Files
sigma-rules/rules/integrations/o365/lateral_movement_malware_uploaded_sharepoint.toml
T
Terrance DeJesus 4312d8c958 [FR] Add Endpoint, APM and Windows Integration Tags to Rules and Supportability (#2429)
* initial commit

* addressing flake errors

* added apm to _get_packagted_integrations logic

* addressed flake errors

* adjusted integration schema and updated rules to be a list

* updated several rules and removed a unit test

* updated rules with logs-* only index patterns

* Update tests/test_all_rules.py

Co-authored-by: Mika Ayenson <Mikaayenson@users.noreply.github.com>

* addressed flake errors

* integration is none is windows, endpoint or apm

* adding rules with accepted incoming changes from main

* fixed tag and tactic alignment errors from unit testing

* adjusted unit testing logic for integration tags; added more exclusion rules

* adjusted test_integration logic to be rule resistent and skip if -8.3

* adjusted comments for unit test skip

* fixed merge conflicts from main

* changing test_integration_tag to remove logic for rule version comparisons

* added integration tag to new rule

* adjusted rules updated_date value

* ignore guided onboarding rule in unit tests

* added integration tag to new rule

Co-authored-by: Mika Ayenson <Mikaayenson@users.noreply.github.com>
2023-01-04 09:30:07 -05:00

54 lines
1.9 KiB
TOML

[metadata]
creation_date = "2022/01/10"
integration = ["o365"]
maturity = "production"
min_stack_comments = "New fields added: required_fields, related_integrations, setup"
min_stack_version = "8.3.0"
updated_date = "2022/12/14"
[rule]
author = ["Elastic"]
description = """
Identifies the occurence of files uploaded to SharePoint being detected as Malware by the file scanning engine.
Attackers can use File Sharing and Organization Repositories to spread laterally within the company and amplify their
access. Users can inadvertently share these files without knowing their maliciousness, giving adversaries opportunities
to gain initial access to other endpoints in the environment.
"""
false_positives = ["Benign files can trigger signatures in the built-in virus protection"]
from = "now-30m"
index = ["filebeat-*", "logs-o365*"]
language = "kuery"
license = "Elastic License v2"
name = "SharePoint Malware File Upload"
note = """## Setup
The Office 365 Logs Fleet integration, Filebeat module, or similarly structured data is required to be compatible with this rule."""
references = [
"https://docs.microsoft.com/en-us/microsoft-365/security/office-365-security/virus-detection-in-spo?view=o365-worldwide",
]
risk_score = 73
rule_id = "0e52157a-8e96-4a95-a6e3-5faae5081a74"
severity = "high"
tags = ["Elastic", "Cloud", "Microsoft 365", "Continuous Monitoring", "SecOps", "Lateral Movement"]
timestamp_override = "event.ingested"
type = "query"
query = '''
event.dataset:o365.audit and event.provider:SharePoint and event.code:SharePointFileOperation and event.action:FileMalwareDetected
'''
[[rule.threat]]
framework = "MITRE ATT&CK"
[[rule.threat.technique]]
id = "T1080"
name = "Taint Shared Content"
reference = "https://attack.mitre.org/techniques/T1080/"
[rule.threat.tactic]
id = "TA0008"
name = "Lateral Movement"
reference = "https://attack.mitre.org/tactics/TA0008/"