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[Rule Tuning] AWS IAM Deactivation of MFA Device #1132

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merged 7 commits into from
Apr 23, 2021
Merged

[Rule Tuning] AWS IAM Deactivation of MFA Device #1132

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13b7a2c
Update impact_iam_deactivate_mfa_device.toml
austinsonger Apr 20, 2021
da7d230
Update impact_iam_deactivate_mfa_device.toml
austinsonger Apr 20, 2021
b57fd60
Update discovery_post_exploitation_external_ip_lookup.toml
austinsonger Apr 21, 2021
b0bddce
Merge branch 'main' into main
austinsonger Apr 22, 2021
178baaf
Merge branch 'main' into main
austinsonger Apr 22, 2021
475a132
Update rules/aws/impact_iam_deactivate_mfa_device.toml
austinsonger Apr 22, 2021
ef40cc2
Revert "Update discovery_post_exploitation_external_ip_lookup.toml"
austinsonger Apr 22, 2021
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7 changes: 3 additions & 4 deletions rules/aws/impact_iam_deactivate_mfa_device.toml
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Original file line number Diff line number Diff line change
@@ -1,10 +1,10 @@
[metadata]
creation_date = "2020/05/26"
maturity = "production"
updated_date = "2021/03/22"
updated_date = "2021/04/20"

[rule]
author = ["Elastic"]
author = ["Elastic", "Austin Songer"]
description = """
Identifies the deactivation of a specified multi-factor authentication (MFA) device and removes it from association with
the user name for which it was originally enabled. In AWS Identity and Access Management (IAM), a device must be
Expand Down Expand Up @@ -36,7 +36,7 @@ timestamp_override = "event.ingested"
type = "query"

query = '''
event.dataset:aws.cloudtrail and event.provider:iam.amazonaws.com and event.action:DeactivateMFADevice and event.outcome:success
event.dataset:aws.cloudtrail and event.provider:iam.amazonaws.com and event.action:(DeactivateMFADevice or DeleteVirtualMFADevice) and event.outcome:success
'''


Expand All @@ -52,4 +52,3 @@ reference = "https://attack.mitre.org/techniques/T1531/"
id = "TA0040"
name = "Impact"
reference = "https://attack.mitre.org/tactics/TA0040/"