b4c84e8a40
* Update Tags * Bump updated date separately to be easy to revert if needed * Update resource_development_ml_linux_anomalous_compiler_activity.toml * Apply changes from the discussion * Update persistence_init_d_file_creation.toml * Update defense_evasion_timestomp_sysmon.toml * Update defense_evasion_application_removed_from_blocklist_in_google_workspace.toml * Update missing Tactic tags * Update unit tests to match new tags * Add missing IG tags * Delete okta_threat_detected_by_okta_threatinsight.toml * Update command_and_control_google_drive_malicious_file_download.toml * Update persistence_rc_script_creation.toml * Mass bump * Update persistence_shell_activity_by_web_server.toml * . --------- Co-authored-by: Mika Ayenson <Mika.ayenson@elastic.co> Co-authored-by: Mika Ayenson <Mikaayenson@users.noreply.github.com>
50 lines
1.6 KiB
TOML
50 lines
1.6 KiB
TOML
[metadata]
|
|
creation_date = "2020/12/07"
|
|
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 execution of the shell process (sh) via scripting (JXA or AppleScript). Adversaries may use the
|
|
doShellScript functionality in JXA or do shell script in AppleScript to execute system commands.
|
|
"""
|
|
from = "now-9m"
|
|
index = ["auditbeat-*", "logs-endpoint.events.*"]
|
|
language = "eql"
|
|
license = "Elastic License v2"
|
|
name = "Shell Execution via Apple Scripting"
|
|
references = [
|
|
"https://developer.apple.com/library/archive/technotes/tn2065/_index.html",
|
|
"https://objectivebythesea.com/v2/talks/OBTS_v2_Thomas.pdf",
|
|
]
|
|
risk_score = 47
|
|
rule_id = "d461fac0-43e8-49e2-85ea-3a58fe120b4f"
|
|
severity = "medium"
|
|
tags = ["Domain: Endpoint", "OS: macOS", "Use Case: Threat Detection", "Tactic: Execution"]
|
|
type = "eql"
|
|
|
|
query = '''
|
|
sequence by host.id with maxspan=5s
|
|
[process where host.os.type == "macos" and event.type in ("start", "process_started", "info") and process.name == "osascript"] by process.pid
|
|
[process where host.os.type == "macos" and event.type in ("start", "process_started") and process.name == "sh" and process.args == "-c"] by process.parent.pid
|
|
'''
|
|
|
|
|
|
[[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/"
|
|
|