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sigma-rules/rules/windows/execution_downloaded_url_file.toml
T
2024-05-23 00:45:10 +05:30

73 lines
1.7 KiB
TOML

[metadata]
creation_date = "2020/09/02"
integration = ["endpoint"]
maturity = "production"
updated_date = "2024/05/21"
[rule]
author = ["Elastic"]
description = """
Identifies .url shortcut files downloaded from outside the local network. These shortcut files are commonly used in
phishing campaigns.
"""
from = "now-9m"
index = ["logs-endpoint.events.file-*"]
language = "eql"
license = "Elastic License v2"
name = "Downloaded URL Files"
risk_score = 21
rule_id = "cd82e3d6-1346-4afd-8f22-38388bbf34cb"
severity = "low"
tags = [
"Domain: Endpoint",
"OS: Windows",
"Use Case: Threat Detection",
"Tactic: Execution",
"Data Source: Elastic Defend",
"Rule Type: BBR",
]
timestamp_override = "event.ingested"
type = "eql"
query = '''
file where host.os.type == "windows" and event.type == "creation" and file.extension == "url"
and file.Ext.windows.zone_identifier > 1 and not process.name : "explorer.exe"
'''
[[rule.threat]]
framework = "MITRE ATT&CK"
[[rule.threat.technique]]
id = "T1204"
name = "User Execution"
reference = "https://attack.mitre.org/techniques/T1204/"
[rule.threat.tactic]
id = "TA0002"
name = "Execution"
reference = "https://attack.mitre.org/tactics/TA0002/"
[[rule.threat]]
framework = "MITRE ATT&CK"
[[rule.threat.technique]]
id = "T1566"
name = "Phishing"
reference = "https://attack.mitre.org/techniques/T1566/"
[[rule.threat.technique.subtechnique]]
id = "T1566.001"
name = "Spearphishing Attachment"
reference = "https://attack.mitre.org/techniques/T1566/001/"
[[rule.threat.technique.subtechnique]]
id = "T1566.002"
name = "Spearphishing Link"
reference = "https://attack.mitre.org/techniques/T1566/002/"
[rule.threat.tactic]
id = "TA0001"
name = "Initial Access"
reference = "https://attack.mitre.org/tactics/TA0001/"