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Merge branch 'clop_ransomware' of github.com:splunk/security_content into clop_ransomware

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tcontreras
2021-03-23 12:29:08 +01:00
parent 1696edba41 6da776bb4a
commit 3fd704cdcd
1 changed files with 13 additions and 10 deletions
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detections/endpoint/clop_ransomware_known_service_name.yml
+13 -10
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@@ -6,16 +6,17 @@ author: Teoderick Contreras
type: batch
datamodel:
- Endpoint
description: This detection is to identify the common service name created by the CLOP ransomware as part of its persistence
and high privilege code execution in the infected machine. Ussually CLOP ransomware use StartServiceCtrlDispatcherW API in creating this service entry.
search: '`wineventlog_system` EventCode=7045 Service_Name IN ("SecurityCenterIBM", "WinCheckDRVs")
| stats count min(_time) as firstTime max(_time) as lastTime by EventCode Service_File_Name Service_Name Service_Start_Type Service_Type
| `security_content_ctime(firstTime)`
| `security_content_ctime(lastTime)`
| `clop_ransomware_known_service_name_filter`'
description: This detection is to identify the common service name created by the
CLOP ransomware as part of its persistence and high privilege code execution in
the infected machine. Ussually CLOP ransomware use StartServiceCtrlDispatcherW API
in creating this service entry.
search: '`wineventlog_system` EventCode=7045 Service_Name IN ("SecurityCenterIBM",
"WinCheckDRVs") | stats count min(_time) as firstTime max(_time) as lastTime by
EventCode Service_File_Name Service_Name Service_Start_Type Service_Type | `security_content_ctime(firstTime)`
| `security_content_ctime(lastTime)` | `clop_ransomware_known_service_name_filter`'
how_to_implement: To successfully implement this search, you need to be ingesting
logs with the Service name, Service File Name Service Start type, and Service Type from your
endpoints.
logs with the Service name, Service File Name Service Start type, and Service Type
from your endpoints.
known_false_positives: unknown
references:
- https://www.fireeye.com/blog/threat-research/2020/10/fin11-email-campaigns-precursor-for-ransomware-data-theft.html
@@ -40,4 +41,6 @@ tags:
- OriginalFileName
- process_path
security_domain: endpoint
automated_detection_testing: passed
dataset:
- https://media.githubusercontent.com/media/splunk/attack_data/master/datasets/malware/clop/clop_a/windows-system.log