Files
sigma-rules/rules/macos/credential_access_mitm_localhost_webproxy.toml
T
Jonhnathan 4233fef238 [Security Content] Include "Data Source: Elastic Defend" tag (#3002)
* win folder

* Other folders

* Update test_all_rules.py

* .

* updated missing elastic defend tags

---------

Co-authored-by: terrancedejesus <terrance.dejesus@elastic.co>
2023-09-05 14:22:01 -04:00

54 lines
1.9 KiB
TOML

[metadata]
creation_date = "2021/01/05"
integration = ["endpoint"]
maturity = "production"
min_stack_comments = "New fields added: required_fields, related_integrations, setup"
min_stack_version = "8.3.0"
updated_date = "2023/06/22"
[rule]
author = ["Elastic"]
description = """
Identifies the use of the built-in networksetup command to configure webproxy settings. This may indicate an attempt to
hijack web browser traffic for credential access via traffic sniffing or redirection.
"""
false_positives = ["Legitimate WebProxy Settings Modification"]
from = "now-9m"
index = ["auditbeat-*", "logs-endpoint.events.*"]
language = "kuery"
license = "Elastic License v2"
name = "WebProxy Settings Modification"
references = [
"https://unit42.paloaltonetworks.com/mac-malware-steals-cryptocurrency-exchanges-cookies/",
"https://objectivebythesea.com/v2/talks/OBTS_v2_Zohar.pdf",
]
risk_score = 47
rule_id = "10a500bb-a28f-418e-ba29-ca4c8d1a9f2f"
severity = "medium"
tags = ["Domain: Endpoint", "OS: macOS", "Use Case: Threat Detection", "Tactic: Credential Access", "Data Source: Elastic Defend"]
timestamp_override = "event.ingested"
type = "query"
query = '''
event.category:process and host.os.type:macos and event.type:start and
process.name : networksetup and process.args : (("-setwebproxy" or "-setsecurewebproxy" or "-setautoproxyurl") and not (Bluetooth or off)) and
not process.parent.executable : ("/Library/PrivilegedHelperTools/com.80pct.FreedomHelper" or
"/Applications/Fiddler Everywhere.app/Contents/Resources/app/out/WebServer/Fiddler.WebUi" or
"/usr/libexec/xpcproxy")
'''
[[rule.threat]]
framework = "MITRE ATT&CK"
[[rule.threat.technique]]
id = "T1539"
name = "Steal Web Session Cookie"
reference = "https://attack.mitre.org/techniques/T1539/"
[rule.threat.tactic]
id = "TA0006"
name = "Credential Access"
reference = "https://attack.mitre.org/tactics/TA0006/"