Files
sigma-rules/rules/windows/persistence_services_registry.toml
T
Jonhnathan 063386829c [Security Content] Include "Data Source: Elastic Defend" tag (#3002)
* win folder

* Other folders

* Update test_all_rules.py

* .

* updated missing elastic defend tags

---------

Co-authored-by: terrancedejesus <terrance.dejesus@elastic.co>

(cherry picked from commit 4233fef238)
2023-09-05 18:28:40 +00:00

71 lines
2.4 KiB
TOML

[metadata]
creation_date = "2020/11/18"
integration = ["endpoint"]
maturity = "production"
min_stack_comments = "New fields added: required_fields, related_integrations, setup"
min_stack_version = "8.3.0"
updated_date = "2023/06/22"
[rule]
author = ["Elastic"]
description = """
Identifies processes modifying the services registry key directly, instead of through the expected Windows APIs. This
could be an indication of an adversary attempting to stealthily persist through abnormal service creation or
modification of an existing service.
"""
from = "now-9m"
index = ["logs-endpoint.events.*", "endgame-*"]
language = "eql"
license = "Elastic License v2"
name = "Unusual Persistence via Services Registry"
risk_score = 21
rule_id = "403ef0d3-8259-40c9-a5b6-d48354712e49"
severity = "low"
tags = ["Domain: Endpoint", "OS: Windows", "Use Case: Threat Detection", "Tactic: Persistence", "Data Source: Elastic Endgame", "Data Source: Elastic Defend"]
timestamp_override = "event.ingested"
type = "eql"
query = '''
registry where host.os.type == "windows" and
registry.path : (
"HKLM\\SYSTEM\\ControlSet*\\Services\\*\\ServiceDLL",
"HKLM\\SYSTEM\\ControlSet*\\Services\\*\\ImagePath",
"\\REGISTRY\\MACHINE\\SYSTEM\\ControlSet*\\Services\\*\\ServiceDLL",
"\\REGISTRY\\MACHINE\\SYSTEM\\ControlSet*\\Services\\*\\ImagePath"
) and not registry.data.strings : (
"?:\\windows\\system32\\Drivers\\*.sys",
"\\SystemRoot\\System32\\drivers\\*.sys",
"\\??\\?:\\Windows\\system32\\Drivers\\*.SYS",
"system32\\DRIVERS\\USBSTOR") and
not (process.name : "procexp??.exe" and registry.data.strings : "?:\\*\\procexp*.sys") and
not process.executable : (
"?:\\Program Files\\*.exe",
"?:\\Program Files (x86)\\*.exe",
"?:\\Windows\\System32\\svchost.exe",
"?:\\Windows\\winsxs\\*\\TiWorker.exe",
"?:\\Windows\\System32\\drvinst.exe",
"?:\\Windows\\System32\\services.exe",
"?:\\Windows\\System32\\msiexec.exe",
"?:\\Windows\\System32\\regsvr32.exe")
'''
[[rule.threat]]
framework = "MITRE ATT&CK"
[[rule.threat.technique]]
id = "T1543"
name = "Create or Modify System Process"
reference = "https://attack.mitre.org/techniques/T1543/"
[[rule.threat.technique.subtechnique]]
id = "T1543.003"
name = "Windows Service"
reference = "https://attack.mitre.org/techniques/T1543/003/"
[rule.threat.tactic]
id = "TA0003"
name = "Persistence"
reference = "https://attack.mitre.org/tactics/TA0003/"