mirror of
https://github.com/elastic/detection-rules
synced 2026-06-08 14:00:08 +00:00
[Tuning] Top Noisy Windows BBR (#5480)
* [Tuning] Top Noisy Windows BBRS - Process Discovery Using Built-in Tools - System Service Discovery through built-in Windows Utilities * Update discovery_generic_process_discovery.toml * Update discovery_generic_process_discovery.toml * Update discovery_generic_process_discovery.toml * Update discovery_generic_process_discovery.toml --------- Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com>
This commit is contained in:
committed by
eric-forte-elastic
parent
a4493a67ac
commit
49674bf5bf
@@ -3,7 +3,7 @@ bypass_bbr_timing = true
|
||||
creation_date = "2023/07/13"
|
||||
integration = ["endpoint", "windows", "system"]
|
||||
maturity = "production"
|
||||
updated_date = "2025/03/20"
|
||||
updated_date = "2025/12/17"
|
||||
|
||||
[rule]
|
||||
author = ["Elastic"]
|
||||
@@ -14,7 +14,6 @@ enumerate processes to identify installed applications and security solutions.
|
||||
"""
|
||||
from = "now-9m"
|
||||
index = [
|
||||
"endgame-*",
|
||||
"logs-endpoint.events.process-*",
|
||||
"logs-system.security*",
|
||||
"logs-windows.*",
|
||||
@@ -33,21 +32,27 @@ tags = [
|
||||
"Tactic: Discovery",
|
||||
"Rule Type: BBR",
|
||||
"Data Source: Elastic Defend",
|
||||
"Data Source: Elastic Endgame",
|
||||
"Data Source: Windows Security Event Logs",
|
||||
]
|
||||
timestamp_override = "event.ingested"
|
||||
type = "eql"
|
||||
|
||||
query = '''
|
||||
process where host.os.type == "windows" and event.type == "start" and process.args != null and
|
||||
process where host.os.type == "windows" and event.type == "start" and process.args != null and
|
||||
not user.id in ("S-1-5-18", "S-1-5-19", "S-1-5-20") and process.parent.executable != null and
|
||||
(
|
||||
process.name :("PsList.exe", "qprocess.exe") or
|
||||
(process.name : "powershell.exe" and process.args : ("*get-process*", "*Win32_Process*")) or
|
||||
(process.name : "wmic.exe" and process.args : ("process", "*Win32_Process*")) or
|
||||
(process.name : "tasklist.exe" and not process.args : ("pid eq*")) or
|
||||
(process.name : "query.exe" and process.args : "process")
|
||||
) and not user.id : "S-1-5-18"
|
||||
process.name :("PsList.exe", "qprocess.exe") or
|
||||
|
||||
(process.name : "powershell.exe" and process.args : ("*get-process*", "*Win32_Process*") and not process.parent.name in ("openaev-agent.exe", "cmd.exe", "Miro.exe", "Granola.exe", "Wispr Flow.exe")) or
|
||||
|
||||
(process.name : "wmic.exe" and process.args : ("process", "*Win32_Process*") and not process.parent.name in ("Code.exe", "node.exe", "javaw.exe", "java.exe", "asus_framework.exe", "Evernote.exe", "RingCentral.exe", "Avaya Cloud.exe", "Arduino IDE.exe")) or
|
||||
|
||||
(process.name : "tasklist.exe" and process.args_count == 1 and process.parent.args != "tasklist | findstr consent.exe") or
|
||||
|
||||
(process.name : "query.exe" and process.args : ("process", "imagename*", "csv", "/fi"))
|
||||
) and
|
||||
not process.working_directory like ("?:\\Program Files*", "D:\\*", "E:\\*") and
|
||||
not process.parent.executable like ("?:\\Program Files (x86)\\*.exe", "?:\\Program Files\\*.exe")
|
||||
'''
|
||||
|
||||
|
||||
|
||||
Reference in New Issue
Block a user