Justin Ibarra
3311168e28
* Expand timestamp_override tests
* removed timestamp_override from eql sequence rules
* add config entry for eql rules with beats index and t_o
* add timestamp_override to missing fields
Removed changes from:
- rules/cross-platform/impact_hosts_file_modified.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 6bdfddac8e)
58 lines
1.9 KiB
TOML
58 lines
1.9 KiB
TOML
[metadata]
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creation_date = "2021/01/19"
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maturity = "production"
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updated_date = "2022/03/31"
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[rule]
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author = ["Elastic"]
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description = """
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Identifies suspicious child processes of the Java interpreter process. This may indicate an attempt to execute a
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malicious JAR file or an exploitation attempt via a JAVA specific vulnerability.
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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 = "Suspicious JAVA Child Process"
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note = """## Config
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If enabling an EQL rule on a non-elastic-agent index (such as beats) for versions <8.2, events will not define `event.ingested` and default fallback for EQL rules was not added until 8.2, so you will need to add a custom pipeline to populate `event.ingested` to @timestamp for this rule to work.
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"""
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references = [
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"https://www.lunasec.io/docs/blog/log4j-zero-day/",
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"https://github.com/christophetd/log4shell-vulnerable-app",
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"https://www.blackhat.com/docs/us-16/materials/us-16-Munoz-A-Journey-From-JNDI-LDAP-Manipulation-To-RCE.pdf",
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]
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risk_score = 47
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rule_id = "8acb7614-1d92-4359-bfcf-478b6d9de150"
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severity = "medium"
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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 = "eql"
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query = '''
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process where event.type in ("start", "process_started") and
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process.parent.name : "java" and
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process.name : ("sh", "bash", "dash", "ksh", "tcsh", "zsh", "curl", "wget")
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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 = "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.technique.subtechnique]]
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id = "T1059.007"
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name = "JavaScript"
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reference = "https://attack.mitre.org/techniques/T1059/007/"
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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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