Justin Ibarra
44 lines
1.2 KiB
TOML
44 lines
1.2 KiB
TOML
[metadata]
|
|
creation_date = "2020/09/02"
|
|
ecs_version = ["1.6.0"]
|
|
maturity = "production"
|
|
updated_date = "2020/09/02"
|
|
|
|
[rule]
|
|
author = ["Elastic"]
|
|
description = """
|
|
Identifies MsBuild.exe making outbound network connections. This may indicate adversarial activity as MsBuild is often
|
|
leveraged by adversaries to execute code and evade detection.
|
|
"""
|
|
from = "now-9m"
|
|
index = ["logs-endpoint.events.*", "winlogbeat-*"]
|
|
language = "eql"
|
|
license = "Elastic License"
|
|
name = "MsBuild Network Connection Sequence"
|
|
risk_score = 21
|
|
rule_id = "9dc6ed5d-62a9-4feb-a903-fafa1d33b8e9"
|
|
severity = "medium"
|
|
tags = ["Elastic", "Windows"]
|
|
type = "eql"
|
|
|
|
query = '''
|
|
sequence by process.entity_id
|
|
[process where event.type in ("start", "process_started") and process.name == "MSBuild.exe"]
|
|
[network where process.name == "MSBuild.exe" and
|
|
not (destination.address == "127.0.0.1" and source.address == "127.0.0.1")]
|
|
'''
|
|
|
|
|
|
[[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/"
|