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>
48 lines
1.4 KiB
TOML
48 lines
1.4 KiB
TOML
[metadata]
|
|
creation_date = "2021/01/12"
|
|
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 and EggShell Backdoor. EggShell is a known post exploitation tool for macOS and Linux."
|
|
from = "now-9m"
|
|
index = ["auditbeat-*", "logs-endpoint.events.*"]
|
|
language = "kuery"
|
|
license = "Elastic License v2"
|
|
name = "EggShell Backdoor Execution"
|
|
references = ["https://github.com/neoneggplant/EggShell"]
|
|
risk_score = 73
|
|
rule_id = "41824afb-d68c-4d0e-bfee-474dac1fa56e"
|
|
severity = "high"
|
|
tags = ["Domain: Endpoint", "OS: Linux", "OS: macOS", "Use Case: Threat Detection", "Tactic: Execution"]
|
|
timestamp_override = "event.ingested"
|
|
type = "query"
|
|
|
|
query = '''
|
|
event.category:process and event.type:(start or process_started) and process.name:espl and process.args:eyJkZWJ1ZyI6*
|
|
'''
|
|
|
|
|
|
[[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.technique.subtechnique]]
|
|
id = "T1059.006"
|
|
name = "Python"
|
|
reference = "https://attack.mitre.org/techniques/T1059/006/"
|
|
|
|
|
|
|
|
[rule.threat.tactic]
|
|
id = "TA0002"
|
|
name = "Execution"
|
|
reference = "https://attack.mitre.org/tactics/TA0002/"
|
|
|