mirror of
https://github.com/splunk/security_content
synced 2026-06-08 17:32:49 +00:00
P4T12ICK
66 lines
2.8 KiB
YAML
66 lines
2.8 KiB
YAML
name: Disabling Task Manager
|
|
id: dac279bc-9202-11eb-b7fb-acde48001122
|
|
version: 1
|
|
date: '2021-03-31'
|
|
author: Teoderick Contreras, Splunk
|
|
type: TTP
|
|
datamodel:
|
|
- Endpoint
|
|
description: This search is to identifies modification of registry to disable the
|
|
task manager of windows operating system. this event or technique are commonly seen
|
|
in malware such as RAT, Trojan, TrojanSpy or worm to prevent the user to terminate
|
|
their process.
|
|
search: '| tstats `security_content_summariesonly` count min(_time) as firstTime max(_time)
|
|
as lastTime from datamodel=Endpoint.Registry where Registry.registry_path= "*\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Policies\\System\\DisableTaskMgr"
|
|
Registry.registry_value_name = "DWORD (0x00000001)" 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)` | `disabling_task_manager_filter`'
|
|
how_to_implement: To successfully implement this search you need to be ingesting information
|
|
on process that include the name of the process responsible for the changes from
|
|
your endpoints into the `Endpoint` datamodel in the `Registry` node. Also make sure
|
|
that this registry was included in your config files ex. sysmon config to be monitored.
|
|
known_false_positives: admin may disable this application for non technical user.
|
|
references:
|
|
- https://any.run/report/ea4ea08407d4ee72e009103a3b77e5a09412b722fdef67315ea63f22011152af/a866d7b1-c236-4f26-a391-5ae32213dfc4#registry
|
|
- https://blog.talosintelligence.com/2020/05/threat-roundup-0424-0501.html
|
|
tags:
|
|
analytic_story:
|
|
- Windows Defense Evasion Tactics
|
|
automated_detection_testing: passed
|
|
confidence: 60
|
|
context:
|
|
- Source:Endpoint
|
|
- Stage:Defense Evasion
|
|
dataset:
|
|
- https://media.githubusercontent.com/media/splunk/attack_data/master/datasets/attack_techniques/T1562.001/win_app_defender_disabling/windows-security.log
|
|
- https://media.githubusercontent.com/media/splunk/attack_data/master/datasets/attack_techniques/T1562.001/win_app_defender_disabling/windows-system.log
|
|
- https://media.githubusercontent.com/media/splunk/attack_data/master/datasets/attack_techniques/T1562.001/win_app_defender_disabling/windows-sysmon.log
|
|
impact: 70
|
|
kill_chain_phases:
|
|
- Exploitation
|
|
message: The Windows Task Manager was disabled on $dest$ by $user$.
|
|
mitre_attack_id:
|
|
- T1562.001
|
|
observable:
|
|
- name: user
|
|
type: User
|
|
role:
|
|
- Victim
|
|
- name: dest
|
|
type: Hostname
|
|
role:
|
|
- Victim
|
|
product:
|
|
- Splunk Enterprise
|
|
- Splunk Enterprise Security
|
|
- Splunk Cloud
|
|
required_fields:
|
|
- _time
|
|
- Registry.registry_key_name
|
|
- Registry.registry_path
|
|
- Registry.user
|
|
- Registry.dest
|
|
- Registry.registry_value_name
|
|
risk_score: 42
|
|
security_domain: endpoint
|