fixes

detections/endpoint/windows_non_system_account_targeting_lsass.yml

@@ -13,9 +13,9 @@ description: The following analytic identifies non SYSTEM accounts requesting ac
 data_source:
 - Sysmon Event ID 1
 search: '`sysmon` EventCode=10 TargetImage=*lsass.exe NOT (SourceUser="NT AUTHORITY\\*")
-  | stats count min(_time) as firstTime max(_time) as lastTime by Computer, TargetImage,
-  GrantedAccess, SourceImage, SourceProcessId, SourceUser, TargetUser, ImageLoaded | rename SourceUser
-  as user | rename Computer as dest | `security_content_ctime(firstTime)`| `security_content_ctime(lastTime)`
+  | stats count min(_time) as firstTime max(_time) as lastTime by dest, parent_process_name, parent_process_path ,parent_process_id, TargetImage,
+  GrantedAccess, SourceUser, TargetUser | rename TargetUser
+  as user | `security_content_ctime(firstTime)`| `security_content_ctime(lastTime)`
   | `windows_non_system_account_targeting_lsass_filter`'
 how_to_implement: To successfully implement this search, you need to be ingesting
   logs with the process name, parent process, and command-line executions from your
@@ -35,7 +35,7 @@ tags:
   asset_type: Endpoint
   confidence: 80
   impact: 80
-  message: A process, $SourceImage$, has loaded $ImageLoaded$ that are typically related
+  message: A process, $parent_process_path$, has loaded $ImageLoaded$ that are typically related
     to credential dumping on $dest$. Review for further details.
   mitre_attack_id:
   - T1003.001
@@ -49,14 +49,10 @@ tags:
     type: Hostname
     role:
     - Victim
-  - name: ImageLoaded
+  - name: parent_process_path
     type: Process
     role:
-    - Other
-  - name: SourceImage
-    type: Process
-    role:
-    - Child Process
+    - Parent Process
   product:
   - Splunk Enterprise
   - Splunk Enterprise Security

detections/endpoint/windows_possible_credential_dumping.yml

@@ -25,14 +25,16 @@ description: 'The following analytic is an enhanced version of two previous anal
   used to execute this module which is related to lsass dumping.'
 data_source:
 - Sysmon Event ID 1
-search: '`sysmon` EventCode=10 TargetImage=*\\lsass.exe GrantedAccess IN ("0x01000",
-  "0x1010", "0x1038", "0x40", "0x1400", "0x1fffff", "0x1410", "0x143a", "0x1438",
-  "0x1000") CallTrace IN ("*dbgcore.dll*", "*dbghelp.dll*", "*ntdll.dll*", "*kernelbase.dll*",
-  "*kernel32.dll*") NOT SourceUser IN ("NT AUTHORITY\\SYSTEM", "NT AUTHORITY\\NETWORK
-  SERVICE")| stats count min(_time) as firstTime max(_time) as lastTime by, Computer,
-  SourceImage, GrantedAccess, TargetImage, SourceProcessId, SourceUser, TargetUser, ImageLoaded
-  | rename Computer as dest | rename SourceUser as user | `security_content_ctime(firstTime)`|`security_content_ctime(lastTime)`
-  | `windows_possible_credential_dumping_filter`'
+search: '`sysmon` EventCode=10 TargetImage=*\\lsass.exe granted_access IN ("0x01000",
+    "0x1010", "0x1038", "0x40", "0x1400", "0x1fffff", "0x1410", "0x143a", "0x1438",
+    "0x1000") CallTrace IN ("*dbgcore.dll*", "*dbghelp.dll*", "*ntdll.dll*", "*kernelbase.dll*",
+    "*kernel32.dll*") NOT SourceUser IN ("NT AUTHORITY\\SYSTEM", "NT AUTHORITY\\NETWORK
+  SERVICE") 
+| stats count min(_time) as firstTime max(_time) as lastTime by dest, SourceImage, GrantedAccess, TargetImage, SourceProcessId, SourceUser, TargetUser 
+| rename SourceUser as user 
+| `security_content_ctime(firstTime)` 
+| `security_content_ctime(lastTime)` 
+| `windows_possible_credential_dumping_filter`'
 how_to_implement: To successfully implement this search, you need to be ingesting
   logs with the process name, parent process, and command-line executions from your
   endpoints. If you are using Sysmon, you must have at least version 6.0.4 of the
@@ -57,7 +59,7 @@ tags:
   asset_type: Endpoint
   confidence: 80
   impact: 80
-  message: A process, $SourceImage$, has loaded $ImageLoaded$ that are typically related
+  message: A process, $SourceImage$, has loaded $TargetImage$ that are typically related
     to credential dumping on $dest$. Review for further details.
   mitre_attack_id:
   - T1003.001
@@ -71,10 +73,6 @@ tags:
     type: Hostname
     role:
     - Victim
-  - name: ImageLoaded
-    type: Process
-    role:
-    - Other
   - name: SourceImage
     type: Process
     role:

