Updating detections

This commit is contained in:
dluxtron
2024-07-02 12:22:07 +10:00
parent 949d7e6b09
commit 43e4625ef9
2 changed files with 10 additions and 2 deletions
@@ -18,7 +18,7 @@ description: The following analytic detects modifications to the default Group P
search: ' `admon` admonEventType=Update objectCategory="CN=Group-Policy-Container,CN=Schema,CN=Configuration,DC=*" (displayName="Default Domain Policy" OR displayName="Default Domain Controllers Policy")
| appendpipe [
| map search="search `wineventlog_security` EventCode=5136 AttributeSyntaxOID=2.5.5.12 AttributeValue=$displayName$" | rename AttributeValue as displayName]
| stats min(_time) as _time values(displayName) as gp_name, values(gPCFileSysPath) as gPCFileSysPath, values(src_user) as src_user, values(dest) as dest, values(dest_category) as dest_category, values(src_user_category) as src_user_category by displayName
| stats min(_time) as _time values(displayName) as gp_name, values(gPCFileSysPath) as gPCFileSysPath, values(src_user) as src_user, values(dcName) as dcName, values(dest_category) as dest_category, values(src_user_category) as src_user_category by displayName
| `windows_admon_default_group_policy_object_modified_filter`'
how_to_implement: To successfully implement this search, you need to be monitoring
Active Directory logs using Admon. Details can be found here
@@ -47,6 +47,10 @@ tags:
type: Endpoint
role:
- Victim
- name: src_user
type: User
role:
- Victim
product:
- Splunk Enterprise
- Splunk Enterprise Security
@@ -17,7 +17,7 @@ description: The following analytic detects the creation of a new Group Policy O
search: ' `admon` admonEventType=Update objectCategory="CN=Group-Policy-Container,CN=Schema,CN=Configuration,DC=*" versionNumber=0 displayName!="New Group Policy Object"
| appendpipe [
| map search="search `wineventlog_security` EventCode=5136 AttributeSyntaxOID=2.5.5.12 AttributeValue=$displayName$" | rename AttributeValue as displayName]
| stats min(_time) as _time values(displayName) as gp_name, values(gPCFileSysPath) as gPCFileSysPath, values(src_user) as src_user, values(dest) as dest, values(dest_category) as dest_category, values(src_user_category) as src_user_category by displayName
| stats min(_time) as _time values(displayName) as gp_name, values(gPCFileSysPath) as gPCFileSysPath, values(src_user) as src_user, values(dcName) as dcName, values(dest_category) as dest_category, values(src_user_category) as src_user_category by displayName
| `windows_admon_group_policy_object_created_filter`'
how_to_implement: To successfully implement this search, you need to be monitoring
Active Directory logs using Admon. Details can be found here
@@ -46,6 +46,10 @@ tags:
type: Endpoint
role:
- Victim
- name: src_user
type: User
role:
- Victim
product:
- Splunk Enterprise
- Splunk Enterprise Security