Files
sigma-rules/rules_building_block/discovery_net_share_discovery_winlog.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

63 lines
2.1 KiB
TOML

[metadata]
creation_date = "2023/07/14"
integration = ["windows", "system"]
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 = """
Adversaries may look for folders and drives shared on remote systems to identify sources of information to gather as a
precursor for collection and identify potential systems of interest for Lateral Movement.
"""
from = "now-119m"
interval = "60m"
index = ["winlogbeat-*", "logs-windows.*", "logs-system.*"]
language = "eql"
license = "Elastic License v2"
name = "Potential Network Share Discovery"
risk_score = 21
rule_id = "b2318c71-5959-469a-a3ce-3a0768e63b9c"
severity = "low"
tags = ["Domain: Endpoint", "OS: Windows", "Use Case: Threat Detection", "Tactic: Discovery", "Tactic: Collection", "Rule Type: BBR"]
type = "eql"
building_block_type = "default"
query = '''
sequence by user.name, source.port, source.ip with maxspan=15s
[file where event.action == "network-share-object-access-checked" and
winlog.event_data.ShareName : ("\\*ADMIN$", "\\*C$") and
source.ip != null and source.ip != "0.0.0.0" and source.ip != "::1" and source.ip != "::" and source.ip != "127.0.0.1"]
[file where event.action == "network-share-object-access-checked" and
winlog.event_data.ShareName : ("\\*ADMIN$", "\\*C$") and
source.ip != null and source.ip != "0.0.0.0" and source.ip != "::1" and source.ip != "::" and source.ip != "127.0.0.1"]
'''
[[rule.threat]]
framework = "MITRE ATT&CK"
[[rule.threat.technique]]
id = "T1135"
name = "Network Share Discovery"
reference = "https://attack.mitre.org/techniques/T1135/"
[rule.threat.tactic]
id = "TA0007"
name = "Discovery"
reference = "https://attack.mitre.org/tactics/TA0007/"
[[rule.threat]]
framework = "MITRE ATT&CK"
[[rule.threat.technique]]
id = "T1039"
name = "Data from Network Shared Drive"
reference = "https://attack.mitre.org/techniques/T1039/"
[rule.threat.tactic]
id = "TA0009"
name = "Collection"
reference = "https://attack.mitre.org/tactics/TA0009/"