Files
sigma-rules/rules_building_block/defense_evasion_unusual_process_path_wbem.toml
T
Jonhnathan 109e8a85a5 [Rule Tuning] BBR Rule Tuning 1 - Tighten Indexes Edition (#3576)
* [Rule Tuning] BBR Rule Tuning 1 - Tighten Indexes Edition

* Apply suggestions from code review

Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com>

* Update defense_evasion_msdt_suspicious_diagcab.toml

* Update defense_evasion_suspicious_msiexec_execution.toml

* Update discovery_security_software_wmic.toml

* Update rules_building_block/discovery_security_software_wmic.toml

Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com>

* Endgame tag

---------

Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com>
2024-04-08 08:57:33 -03:00

55 lines
1.6 KiB
TOML

[metadata]
creation_date = "2023/08/23"
integration = ["endpoint"]
maturity = "production"
min_stack_comments = "New fields added: required_fields, related_integrations, setup"
min_stack_version = "8.3.0"
updated_date = "2024/04/05"
[rule]
author = ["Elastic"]
description = """
Identifies unusual processes running from the WBEM path, uncommon outside WMI-related Windows processes.
"""
from = "now-119m"
interval = "60m"
index = ["logs-endpoint.events.process-*", "logs-system.security*", "winlogbeat-*", "logs-windows.*", "endgame-*"]
language = "eql"
license = "Elastic License v2"
name = "Unusual Process Execution on WBEM Path"
risk_score = 21
rule_id = "1f460f12-a3cf-4105-9ebb-f788cc63f365"
severity = "low"
tags = ["Domain: Endpoint", "OS: Windows", "Use Case: Threat Detection", "Tactic: Defense Evasion", "Data Source: Elastic Defend", "Rule Type: BBR", "Data Source: Elastic Endgame"]
timestamp_override = "event.ingested"
type = "eql"
building_block_type = "default"
query = '''
process where host.os.type == "windows" and event.type == "start" and
process.executable : ("?:\\Windows\\System32\\wbem\\*", "?:\\Windows\\SysWow64\\wbem\\*") and
not process.name : (
"mofcomp.exe",
"scrcons.exe",
"unsecapp.exe",
"wbemtest.exe",
"winmgmt.exe",
"wmiadap.exe",
"wmiapsrv.exe",
"wmic.exe",
"wmiprvse.exe"
)
'''
[[rule.threat]]
framework = "MITRE ATT&CK"
[[rule.threat.technique]]
id = "T1036"
name = "Masquerading"
reference = "https://attack.mitre.org/techniques/T1036/"
[rule.threat.tactic]
id = "TA0005"
name = "Defense Evasion"
reference = "https://attack.mitre.org/tactics/TA0005/"