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Issue 11296 Fixes - AWS Rule #11415

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Merged
v-prasadboke merged 3 commits into from
Nov 15, 2024
Merged

Issue 11296 Fixes - AWS Rule #11415

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dcbc07d
adding fixes per Issue
ashwin-patil Nov 12, 2024
70ebd9f
Solution packaged
v-prasadboke Nov 13, 2024
1008423
Merge branch 'master' into ashwin/schemabug-fixes
v-prasadboke Nov 15, 2024
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6 changes: 3 additions & 3 deletions Solutions/Amazon Web Services/Analytic Rules/AWS_OverlyPermessiveKMS.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -17,13 +17,13 @@ tactics:
relevantTechniques:
- T1486
query: |
let kmsActions = dynamic(["kms:Encrypt", "kms:*"]);
let kmsActions = dynamic(["kms:Encrypt", "kms:*"]); //Add other overly permissive APIs to this list.
AWSCloudTrail
| where EventName in ("CreateKey","PutKeyPolicy") and isempty(ErrorCode) and isempty(ErrorMessage)
| extend Statement = parse_json(tostring((parse_json(RequestParameters).policy))).Statement
| mvexpand Statement
| extend Action = tostring(parse_json(Statement).Action), Effect = tostring(parse_json(Statement).Effect), Principal = iff(isnotempty(tostring(parse_json(Statement).Principal.AWS)),tostring(parse_json(Statement).Principal.AWS), tostring(parse_json(Statement).Principal))
| where Effect =~ "Allow" and Action has_any (kmsActions) and Principal == "*"
| where Effect =~ "Allow" and Action has_any (kmsActions) and Principal == "*"
| extend UserIdentityArn = iif(isempty(UserIdentityArn), tostring(parse_json(Resources)[0].ARN), UserIdentityArn)
| extend UserName = tostring(split(UserIdentityArn, '/')[-1])
| extend AccountName = case( UserIdentityPrincipalid == "Anonymous", "Anonymous", isempty(UserIdentityUserName), UserName, UserIdentityUserName)
Expand All @@ -43,5 +43,5 @@ entityMappings:
fieldMappings:
- identifier: Address
columnName: SourceIpAddress
version: 1.0.3
version: 1.0.4
kind: Scheduled
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