Files
sigma-rules/rules_building_block/defense_evasion_unusual_process_path_wbem.toml
T
Mika Ayenson, PhD 8993d1450b [Rule Tuning] Add Supplemental Mitre Mappings (#5876)
---------

Co-authored-by: Ruben Groenewoud <78494512+Aegrah@users.noreply.github.com>
Co-authored-by: Isai <59296946+imays11@users.noreply.github.com>
Co-authored-by: terrancedejesus <terrance.dejesus@elastic.co>
Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com>
Co-authored-by: eric-forte-elastic <eric.forte@elastic.co>
2026-04-01 09:12:42 -05:00

73 lines
1.8 KiB
TOML

[metadata]
creation_date = "2023/08/23"
integration = ["endpoint", "windows", "system"]
maturity = "production"
updated_date = "2026/03/24"
[rule]
author = ["Elastic"]
building_block_type = "default"
description = "Identifies unusual processes running from the WBEM path, uncommon outside WMI-related Windows processes.\n"
from = "now-119m"
index = [
"endgame-*",
"logs-endpoint.events.process-*",
"logs-system.security*",
"logs-windows.*",
"winlogbeat-*",
]
interval = "60m"
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",
"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.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.technique.subtechnique]]
id = "T1036.005"
name = "Match Legitimate Resource Name or Location"
reference = "https://attack.mitre.org/techniques/T1036/005/"
[rule.threat.tactic]
id = "TA0005"
name = "Defense Evasion"
reference = "https://attack.mitre.org/tactics/TA0005/"