shashank-elastic
62 lines
2.1 KiB
TOML
62 lines
2.1 KiB
TOML
[metadata]
|
|
creation_date = "2020/09/02"
|
|
integration = ["endpoint", "windows"]
|
|
maturity = "production"
|
|
updated_date = "2024/05/21"
|
|
|
|
[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.registry-*", "winlogbeat-*", "logs-windows.sysmon_operational-*"]
|
|
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 = [
|
|
"Domain: Endpoint",
|
|
"OS: Windows",
|
|
"Use Case: Threat Detection",
|
|
"Tactic: Persistence",
|
|
"Data Source: Elastic Defend",
|
|
"Data Source: Sysmon",
|
|
]
|
|
timestamp_override = "event.ingested"
|
|
type = "eql"
|
|
|
|
query = '''
|
|
registry where host.os.type == "windows" and event.type in ("creation", "change") and
|
|
registry.path : "HKLM\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\AppCompatFlags\\Custom\\*.sdb" and
|
|
not process.executable :
|
|
("?:\\Program Files (x86)\\DesktopCentral_Agent\\swrepository\\1\\swuploads\\SAP-SLC\\SAPSetupSLC02_14-80001954\\Setup\\NwSapSetup.exe",
|
|
"?:\\$WINDOWS.~BT\\Sources\\SetupPlatform.exe",
|
|
"?:\\Program Files (x86)\\SAP\\SAPsetup\\setup\\NwSapSetup.exe",
|
|
"?:\\Program Files (x86)\\SAP\\SapSetup\\OnRebootSvc\\NWSAPSetupOnRebootInstSvc.exe",
|
|
"?:\\Program Files (x86)\\Kaspersky Lab\\Kaspersky Security for Windows Server\\kavfs.exe")
|
|
'''
|
|
|
|
|
|
[[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/"
|
|
|