updates from Lou

This commit is contained in:
Bhavin Patel
2023-08-17 14:12:59 -07:00
parent bddb9b34df
commit b9acaa355e
2 changed files with 4 additions and 4 deletions
@@ -1,7 +1,7 @@
name: Splunk User Enumeration Attempt
id: 25625cb4-1c4d-4463-b0f9-7cb462699cde
version: 2
date: '2023-07-31'
version: 1
date: '2022-04-29'
author: Lou Stella, Splunk
status: production
type: TTP
@@ -11,7 +11,7 @@ description: On May 3rd, 2022, Splunk published a security advisory for usernam
as well as actual exploitation in unpatched version of Splunk.
data_source: []
search: ' `splunkd_failed_auths` | stats count(user) as auths by user, src | where
auths>5 | stats dc(user) as "Users", sum(auths) as TotalFailedAuths by src |
auths>5 | stats values(user) as "Users", sum(auths) as TotalFailedAuths by src |
`splunk_user_enumeration_attempt_filter`'
how_to_implement: This detection does not require you to ingest any new data. The
detection does require the ability to search the _audit index. This detection may
@@ -13,7 +13,7 @@ data_source:
- Sysmon Event ID 1
search: '| tstats `security_content_summariesonly` count FROM datamodel=Endpoint.Registry
WHERE (Registry.registry_path= "*\\SOFTWARE\\Microsoft\\.NETFramework\\ETWEnabled"
Registry.registry_value_data = "0x00000000") BY _time span=1h Registry.registry_path
Registry.registry_value_data = "0x00000000") BY _time span=1h Registry.dest Registry.registry_path
Registry.registry_key_name Registry.registry_value_name Registry.registry_value_data
Registry.process_guid | `drop_dm_object_name(Registry)` | where isnotnull(registry_value_data)
| `security_content_ctime(firstTime)` | `security_content_ctime(lastTime)` | `disable_etw_through_registry_filter`'