Added Sigma Rules

2021-11-14 11:00:56 +09:00
parent ac3ea7b20b
commit 50aebce32e
1078 changed files with 45490 additions and 0 deletions
@@ -0,0 +1,102 @@
+title: Suspicious PowerShell Parent Process
+author: Teymur Kheirkhabarov, Harish Segar (rule)
+date: 2020/03/20
+description: Detects a suspicious parents of powershell.exe
+detection:
+    SELECTION_1:
+        EventID: 1
+    SELECTION_10:
+        ParentImage: '*\msaccess.exe'
+    SELECTION_11:
+        ParentImage: '*\mspub.exe'
+    SELECTION_12:
+        ParentImage: '*\visio.exe'
+    SELECTION_13:
+        ParentImage: '*\outlook.exe'
+    SELECTION_14:
+        ParentImage: '*\amigo.exe'
+    SELECTION_15:
+        ParentImage: '*\chrome.exe'
+    SELECTION_16:
+        ParentImage: '*\firefox.exe'
+    SELECTION_17:
+        ParentImage: '*\iexplore.exe'
+    SELECTION_18:
+        ParentImage: '*\microsoftedgecp.exe'
+    SELECTION_19:
+        ParentImage: '*\microsoftedge.exe'
+    SELECTION_2:
+        ParentImage: '*\mshta.exe'
+    SELECTION_20:
+        ParentImage: '*\browser.exe'
+    SELECTION_21:
+        ParentImage: '*\vivaldi.exe'
+    SELECTION_22:
+        ParentImage: '*\safari.exe'
+    SELECTION_23:
+        ParentImage: '*\sqlagent.exe'
+    SELECTION_24:
+        ParentImage: '*\sqlserver.exe'
+    SELECTION_25:
+        ParentImage: '*\sqlservr.exe'
+    SELECTION_26:
+        ParentImage: '*\w3wp.exe'
+    SELECTION_27:
+        ParentImage: '*\httpd.exe'
+    SELECTION_28:
+        ParentImage: '*\nginx.exe'
+    SELECTION_29:
+        ParentImage: '*\php-cgi.exe'
+    SELECTION_3:
+        ParentImage: '*\rundll32.exe'
+    SELECTION_30:
+        ParentImage: '*\jbosssvc.exe'
+    SELECTION_31:
+        ParentImage: '*MicrosoftEdgeSH.exe'
+    SELECTION_32:
+        ParentImage: '*tomcat*'
+    SELECTION_33:
+        CommandLine: '*powershell*'
+    SELECTION_34:
+        CommandLine: '*pwsh*'
+    SELECTION_35:
+        Description: Windows PowerShell
+    SELECTION_36:
+        Product: PowerShell Core 6
+    SELECTION_4:
+        ParentImage: '*\regsvr32.exe'
+    SELECTION_5:
+        ParentImage: '*\services.exe'
+    SELECTION_6:
+        ParentImage: '*\winword.exe'
+    SELECTION_7:
+        ParentImage: '*\wmiprvse.exe'
+    SELECTION_8:
+        ParentImage: '*\powerpnt.exe'
+    SELECTION_9:
+        ParentImage: '*\excel.exe'
+    condition: (SELECTION_1 and ((SELECTION_2 or SELECTION_3 or SELECTION_4 or SELECTION_5
+        or SELECTION_6 or SELECTION_7 or SELECTION_8 or SELECTION_9 or SELECTION_10
+        or SELECTION_11 or SELECTION_12 or SELECTION_13 or SELECTION_14 or SELECTION_15
+        or SELECTION_16 or SELECTION_17 or SELECTION_18 or SELECTION_19 or SELECTION_20
+        or SELECTION_21 or SELECTION_22 or SELECTION_23 or SELECTION_24 or SELECTION_25
+        or SELECTION_26 or SELECTION_27 or SELECTION_28 or SELECTION_29 or SELECTION_30
+        or SELECTION_31) or SELECTION_32) and ((SELECTION_33 or SELECTION_34) or SELECTION_35
+        or SELECTION_36))
+falsepositives:
+- Other scripts
+id: 754ed792-634f-40ae-b3bc-e0448d33f695
+level: high
+logsource:
+    category: process_creation
+    product: windows
+references:
+- https://speakerdeck.com/heirhabarov/hunting-for-powershell-abuse?slide=26
+status: experimental
+tags:
+- attack.execution
+- attack.t1059.001
+- attack.t1086
+yml_filename: win_susp_powershell_parent_process.yml
+yml_path: /Users/user/Documents/YamatoSecurity/sigma/rules/windows/process_creation
+