Sigma rule: AWS User Login Profile Was Modified

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-e403046b4785, updated 2024-04-26T00:00:00.000Z.

Rule

Title
AWS User Login Profile Was Modified
Status
test
Level
high
Author
toffeebr33k
Date
2021-08-09
Modified
2024-04-26
File
rules/cloud/aws/cloudtrail/aws_update_login_profile.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects activity when someone is changing passwords on behalf of other users.
An attacker with the "iam:UpdateLoginProfile" permission on other users can change the password used to login to the AWS console on any user that already has a login profile setup.

Log source

product
aws
service
cloudtrail

Detection

selection:
    eventSource: 'iam.amazonaws.com'
    eventName: 'UpdateLoginProfile'
filter_main_user_identity:
    userIdentity.arn|fieldref: requestParameters.userName
condition: selection and not 1 of filter_main_*

False positives (as the rule lists them)

  • Legitimate user account administration

Tags

  • attack.persistence
  • attack.privilege-escalation
  • attack.t1098

MITRE ATT&CK ids this rule names

References

Read on 2026-11-03T00:58:21.399Z under licence sigma-drl-1.1@d5f4c36a from https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/cloud/aws/cloudtrail/aws_update_login_profile.yml

Sources and licences

  • SigmaHQ

    "AWS User Login Profile Was Modified" by toffeebr33k (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/cloud/aws/cloudtrail/aws_update_login_profile.yml.
    Licensed under the Detection Rule License (DRL) 1.1: https://github.com/SigmaHQ/Detection-Rule-License

    Detection Rule License (DRL) 1.1

Cite this page

Dragons Eye Ransomware Tracker, "Sigma rule: AWS User Login Profile Was Modified",
entity page, dataset version ref-e403046b4785, updated 2024-04-26T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/055fb148-60f8-462d-ad16-26926ce050f1 (accessed 2026-11-03).
Underlying source: SigmaHQ rule 055fb148-60f8-462d-ad16-26926ce050f1, commit ccbb0369507f796db0b0ae6854c8a2be471b9d84.

Pages change. The dataset version identifies the data, but no archive of old versions is kept, so this citation cannot be replayed later.