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SigmaWatch
ATT&CK technique

T1556

Modify Authentication Process

Defense ImpairmentPersistenceCredential Access 81 detections found
View on MITRE ATT&CK →

Detection rules

Source Rule Status Updated
elastic Pluggable Authentication Module (PAM) Version Discovery production 2026-10-09
elastic Potential OpenSSH Backdoor Logging Activity production 2026-10-08
elastic Renaming of OpenSSH Binaries production 2026-10-08
elastic Unusual Process Modifying GenAI Configuration File production 2026-10-06
elastic Entra ID Conditional Access Policy (CAP) Modified production 2026-10-06
elastic Anthropic Magic Link Second Factor Disabled production 2026-09-25
elastic Anthropic SSO Disabled or Connection Removed production 2026-09-25
elastic Untrusted DLL Loaded by Azure AD Connect Authentication Agent production 2026-09-18
elastic AWS IAM Roles Anywhere Trust Anchor Created with External CA production 2026-09-18
elastic AWS RDS DB Instance Made Public production 2026-09-18
elastic AWS STS AssumeRole with New MFA Device production 2026-09-18
elastic Entra ID Conditional Access MFA Bypass with Unusual User, Client and Source ASN production 2026-09-18
elastic Entra ID Protection - Risk Detection - Sign-in Risk production 2026-09-18
elastic Entra ID Protection - Risk Detection - User Risk production 2026-09-18
elastic Entra ID User Sign-in with Unusual Authentication Type production 2026-09-18
elastic Entra ID MFA Disabled for User production 2026-09-18
elastic Entra ID OAuth Application Redirect URI Modified production 2026-09-18
elastic Entra ID External Authentication Methods (EAM) Modified production 2026-09-18
elastic Entra ID Domain Federation Configuration Change production 2026-09-18
elastic Potential Persistence via File Modification production 2026-09-18
elastic Google Workspace MFA Enforcement Disabled For Organization production 2026-09-18
elastic Google Workspace 2SV Policy Disabled By User production 2026-09-18
elastic Attempt to Deactivate an Okta Policy production 2026-09-18
elastic Attempt to Deactivate an Okta Policy Rule production 2026-09-18
elastic Attempt to Delete an Okta Policy production 2026-09-18
elastic Attempt to Modify an Okta Policy production 2026-09-18
elastic Attempt to Reset MFA Factors for an Okta User Account production 2026-09-18
elastic MFA Deactivation with no Re-Activation for Okta User Account production 2026-09-18
elastic New Okta Identity Provider (IdP) Added by Admin production 2026-09-18
elastic Modification or Removal of an Okta Application Sign-On Policy production 2026-09-18
elastic Stolen Credentials Used to Login to Okta Account After MFA Reset production 2026-09-18
elastic Potential SSH Password Grabbing via strace production 2026-09-18
elastic Pluggable Authentication Module or Configuration Creation production 2026-09-18
elastic Pluggable Authentication Module (PAM) Creation in Unusual Directory production 2026-09-18
elastic Potential Backdoor Execution Through PAM_EXEC production 2026-09-18
elastic Pluggable Authentication Module (PAM) Source Download production 2026-09-18
elastic Polkit Policy Creation production 2026-09-18
elastic Potential Execution via SSH Backdoor production 2026-09-18
elastic Authentication via Unusual PAM Grantor production 2026-09-18
elastic Authorization Plugin Modification production 2026-09-18
elastic Mimikatz Memssp Log File Detected production 2026-09-18
elastic Network Logon Provider Registry Modification production 2026-09-18
elastic Potential Shadow Credentials added to AD Object production 2026-09-18
elastic AWS IAM Account Password Policy Deleted production 2026-09-18
elastic AWS IAM Deactivation of MFA Device production 2026-09-18
elastic AWS IAM Virtual MFA Device Registration Attempt with Session Token production 2026-09-18
elastic MFA Disabled for Google Workspace Organization deprecated 2026-08-21
splunk Cisco Network Interface Modifications production 2026-05-13
splunk Disabling Windows Local Security Authority Defences via Registry production 2026-05-13
splunk O365 Disable MFA production 2026-05-13
splunk Okta Phishing Detection with FastPass Origin Check experimental 2026-05-13
splunk O365 Excessive SSO logon errors production 2026-05-13
splunk Cisco Duo Admin Login Unusual Browser production 2026-05-13
splunk Cisco Duo Admin Login Unusual Country production 2026-05-13
splunk Cisco Duo Admin Login Unusual Os production 2026-05-13
splunk Cisco Duo Bulk Policy Deletion production 2026-05-13
splunk Cisco Duo Bypass Code Generation production 2026-05-13
splunk Cisco Duo Policy Allow Devices Without Screen Lock production 2026-05-13
splunk Cisco Duo Policy Allow Network Bypass 2FA production 2026-05-13
splunk Cisco Duo Policy Allow Old Flash production 2026-05-13
splunk Cisco Duo Policy Allow Old Java production 2026-05-13
splunk Cisco Duo Policy Allow Tampered Devices production 2026-05-13
splunk Cisco Duo Policy Bypass 2FA production 2026-05-13
splunk Cisco Duo Policy Deny Access production 2026-05-13
splunk Cisco Duo Policy Skip 2FA for Other Countries production 2026-05-13
splunk Cisco Duo Set User Status to Bypass 2FA production 2026-05-13
sigma Disabled MFA to Bypass Authentication Mechanisms test 2026-04-30
elastic Deprecated - Modification of Standard Authentication Module or Configuration deprecated 2026-02-04
sigma Github High Risk Configuration Disabled test 2024-07-22
sigma Directory Service Restore Mode(DSRM) Registry Value Tampering test 2024-07-11
sigma CA Policy Updated by Non Approved Actor test 2024-05-28
sigma New Root Certificate Authority Added test 2024-03-26
sigma Certificate-Based Authentication Enabled test 2024-03-26
sigma AWS Identity Center Identity Provider Change test 2023-09-27
sigma Change to Authentication Method test 2022-12-25
sigma Possible Shadow Credentials Added test 2022-10-17
sigma User Added To Group With CA Policy Modification Access test 2022-08-04
sigma User Removed From Group With CA Policy Modification Access test 2022-08-04
sigma CA Policy Removed by Non Approved Actor test 2022-07-19
sentinel Excessive number of HTTP authentication failures from a source (ASIM Web Session schema) Scheduled —
sentinel External User Access Enabled Scheduled —