Terrance DeJesus
4312d8c958
* initial commit * addressing flake errors * added apm to _get_packagted_integrations logic * addressed flake errors * adjusted integration schema and updated rules to be a list * updated several rules and removed a unit test * updated rules with logs-* only index patterns * Update tests/test_all_rules.py Co-authored-by: Mika Ayenson <Mikaayenson@users.noreply.github.com> * addressed flake errors * integration is none is windows, endpoint or apm * adding rules with accepted incoming changes from main * fixed tag and tactic alignment errors from unit testing * adjusted unit testing logic for integration tags; added more exclusion rules * adjusted test_integration logic to be rule resistent and skip if -8.3 * adjusted comments for unit test skip * fixed merge conflicts from main * changing test_integration_tag to remove logic for rule version comparisons * added integration tag to new rule * adjusted rules updated_date value * ignore guided onboarding rule in unit tests * added integration tag to new rule Co-authored-by: Mika Ayenson <Mikaayenson@users.noreply.github.com>
71 lines
2.5 KiB
TOML
71 lines
2.5 KiB
TOML
[metadata]
|
|
creation_date = "2020/08/21"
|
|
integration = ["endpoint", "windows"]
|
|
maturity = "production"
|
|
min_stack_comments = "New fields added: required_fields, related_integrations, setup"
|
|
min_stack_version = "8.3.0"
|
|
updated_date = "2022/12/14"
|
|
|
|
[rule]
|
|
author = ["Elastic"]
|
|
description = "Identifies a suspicious parent child process relationship with cmd.exe descending from an unusual process."
|
|
from = "now-9m"
|
|
index = ["winlogbeat-*", "logs-endpoint.events.*", "logs-windows.*", "endgame-*"]
|
|
language = "eql"
|
|
license = "Elastic License v2"
|
|
name = "Unusual Parent Process for cmd.exe"
|
|
note = """## Setup
|
|
|
|
If enabling an EQL rule on a non-elastic-agent index (such as beats) for versions <8.2, events will not define `event.ingested` and default fallback for EQL rules was not added until 8.2, so you will need to add a custom pipeline to populate `event.ingested` to @timestamp for this rule to work.
|
|
"""
|
|
risk_score = 47
|
|
rule_id = "3b47900d-e793-49e8-968f-c90dc3526aa1"
|
|
severity = "medium"
|
|
tags = ["Elastic", "Host", "Windows", "Threat Detection", "Execution", "Elastic Endgame"]
|
|
timestamp_override = "event.ingested"
|
|
type = "eql"
|
|
|
|
query = '''
|
|
process where event.type == "start" and
|
|
process.name : "cmd.exe" and
|
|
process.parent.name : ("lsass.exe",
|
|
"csrss.exe",
|
|
"epad.exe",
|
|
"regsvr32.exe",
|
|
"dllhost.exe",
|
|
"LogonUI.exe",
|
|
"wermgr.exe",
|
|
"spoolsv.exe",
|
|
"jucheck.exe",
|
|
"jusched.exe",
|
|
"ctfmon.exe",
|
|
"taskhostw.exe",
|
|
"GoogleUpdate.exe",
|
|
"sppsvc.exe",
|
|
"sihost.exe",
|
|
"slui.exe",
|
|
"SIHClient.exe",
|
|
"SearchIndexer.exe",
|
|
"SearchProtocolHost.exe",
|
|
"FlashPlayerUpdateService.exe",
|
|
"WerFault.exe",
|
|
"WUDFHost.exe",
|
|
"unsecapp.exe",
|
|
"wlanext.exe" )
|
|
'''
|
|
|
|
|
|
[[rule.threat]]
|
|
framework = "MITRE ATT&CK"
|
|
[[rule.threat.technique]]
|
|
id = "T1059"
|
|
name = "Command and Scripting Interpreter"
|
|
reference = "https://attack.mitre.org/techniques/T1059/"
|
|
|
|
|
|
[rule.threat.tactic]
|
|
id = "TA0002"
|
|
name = "Execution"
|
|
reference = "https://attack.mitre.org/tactics/TA0002/"
|
|
|