Stealing passwords every time they change. Retrieved November 21, 2017."}]}
T1556.002
subtechnique-of
T1556
attack
id
T1556.002
url
https://attack.mitre.org/techniques/T1556/002
attack
url
T1556.003
belongs-to-tactic
TA0112
attack
id
T1556.003
belongs-to-tactic
TA0003
attack
id
T1556.003
belongs-to-tactic
TA0006
attack
id
T1556.003
created
2020-06-26 04:01:09.648000+00:00
attack
date
T1556.003
description
Adversaries may modify pluggable authentication modules (PAM) to access user credentials or enable otherwise unwarranted access to accounts. PAM is a modular system of configuration files, libraries, and executable files which guide authentication for many services. The most common authentication module is <code>pam_un...
attack
string
T1556.003
domain
enterprise-attack
attack
string
T1556.003
is-subtechnique
true
attack
boolean
T1556.003
modified
2026-05-12 15:12:00.620000+00:00
attack
date
T1556.003
name
Pluggable Authentication Modules
attack
string
T1556.003
platform
Linux
attack
string
T1556.003
platform
macOS
attack
string
T1556.003
rdf:type
Technique
attack
enum
{"version":"3.0","external_references":[{"url":"https://opensource.apple.com/source/dovecot/dovecot-239/dovecot/doc/wiki/PasswordDatabase.PAM.txt","source_name":"Apple PAM","description":"Apple. (2011, May 11). PAM - Pluggable Authentication Modules. Retrieved June 25, 2020."},{"url":"https://linux.die.net/man/8/pam_un...
T1556.003
subtechnique-of
T1556
attack
id
T1556.003
url
https://attack.mitre.org/techniques/T1556/003
attack
url
T1556.004
belongs-to-tactic
TA0112
attack
id
T1556.004
belongs-to-tactic
TA0003
attack
id
T1556.004
belongs-to-tactic
TA0006
attack
id
T1556.004
created
2020-10-19 17:58:04.155000+00:00
attack
date
T1556.004
description
Adversaries may use [Patch System Image](https://attack.mitre.org/techniques/T1601/001) to hard code a password in the operating system, thus bypassing of native authentication mechanisms for local accounts on network devices. [Modify System Image](https://attack.mitre.org/techniques/T1601) may include implanted code ...
attack
string
T1556.004
domain
enterprise-attack
attack
string
T1556.004
is-subtechnique
true
attack
boolean
T1556.004
modified
2026-05-12 15:12:00.726000+00:00
attack
date
T1556.004
name
Network Device Authentication
attack
string
T1556.004
platform
Network Devices
attack
string
T1556.004
rdf:type
Technique
attack
enum
{"version":"3.0","external_references":[{"url":"https://cloud.google.com/blog/topics/threat-intelligence/synful-knock-acis/","source_name":"Mandiant - Synful Knock","description":"Bill Hau, Tony Lee, Josh Homan. (2015, September 15). SYNful Knock - A Cisco router implant - Part I. Retrieved November 17, 2024."}]}
T1556.004
subtechnique-of
T1556
attack
id
T1556.004
url
https://attack.mitre.org/techniques/T1556/004
attack
url
T1556.005
belongs-to-tactic
TA0112
attack
id
T1556.005
belongs-to-tactic
TA0003
attack
id
T1556.005
belongs-to-tactic
TA0006
attack
id
T1556.005
created
2022-01-13 20:02:28.349000+00:00
attack
date
T1556.005
description
An adversary may abuse Active Directory authentication encryption properties to gain access to credentials on Windows systems. The <code>AllowReversiblePasswordEncryption</code> property specifies whether reversible password encryption for an account is enabled or disabled. By default this property is disabled (instead...
attack
string
T1556.005
domain
enterprise-attack
attack
string
T1556.005
is-subtechnique
true
attack
boolean
T1556.005
modified
2026-05-12 15:12:00.718000+00:00
attack
date
T1556.005
name
Reversible Encryption
attack
string
T1556.005
platform
Windows
attack
string
T1556.005
rdf:type
Technique
attack
enum
{"version":"2.0","external_references":[{"url":"https://adsecurity.org/?p=2053","source_name":"dump_pwd_dcsync","description":"Metcalf, S. (2015, November 22). Dump Clear-Text Passwords for All Admins in the Domain Using Mimikatz DCSync. Retrieved November 15, 2021."},{"url":"https://docs.microsoft.com/en-us/windows/se...
T1556.005
subtechnique-of
T1556
attack
id
T1556.005
url
https://attack.mitre.org/techniques/T1556/005
attack
url
T1556.006
belongs-to-tactic
TA0112
attack
id
T1556.006
belongs-to-tactic
TA0003
attack
id
T1556.006
belongs-to-tactic
TA0006
attack
id
T1556.006
created
2022-05-31 19:31:38.431000+00:00
attack
date
T1556.006
description
Adversaries may disable or modify multi-factor authentication (MFA) mechanisms to enable persistent access to compromised accounts. Once adversaries have gained access to a network by either compromising an account lacking MFA or by employing an MFA bypass method such as [Multi-Factor Authentication Request Generation...
attack
string
T1556.006
domain
enterprise-attack
attack
string
T1556.006
is-subtechnique
true
attack
boolean
T1556.006
modified
2026-05-12 15:12:00.708000+00:00
attack
date
T1556.006
name
Multi-Factor Authentication
attack
string
T1556.006
platform
IaaS
attack
string
T1556.006
platform
Identity Provider
attack
string
T1556.006
platform
Linux
attack
string
T1556.006
platform
macOS
attack
string
T1556.006
platform
Office Suite
attack
string
T1556.006
platform
SaaS
attack
string
T1556.006
platform
Windows
attack
string
T1556.006
rdf:type
Technique
attack
enum
{"version":"2.0","external_references":[{"url":"https://www.cisa.gov/uscert/ncas/alerts/aa22-074a","source_name":"Russians Exploit Default MFA Protocol - CISA March 2022","description":"Cyber Security Infrastructure Agency. (2022, March 15). Russian State-Sponsored Cyber Actors Gain Network Access by Exploiting Default...
T1556.006
subtechnique-of
T1556
attack
id
T1556.006
url
https://attack.mitre.org/techniques/T1556/006
attack
url
T1556.007
belongs-to-tactic
TA0112
attack
id
T1556.007
belongs-to-tactic
TA0003
attack
id
T1556.007
belongs-to-tactic
TA0006
attack
id
T1556.007
created
2022-09-28 13:29:53.354000+00:00
attack
date
T1556.007
description
Adversaries may patch, modify, or otherwise backdoor cloud authentication processes that are tied to on-premises user identities in order to bypass typical authentication mechanisms, access credentials, and enable persistent access to accounts. Many organizations maintain hybrid user and device identities that are s...
attack
string