Jonhnathan
d52c0d2257
* [Rule Tuning] Remove "process_started" from Windows Rules * Additional, pending ones * Update defense_evasion_code_injection_conhost.toml Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com>
52 lines
1.6 KiB
TOML
52 lines
1.6 KiB
TOML
[metadata]
|
|
creation_date = "2020/09/02"
|
|
maturity = "production"
|
|
min_stack_comments = "New fields added: required_fields, related_integrations, setup"
|
|
min_stack_version = "8.3.0"
|
|
updated_date = "2022/09/15"
|
|
|
|
[rule]
|
|
author = ["Elastic"]
|
|
description = """
|
|
Identifies the installation of custom Application Compatibility Shim databases. This Windows functionality has been
|
|
abused by attackers to stealthily gain persistence and arbitrary code execution in legitimate Windows processes.
|
|
"""
|
|
from = "now-9m"
|
|
index = ["logs-endpoint.events.*", "winlogbeat-*", "logs-windows.*"]
|
|
language = "eql"
|
|
license = "Elastic License v2"
|
|
name = "Installation of Custom Shim Databases"
|
|
risk_score = 47
|
|
rule_id = "c5ce48a6-7f57-4ee8-9313-3d0024caee10"
|
|
severity = "medium"
|
|
tags = ["Elastic", "Host", "Windows", "Threat Detection", "Persistence"]
|
|
type = "eql"
|
|
|
|
query = '''
|
|
sequence by process.entity_id with maxspan = 5m
|
|
[process where event.type == "start" and
|
|
not (process.name : "sdbinst.exe" and process.parent.name : "msiexec.exe")]
|
|
[registry where event.type in ("creation", "change") and
|
|
registry.path : "HKLM\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\AppCompatFlags\\Custom\\*.sdb"]
|
|
'''
|
|
|
|
|
|
[[rule.threat]]
|
|
framework = "MITRE ATT&CK"
|
|
[[rule.threat.technique]]
|
|
id = "T1546"
|
|
name = "Event Triggered Execution"
|
|
reference = "https://attack.mitre.org/techniques/T1546/"
|
|
[[rule.threat.technique.subtechnique]]
|
|
id = "T1546.011"
|
|
name = "Application Shimming"
|
|
reference = "https://attack.mitre.org/techniques/T1546/011/"
|
|
|
|
|
|
|
|
[rule.threat.tactic]
|
|
id = "TA0003"
|
|
name = "Persistence"
|
|
reference = "https://attack.mitre.org/tactics/TA0003/"
|
|
|