Merge pull request #1720 from frack113/redcanary_t1411_001

[OSCD] powershell_suspicious_mail_acces.yml T1114.001

rules/windows/powershell/powershell_suspicious_mail_acces.yml

@@ -0,0 +1,27 @@
+title: Powershell Local Email Collection
+id: 2837e152-93c8-43d2-85ba-c3cd3c2ae614
+status: experimental
+author: frack113
+date: 2021/07/21
+description: Adversaries may target user email on local systems to collect sensitive information. Files containing email data can be acquired from a user’s local system, such as Outlook storage or cache files. 
+references:
+    - https://github.com/redcanaryco/atomic-red-team/blob/master/atomics/T1114.001/T1114.001.md
+tags:
+    - attack.collection
+    - attack.t1114.001
+logsource:
+    product: windows
+    service: powershell
+    description: EnableScriptBlockLogging must be set to enable
+detection:
+    selection:
+        EventID: 4104
+        ScriptBlockText|contains:
+            - 'Get-Inbox.ps1'
+            - 'Microsoft.Office.Interop.Outlook'
+            - 'Microsoft.Office.Interop.Outlook.olDefaultFolders'
+            - '-comobject outlook.application'
+    condition: selection 
+falsepositives:
+    - Unknown
+level: medium