Files
sigma-rules/rules_building_block/discovery_internet_capabilities.toml
T
Jonhnathan 3d647feb8c [Rule Tuning] Windows Misc Tunings (#5740)
* [Rule Tuning] Windows Misc Tunings

* ++

* Update defense_evasion_wsl_child_process.toml

* Update execution_powershell_susp_args_via_winscript.toml

---------

Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com>
2026-02-20 14:11:35 -03:00

69 lines
1.8 KiB
TOML

[metadata]
bypass_bbr_timing = true
creation_date = "2023/07/12"
integration = ["endpoint"]
maturity = "production"
updated_date = "2026/02/19"
[rule]
author = ["Elastic"]
building_block_type = "default"
description = """
Identifies the use of built-in tools attackers can use to check for Internet connectivity on compromised systems. These
results may be used to determine communication capabilities with C2 servers, or to identify routes, redirectors, and
proxy servers.
"""
from = "now-9m"
index = ["logs-endpoint.events.*"]
language = "kuery"
license = "Elastic License v2"
name = "Discovery of Internet Capabilities via Built-in Tools"
risk_score = 21
rule_id = "7f89afef-9fc5-4e7b-bf16-75ffdf27f8db"
severity = "low"
tags = [
"Domain: Endpoint",
"OS: Windows",
"Use Case: Threat Detection",
"Tactic: Discovery",
"Rule Type: BBR",
"Data Source: Elastic Defend",
]
timestamp_override = "event.ingested"
type = "new_terms"
query = '''
host.os.type:windows and event.category:process and event.type:start and
process.name.caseless:("ping.exe" or "tracert.exe" or "pathping.exe") and
not process.args:("127.0.0.1" or "0.0.0.0" or "localhost" or "::1" or 192.168.*) and
process.command_line:*.*
'''
[[rule.threat]]
framework = "MITRE ATT&CK"
[[rule.threat.technique]]
id = "T1016"
name = "System Network Configuration Discovery"
reference = "https://attack.mitre.org/techniques/T1016/"
[[rule.threat.technique.subtechnique]]
id = "T1016.001"
name = "Internet Connection Discovery"
reference = "https://attack.mitre.org/techniques/T1016/001/"
[rule.threat.tactic]
id = "TA0007"
name = "Discovery"
reference = "https://attack.mitre.org/tactics/TA0007/"
[rule.new_terms]
field = "new_terms_fields"
value = ["host.id", "user.id", "process.command_line"]
[[rule.new_terms.history_window_start]]
field = "history_window_start"
value = "now-7d"