Mika Ayenson
62298d92f4
* Convert config header to setup in note field
* Parse note field into separate setup and note field with marko gfm
* only validate and parse note on elastic authored rules and add CLI description for new DR_BYPASS_NOTE_VALIDATION_AND_PARSE environment variable
Co-authored-by: brokensound77 <brokensound77@users.noreply.github.com>
Removed changes from:
- rules/cross-platform/impact_hosts_file_modified.toml
- rules/integrations/google_workspace/application_added_to_google_workspace_domain.toml
- rules/integrations/google_workspace/domain_added_to_google_workspace_trusted_domains.toml
- rules/integrations/google_workspace/google_workspace_admin_role_deletion.toml
- rules/integrations/google_workspace/google_workspace_mfa_enforcement_disabled.toml
- rules/integrations/google_workspace/google_workspace_policy_modified.toml
- rules/integrations/google_workspace/mfa_disabled_for_google_workspace_organization.toml
- rules/integrations/google_workspace/persistence_google_workspace_admin_role_assigned_to_user.toml
- rules/integrations/google_workspace/persistence_google_workspace_api_access_granted_via_domain_wide_delegation_of_authority.toml
- rules/integrations/google_workspace/persistence_google_workspace_custom_admin_role_created.toml
- rules/integrations/google_workspace/persistence_google_workspace_role_modified.toml
- rules/integrations/kubernetes/execution_user_exec_to_pod.toml
- rules/windows/credential_access_lsass_memdump_file_created.toml
- rules/windows/defense_evasion_adding_the_hidden_file_attribute_with_via_attribexe.toml
- rules/windows/defense_evasion_execution_lolbas_wuauclt.toml
- rules/windows/defense_evasion_suspicious_certutil_commands.toml
- rules/windows/execution_command_shell_started_by_svchost.toml
(selectively cherry picked from commit a52751494e)
61 lines
1.9 KiB
TOML
61 lines
1.9 KiB
TOML
[metadata]
|
|
creation_date = "2020/07/06"
|
|
maturity = "production"
|
|
updated_date = "2021/07/20"
|
|
integration = "aws"
|
|
|
|
[rule]
|
|
author = ["Elastic"]
|
|
description = """
|
|
Identifies the execution of commands and scripts via System Manager. Execution methods such as RunShellScript,
|
|
RunPowerShellScript, and alike can be abused by an authenticated attacker to install a backdoor or to interact with a
|
|
compromised instance via reverse-shell using system only commands.
|
|
"""
|
|
false_positives = [
|
|
"""
|
|
Verify whether the user identity, user agent, and/or hostname should be making changes in your environment.
|
|
Suspicious commands from unfamiliar users or hosts should be investigated. If known behavior is causing false
|
|
positives, it can be exempted from the rule.
|
|
""",
|
|
]
|
|
from = "now-60m"
|
|
index = ["filebeat-*", "logs-aws*"]
|
|
interval = "10m"
|
|
language = "kuery"
|
|
license = "Elastic License v2"
|
|
name = "AWS Execution via System Manager"
|
|
note = """## Setup
|
|
|
|
The AWS Fleet integration, Filebeat module, or similarly structured data is required to be compatible with this rule."""
|
|
references = ["https://docs.aws.amazon.com/systems-manager/latest/userguide/ssm-plugins.html"]
|
|
risk_score = 21
|
|
rule_id = "37b211e8-4e2f-440f-86d8-06cc8f158cfa"
|
|
severity = "low"
|
|
tags = ["Elastic", "Cloud", "AWS", "Continuous Monitoring", "SecOps", "Log Auditing"]
|
|
timestamp_override = "event.ingested"
|
|
type = "query"
|
|
|
|
query = '''
|
|
event.dataset:aws.cloudtrail and event.provider:ssm.amazonaws.com and event.action:SendCommand and event.outcome:success
|
|
'''
|
|
|
|
|
|
[[rule.threat]]
|
|
framework = "MITRE ATT&CK"
|
|
[[rule.threat.technique]]
|
|
id = "T1566"
|
|
name = "Phishing"
|
|
reference = "https://attack.mitre.org/techniques/T1566/"
|
|
[[rule.threat.technique.subtechnique]]
|
|
id = "T1566.002"
|
|
name = "Spearphishing Link"
|
|
reference = "https://attack.mitre.org/techniques/T1566/002/"
|
|
|
|
|
|
|
|
[rule.threat.tactic]
|
|
id = "TA0001"
|
|
name = "Initial Access"
|
|
reference = "https://attack.mitre.org/tactics/TA0001/"
|
|
|