detections/endpoint/windows_process_injection_into_notepad.yml

@@ -10,7 +10,7 @@ data_source:
 description: The following analytic utilizes Sysmon to identify process injection into Notepad.exe, based on GrantedAccess requests - 0x40 and 0x1fffff. This particular behavior is attributed to the defaults of the SliverC2 framework by BishopFox. 
   By default, the analytic filters out any SourceImage paths of System32, Syswow64 and program files. Add more as needed, or remove and monitor what is consistently injecting into notepad.exe. 
   This particular behavior will occur from a source image that is the initial payload dropped. 
-search: '`sysmon` EventCode=10 TargetImage IN (*\\notepad.exe) NOT (SourceImage IN ("*\\system32\\*","*\\syswow64\\*","*\\Program Files\\*")) GrantedAccess IN ("0x40","0x1fffff") | stats count min(_time) as firstTime max(_time) as lastTime by dest user SourceImage TargetImage GrantedAccess CallTrace
+search: '`sysmon` EventCode=10 TargetImage IN (*\\notepad.exe) NOT (SourceImage IN ("*\\system32\\*","*\\syswow64\\*","*\\Program Files\\*")) GrantedAccess IN ("0x40","0x1fffff") | stats count min(_time) as firstTime max(_time) as lastTime by dest SourceImage TargetImage GrantedAccess CallTrace
   | `security_content_ctime(firstTime)`
   | `security_content_ctime(lastTime)` | `windows_process_injection_into_notepad_filter`'
 how_to_implement: To successfully implement this search, you need to be ingesting
@@ -32,10 +32,6 @@ tags:
   - T1055
   - T1055.002
   observable:
-  - name: user
-    type: User
-    role:
-    - Victim
   - name: dest
     type: Hostname
     role:

detections/endpoint/windows_raw_access_to_disk_volume_partition.yml

@@ -14,8 +14,7 @@ data_source:
 - Sysmon Event ID 9
 search: '`sysmon` EventCode=9 Device = \\Device\\HarddiskVolume* NOT (Image IN("*\\Windows\\System32\\*",
   "*\\Windows\\SysWOW64\\*")) | stats count min(_time) as firstTime max(_time) as
-  lastTime by dest user Image Device ProcessGuid ProcessId EventDescription EventCode
-  | `security_content_ctime(firstTime)` | `security_content_ctime(lastTime)` | `windows_raw_access_to_disk_volume_partition_filter`'
+  lastTime by dest signature signature_id process_guid process_name process_path Device | `security_content_ctime(firstTime)` | `security_content_ctime(lastTime)` | `windows_raw_access_to_disk_volume_partition_filter`'
 how_to_implement: To successfully implement this search, you need to be ingesting
   logs with the raw access read event (like sysmon eventcode 9), process name and
   process guid from your endpoints. If you are using Sysmon, you must have at least
@@ -51,13 +50,15 @@ tags:
   - Splunk Cloud
   required_fields:
   - _time
-  - Computer
-  - Image
+  - dest 
+  - signature
+  - signature_id
+  - process_guid
+  - process_name
+  - process_path 
   - Device
-  - ProcessGuid
-  - ProcessId
-  - EventDescription
   - EventCode
+  - Image
   risk_score: 90
   security_domain: endpoint
 tests: