8049c96281
* [New Rule] New BBR Rules - Part 1 * Apply suggestions from code review Co-authored-by: Ruben Groenewoud <78494512+Aegrah@users.noreply.github.com> * Update rules_building_block/lateral_movement_at.toml * Update rules_building_block/collection_outlook_email_archive.toml Co-authored-by: Justin Ibarra <16747370+brokensound77@users.noreply.github.com> --------- Co-authored-by: Ruben Groenewoud <78494512+Aegrah@users.noreply.github.com> Co-authored-by: Justin Ibarra <16747370+brokensound77@users.noreply.github.com>
57 lines
1.8 KiB
TOML
57 lines
1.8 KiB
TOML
[metadata]
|
|
creation_date = "2023/08/21"
|
|
integration = ["endpoint"]
|
|
maturity = "production"
|
|
min_stack_comments = "New fields added: required_fields, related_integrations, setup"
|
|
min_stack_version = "8.3.0"
|
|
updated_date = "2023/08/21"
|
|
|
|
[rule]
|
|
author = ["Elastic"]
|
|
description = """
|
|
Attackers may try to access private keys, e.g. ssh, in order to gain further authenticated access to the environment.
|
|
"""
|
|
from = "now-119m"
|
|
interval = "60m"
|
|
index = ["logs-endpoint.events.*"]
|
|
language = "eql"
|
|
license = "Elastic License v2"
|
|
name = "Attempted Private Key Access"
|
|
risk_score = 21
|
|
rule_id = "c55badd3-3e61-4292-836f-56209dc8a601"
|
|
severity = "low"
|
|
tags = ["Domain: Endpoint", "OS: Windows", "Use Case: Threat Detection", "Tactic: Credential Access", "Data Source: Elastic Defend", "Rule Type: BBR"]
|
|
timestamp_override = "event.ingested"
|
|
type = "eql"
|
|
building_block_type = "default"
|
|
|
|
query = '''
|
|
process where host.os.type == "windows" and event.type == "start" and process.args : ("*.pem*", "*.id_rsa*") and
|
|
not process.executable : (
|
|
"?:\\ProgramData\\Logishrd\\LogiOptions\\Software\\*\\LogiLuUpdater.exe",
|
|
"?:\\Program Files\\Logi\\LogiBolt\\LogiBoltUpdater.exe",
|
|
"?:\\Windows\\system32\\icacls.exe",
|
|
"?:\\Program Files\\Splunk\\bin\\openssl.exe",
|
|
"?:\\Program Files\\Elastic\\Agent\\data\\*\\components\\osqueryd.exe",
|
|
"?:\\Windows\\System32\\OpenSSH\\*"
|
|
)
|
|
'''
|
|
|
|
[[rule.threat]]
|
|
framework = "MITRE ATT&CK"
|
|
[[rule.threat.technique]]
|
|
id = "T1552"
|
|
name = "Unsecured Credentials"
|
|
reference = "https://attack.mitre.org/techniques/T1552/"
|
|
[[rule.threat.technique.subtechnique]]
|
|
id = "T1552.004"
|
|
name = "Private Keys"
|
|
reference = "https://attack.mitre.org/techniques/T1552/004/"
|
|
|
|
|
|
|
|
[rule.threat.tactic]
|
|
id = "TA0006"
|
|
name = "Credential Access"
|
|
reference = "https://attack.mitre.org/tactics/TA0006/"
|