Files
sigma-rules/rules_building_block/persistence_msoffice_startup_registry.toml
T
Jonhnathan f584fb6e31 [Security Content] Adjust Mitre Att&ck Mappings - Windows Rules (#3165)
* [Security Content] Adjust Mitre Att&ck Mappings - Windows Rules

* Fix dates

* Fix unit test errors

* updated tags and fixed branch conflicts

updated tags and fixed branch conflicts

* description nit

* Reverting unintended changes

* Update initial_access_suspicious_ms_office_child_process.toml

---------

Co-authored-by: imays11 <59296946+imays11@users.noreply.github.com>
2023-10-15 18:12:20 -03:00

66 lines
2.0 KiB
TOML

[metadata]
creation_date = "2023/08/22"
integration = ["endpoint"]
maturity = "production"
min_stack_comments = "New fields added: required_fields, related_integrations, setup"
min_stack_version = "8.3.0"
updated_date = "2023/10/13"
[rule]
author = ["Elastic"]
description = """
Identifies the modification of the Microsoft Office "Office Test" Registry key, a registry location that can be used to
specify a DLL which will be executed every time an MS Office application is started. Attackers can abuse this to gain
persistence on a compromised host.
"""
from = "now-119m"
interval = "60m"
index = ["logs-endpoint.events.*"]
language = "eql"
license = "Elastic License v2"
name = "Office Test Registry Persistence"
references = [
"https://unit42.paloaltonetworks.com/unit42-technical-walkthrough-office-test-persistence-method-used-in-recent-sofacy-attacks/",
]
risk_score = 21
rule_id = "14dab405-5dd9-450c-8106-72951af2391f"
severity = "low"
tags = ["Domain: Endpoint", "OS: Windows", "Use Case: Threat Detection", "Tactic: Persistence", "Tactic: Defense Evasion", "Data Source: Elastic Defend", "Rule Type: BBR"]
timestamp_override = "event.ingested"
type = "eql"
building_block_type = "default"
query = '''
registry where host.os.type == "windows" and event.action != "deletion" and
registry.path : "*\\Software\\Microsoft\\Office Test\\Special\\Perf\\*"
'''
[[rule.threat]]
framework = "MITRE ATT&CK"
[[rule.threat.technique]]
id = "T1137"
name = "Office Application Startup"
reference = "https://attack.mitre.org/techniques/T1137/"
[[rule.threat.technique.subtechnique]]
id = "T1137.002"
name = "Office Test"
reference = "https://attack.mitre.org/techniques/T1137/002/"
[rule.threat.tactic]
id = "TA0003"
name = "Persistence"
reference = "https://attack.mitre.org/tactics/TA0003/"
[[rule.threat]]
framework = "MITRE ATT&CK"
[[rule.threat.technique]]
id = "T1112"
name = "Modify Registry"
reference = "https://attack.mitre.org/techniques/T1112/"
[rule.threat.tactic]
id = "TA0005"
name = "Defense Evasion"
reference = "https://attack.mitre.org/tactics/TA0005/"