shashank-elastic
e8c54169a4
* Prep for Release 9.1 * Update Patch Version * Update Patch version * Update Patch version
71 lines
1.7 KiB
TOML
71 lines
1.7 KiB
TOML
[metadata]
|
|
creation_date = "2023/08/21"
|
|
integration = ["endpoint", "windows", "system"]
|
|
maturity = "production"
|
|
updated_date = "2025/03/20"
|
|
|
|
[rule]
|
|
author = ["Elastic"]
|
|
building_block_type = "default"
|
|
description = """
|
|
Identifies commands containing references to Outlook data files extensions, which can potentially indicate the search,
|
|
access, or modification of these files.
|
|
"""
|
|
from = "now-119m"
|
|
index = [
|
|
"endgame-*",
|
|
"logs-endpoint.events.process-*",
|
|
"logs-system.security*",
|
|
"logs-windows.sysmon_operational-*",
|
|
"winlogbeat-*",
|
|
]
|
|
interval = "60m"
|
|
language = "eql"
|
|
license = "Elastic License v2"
|
|
name = "Accessing Outlook Data Files"
|
|
risk_score = 21
|
|
rule_id = "2e311539-cd88-4a85-a301-04f38795007c"
|
|
severity = "low"
|
|
tags = [
|
|
"Domain: Endpoint",
|
|
"OS: Windows",
|
|
"Use Case: Threat Detection",
|
|
"Tactic: Collection",
|
|
"Data Source: Elastic Defend",
|
|
"Rule Type: BBR",
|
|
"Data Source: Sysmon",
|
|
"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 : ("*.ost", "*.pst") and
|
|
not process.name : "outlook.exe" and
|
|
not (
|
|
process.name : "rundll32.exe" and
|
|
process.args : "*davclnt.dll,DavSetCookie*"
|
|
)
|
|
'''
|
|
|
|
|
|
[[rule.threat]]
|
|
framework = "MITRE ATT&CK"
|
|
[[rule.threat.technique]]
|
|
id = "T1114"
|
|
name = "Email Collection"
|
|
reference = "https://attack.mitre.org/techniques/T1114/"
|
|
[[rule.threat.technique.subtechnique]]
|
|
id = "T1114.001"
|
|
name = "Local Email Collection"
|
|
reference = "https://attack.mitre.org/techniques/T1114/001/"
|
|
|
|
|
|
|
|
[rule.threat.tactic]
|
|
id = "TA0009"
|
|
name = "Collection"
|
|
reference = "https://attack.mitre.org/tactics/TA0009/"
|
|
|