Jonhnathan
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>
62 lines
2.1 KiB
TOML
62 lines
2.1 KiB
TOML
[metadata]
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creation_date = "2020/12/07"
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integration = ["endpoint"]
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maturity = "production"
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min_stack_comments = "New fields added: required_fields, related_integrations, setup"
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min_stack_version = "8.3.0"
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updated_date = "2023/06/22"
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[rule]
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author = ["Elastic"]
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description = """
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Detects modification of a Folder Action script. A Folder Action script is executed when the folder to which it is
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attached has items added or removed, or when its window is opened, closed, moved, or resized. Adversaries may abuse this
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feature to establish persistence by utilizing a malicious script.
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"""
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from = "now-9m"
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index = ["auditbeat-*", "logs-endpoint.events.*"]
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language = "eql"
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license = "Elastic License v2"
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name = "Persistence via Folder Action Script"
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references = ["https://posts.specterops.io/folder-actions-for-persistence-on-macos-8923f222343d"]
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risk_score = 47
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rule_id = "c292fa52-4115-408a-b897-e14f684b3cb7"
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severity = "medium"
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tags = ["Domain: Endpoint", "OS: macOS", "Use Case: Threat Detection", "Tactic: Execution", "Tactic: Persistence"]
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type = "eql"
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query = '''
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sequence by host.id with maxspan=5s
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[process where host.os.type == "macos" and event.type in ("start", "process_started", "info") and process.name == "com.apple.foundation.UserScriptService"] by process.pid
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[process where host.os.type == "macos" and event.type in ("start", "process_started") and process.name in ("osascript", "python", "tcl", "node", "perl", "ruby", "php", "bash", "csh", "zsh", "sh") and
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not process.args : "/Users/*/Library/Application Support/iTerm2/Scripts/AutoLaunch/*.scpt"
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] by process.parent.pid
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'''
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[[rule.threat]]
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framework = "MITRE ATT&CK"
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[[rule.threat.technique]]
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id = "T1037"
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name = "Boot or Logon Initialization Scripts"
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reference = "https://attack.mitre.org/techniques/T1037/"
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[rule.threat.tactic]
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id = "TA0003"
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name = "Persistence"
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reference = "https://attack.mitre.org/tactics/TA0003/"
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[[rule.threat]]
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framework = "MITRE ATT&CK"
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[[rule.threat.technique]]
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id = "T1059"
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name = "Command and Scripting Interpreter"
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reference = "https://attack.mitre.org/techniques/T1059/"
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[rule.threat.tactic]
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id = "TA0002"
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name = "Execution"
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reference = "https://attack.mitre.org/tactics/TA0002/"
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