Terrance DeJesus
e8c39d19a7
* initial commit with eggshell mitre mapping added * adding updated rules * [Rule Tuning] MITRE for GCP rules I've added Mitre references for the 4 GCP rules missing. Changed 3 of the rules from "Impact" to "Defense Evasion" based on the technique used and it's matched tactic. * [Rule Tuning] Endgame Rule name updates for Mitre Updated Endgame rule names for those with Mitre tactics to match the tactics. * Update rules/integrations/aws/persistence_redshift_instance_creation.toml Co-authored-by: Jonhnathan <jonhnathancesar@gmail.com> * Update rules/integrations/aws/exfiltration_rds_snapshot_restored.toml Co-authored-by: Jonhnathan <jonhnathancesar@gmail.com> * adding 10 updated rules for google_workspace, ml and o365 * adding 22 rule updates for mitre att&ck mappings * adding 24 rule updates related mainly to ML rules * adding 3 rules related to detection via ML * adding adjustments * adding adjustments with solutions to recent pytest errors * removed tabs from tags * adjusted mappings and added techniques * adjusted endgame rule mappings per review * adjusted names to match different tactics * added execution and defense evasion tag * adjustments to address errors from merging with main * added newlines to rules missing them at the end of the file Co-authored-by: imays11 <59296946+imays11@users.noreply.github.com> Co-authored-by: Jonhnathan <jonhnathancesar@gmail.com>
44 lines
1.2 KiB
TOML
44 lines
1.2 KiB
TOML
[metadata]
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creation_date = "2021/01/12"
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maturity = "production"
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updated_date = "2022/07/05"
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[rule]
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author = ["Elastic"]
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description = "Identifies the execution of and EggShell Backdoor. EggShell is a known post exploitation tool for macOS and Linux."
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from = "now-9m"
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index = ["auditbeat-*", "logs-endpoint.events.*"]
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language = "kuery"
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license = "Elastic License v2"
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name = "EggShell Backdoor Execution"
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references = ["https://github.com/neoneggplant/EggShell"]
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risk_score = 73
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rule_id = "41824afb-d68c-4d0e-bfee-474dac1fa56e"
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severity = "high"
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tags = ["Elastic", "Host", "Linux", "macOS", "Threat Detection", "Execution"]
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timestamp_override = "event.ingested"
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type = "query"
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query = '''
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event.category:process and event.type:(start or process_started) and process.name:espl and process.args:eyJkZWJ1ZyI6*
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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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name = "Command and Scripting Interpreter"
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reference = "https://attack.mitre.org/techniques/T1059/"
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id = "T1059"
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[[rule.threat.technique.subtechnique]]
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id = "T1059.006"
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name = "Python"
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reference = "https://attack.mitre.org/techniques/T1059/006/"
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[rule.threat.tactic]
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name = "Execution"
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reference = "https://attack.mitre.org/tactics/TA0002/"
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id = "TA0002"
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