Samirbous
31ca246ea7
* Create execution_initial_access_foxmail_exploit.toml * Update execution_initial_access_foxmail_exploit.toml --------- Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com>
79 lines
2.1 KiB
TOML
79 lines
2.1 KiB
TOML
[metadata]
|
|
creation_date = "2024/08/29"
|
|
integration = ["endpoint", "windows", "system", "sentinel_one_cloud_funnel", "m365_defender"]
|
|
maturity = "production"
|
|
updated_date = "2024/09/16"
|
|
|
|
[rule]
|
|
author = ["Elastic"]
|
|
description = """
|
|
Identifies the Foxmail client spawning a child process with argument pointing to the Foxmail temp directory.
|
|
This may indicate the successful exploitation of a Foxmail vulnerability for initial access and execution via
|
|
a malicious email.
|
|
"""
|
|
from = "now-9m"
|
|
index = [
|
|
"winlogbeat-*",
|
|
"logs-windows.*",
|
|
"endgame-*",
|
|
"logs-system.security*",
|
|
"logs-windows.sysmon_operational-*",
|
|
"logs-sentinel_one_cloud_funnel.*",
|
|
"logs-m365_defender.event-*",
|
|
"logs-endpoint.events.process-*"
|
|
]
|
|
language = "eql"
|
|
license = "Elastic License v2"
|
|
name = "Potential Foxmail Exploitation"
|
|
references = ["https://mp.weixin.qq.com/s/F8hNyESBdKhwXkQPgtGpew"]
|
|
risk_score = 73
|
|
rule_id = "2c6a6acf-0dcb-404d-89fb-6b0327294cfa"
|
|
severity = "high"
|
|
tags = [
|
|
"Domain: Endpoint",
|
|
"OS: Windows",
|
|
"Use Case: Threat Detection",
|
|
"Tactic: Initial Access",
|
|
"Tactic: Execution",
|
|
"Data Source: Elastic Defend",
|
|
"Data Source: Sysmon",
|
|
"Data Source: System",
|
|
"Data Source: Elastic Endgame",
|
|
"Data Source: SentinelOne",
|
|
"Data Source: Microsoft Defender for Endpoint"
|
|
]
|
|
timestamp_override = "event.ingested"
|
|
type = "eql"
|
|
|
|
query = '''
|
|
process where host.os.type == "windows" and event.type == "start" and
|
|
process.parent.name : "Foxmail.exe" and process.args : ("?:\\Users\\*\\AppData\\*", "\\\\*")
|
|
|
|
'''
|
|
|
|
|
|
[[rule.threat]]
|
|
framework = "MITRE ATT&CK"
|
|
[[rule.threat.technique]]
|
|
id = "T1203"
|
|
name = "Exploitation for Client Execution"
|
|
reference = "https://attack.mitre.org/techniques/T1203/"
|
|
|
|
|
|
[rule.threat.tactic]
|
|
id = "TA0002"
|
|
name = "Execution"
|
|
reference = "https://attack.mitre.org/tactics/TA0002/"
|
|
[[rule.threat]]
|
|
framework = "MITRE ATT&CK"
|
|
[[rule.threat.technique]]
|
|
id = "T1189"
|
|
name = "Drive-by Compromise"
|
|
reference = "https://attack.mitre.org/techniques/T1189/"
|
|
|
|
|
|
[rule.threat.tactic]
|
|
id = "TA0001"
|
|
name = "Initial Access"
|
|
reference = "https://attack.mitre.org/tactics/TA0001/"
|