↳ GitHub sourceAnalytics ruleHigh

Red Sift - MFA disabled on account

Description

This query searches for authentication events where MFA has been disabled on an account, which may indicate account takeover activity, weakened account protections, or unauthorized administrative changes.

Rule type: Scheduled
Version: 1.0.0
Declared status: Available
Query frequency: 1h
Query period: 1h
Trigger: gt 0

Declared MITRE coverage

DefenseEvasion T1556

Declared sources

Metadata from the source file. No dependencies inferred from KQL.

Connectors

RedSiftPush

Data types

RedSiftAuth_CL

KQL query

Original query, unchanged.

RedSiftAuth_CL
| extend
    ActivityName = tostring(column_ifexists("ActivityName", "")),
    UserEmail = tostring(column_ifexists("UserEmail", "")),
    ActorUserEmail = tostring(column_ifexists("ActorUserEmail", "")),
    SrcIp = tostring(column_ifexists("SrcIp", "")),
    HttpUserAgent = tostring(column_ifexists("HttpUserAgent", "")),
    ServiceName = tostring(column_ifexists("ServiceName", "")),
    Severity = tostring(column_ifexists("Severity", "")),
    UserUid = tostring(column_ifexists("UserUid", "")),
    ActorUserUid = tostring(column_ifexists("ActorUserUid", ""))
| where ActivityName =~ "MFA Disabled"
| where isnotempty(UserEmail) or isnotempty(ActorUserEmail)
| extend TargetAccount = iff(isnotempty(UserEmail), UserEmail, ActorUserEmail)
| project
    TimeGenerated,
    TargetAccount,
    UserEmail,
    ActorUserEmail,
    SrcIp,
    HttpUserAgent,
    ServiceName,
    ActivityName,
    Severity,
    UserUid,
    ActorUserUid

Declared entities

AccountIP

Source provenance

GitHub

Displayed values come from files in Azure/Azure-Sentinel. They describe the published template, not your workspace configuration.

File: Solutions/Red Sift/Analytic Rules/RedSiftMFADisabled.yaml ↗
Commit: 9800e51 ↗
Source identifier: 16f26d2c-6296-490b-af4f-b30bcf1c4461

Additional source files 2

Solutions/Red Sift/Analytic Rules/RedSiftMFADisabled.yamlsource ↗Solutions/Red Sift/Data/Solution_RedSift.jsonsolution-membership ↗

GSTEP / CATALOG TRACKING

Added to catalog : 16 Sept 2026 · 05:49 UTC
Last change observed : 16 Sept 2026 · 05:49 UTC

GSTEP sync dates, separate from the source content’s publication dates.