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sigma-rules/rules/windows/defense_evasion_execution_msbuild_started_by_script.toml
T
2021-03-03 22:12:11 -09:00

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1.5 KiB
TOML
Executable File

[metadata]
creation_date = "2020/03/25"
maturity = "production"
updated_date = "2021/03/03"
[rule]
author = ["Elastic"]
description = """
An instance of MSBuild, the Microsoft Build Engine, was started by a script or the Windows command interpreter. This
behavior is unusual and is sometimes used by malicious payloads.
"""
false_positives = ["The Build Engine is commonly used by Windows developers but use by non-engineers is unusual."]
from = "now-9m"
index = ["winlogbeat-*", "logs-endpoint.events.*", "logs-windows.*"]
language = "kuery"
license = "Elastic License v2"
name = "Microsoft Build Engine Started by a Script Process"
risk_score = 21
rule_id = "9d110cb3-5f4b-4c9a-b9f5-53f0a1707ae2"
severity = "low"
tags = ["Elastic", "Host", "Windows", "Threat Detection", "Defense Evasion"]
timestamp_override = "event.ingested"
type = "query"
query = '''
event.category:process and event.type: start and
process.name:MSBuild.exe and
process.parent.name:(cmd.exe or powershell.exe or cscript.exe or wscript.exe)
'''
[[rule.threat]]
framework = "MITRE ATT&CK"
[[rule.threat.technique]]
id = "T1127"
name = "Trusted Developer Utilities Proxy Execution"
reference = "https://attack.mitre.org/techniques/T1127/"
[rule.threat.tactic]
id = "TA0005"
name = "Defense Evasion"
reference = "https://attack.mitre.org/tactics/TA0005/"
[[rule.threat]]
framework = "MITRE ATT&CK"
[rule.threat.tactic]
id = "TA0002"
name = "Execution"
reference = "https://attack.mitre.org/tactics/TA0002/"