Delete allow_operation_with_consent_admin.yml

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tccontre
2021-06-16 12:53:51 +02:00
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parent 8effd5a258
commit c430efed7e
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name: Allow Operation with Consent Admin
id: 7de17d7a-c9d8-11eb-a812-acde48001122
version: 1
date: '2021-06-10'
author: Teoderick Contreras, Splunk
type: batch
datamodel:
- Endpoint
description: this search is to detect a potential privilege escalation attempt to do malicious task.
This registry modification is designed to allows the Consent Admin to perform an operation that
requires elevation without consent or credentials. We also found this in some attacker to gain privilege escalation
to the compromise machine.
search: '| tstats `security_content_summariesonly` count min(_time) as firstTime max(_time) as lastTime
FROM datamodel=Endpoint.Registry where Registry.registry_path= "*\\Microsoft\\Windows\\CurrentVersion\\Policies\\System*" Registry.registry_key_name = ConsentPromptBehaviorAdmin Registry.registry_value_name = "DWORD (0x00000000)"
by Registry.registry_path Registry.registry_key_name Registry.registry_value_name Registry.dest
| `drop_dm_object_name(Registry)`
| `security_content_ctime(firstTime)`
|`security_content_ctime(lastTime)`
| `allow_operation_with_consent_admin_filter`'
how_to_implement: To successfully implement this search, you must be ingesting data
that records registry activity from your hosts to populate the endpoint data model
in the registry node. This is typically populated via endpoint detection-and-response
product, such as Carbon Black or endpoint data sources, such as Sysmon. The data
used for this search is typically generated via logs that report reads and writes
to the registry.
known_false_positives: unknown
references:
- https://docs.microsoft.com/en-us/openspecs/windows_protocols/ms-gpsb/341747f5-6b5d-4d30-85fc-fa1cc04038d4
- https://www.trendmicro.com/vinfo/no/threat-encyclopedia/malware/Ransom.Win32.MRDEC.MRA/
tags:
analytic_story:
- Ransomware
kill_chain_phases:
- Exploitation
mitre_attack_id:
- T1548
product:
- Splunk Enterprise
- Splunk Enterprise Security
- Splunk Cloud
required_fields:
- _time
- Registry.registry_path
- Registry.registry_key_name
- Registry.registry_value_name
- Registry.dest
security_domain: endpoint