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>
86 lines
2.6 KiB
TOML
86 lines
2.6 KiB
TOML
[metadata]
|
|
creation_date = "2021/12/10"
|
|
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 an outbound network connection by JAVA to LDAP, RMI or DNS standard ports followed by a suspicious JAVA child
|
|
processes. This may indicate an attempt to exploit a JAVA/NDI (Java Naming and Directory Interface) injection
|
|
vulnerability.
|
|
"""
|
|
from = "now-9m"
|
|
index = ["auditbeat-*", "logs-endpoint.events.*"]
|
|
language = "eql"
|
|
license = "Elastic License v2"
|
|
name = "Potential JAVA/JNDI Exploitation Attempt"
|
|
references = [
|
|
"https://www.lunasec.io/docs/blog/log4j-zero-day/",
|
|
"https://github.com/christophetd/log4shell-vulnerable-app",
|
|
"https://www.blackhat.com/docs/us-16/materials/us-16-Munoz-A-Journey-From-JNDI-LDAP-Manipulation-To-RCE.pdf",
|
|
"https://www.elastic.co/security-labs/detecting-log4j2-with-elastic-security",
|
|
"https://www.elastic.co/security-labs/analysis-of-log4shell-cve-2021-45046",
|
|
]
|
|
risk_score = 73
|
|
rule_id = "c3f5e1d8-910e-43b4-8d44-d748e498ca86"
|
|
severity = "high"
|
|
tags = ["Domain: Endpoint", "OS: Linux", "OS: macOS", "Use Case: Threat Detection", "Tactic: Execution", "Use Case: Vulnerability"]
|
|
type = "eql"
|
|
|
|
query = '''
|
|
sequence by host.id with maxspan=1m
|
|
[network where event.action == "connection_attempted" and
|
|
process.name : "java" and
|
|
/*
|
|
outbound connection attempt to
|
|
LDAP, RMI or DNS standard ports
|
|
by JAVA process
|
|
*/
|
|
destination.port in (1389, 389, 1099, 53, 5353)] by process.pid
|
|
[process where event.type == "start" and
|
|
|
|
/* Suspicious JAVA child process */
|
|
process.parent.name : "java" and
|
|
process.name : ("sh",
|
|
"bash",
|
|
"dash",
|
|
"ksh",
|
|
"tcsh",
|
|
"zsh",
|
|
"curl",
|
|
"perl*",
|
|
"python*",
|
|
"ruby*",
|
|
"php*",
|
|
"wget")] 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.technique.subtechnique]]
|
|
id = "T1059.007"
|
|
name = "JavaScript"
|
|
reference = "https://attack.mitre.org/techniques/T1059/007/"
|
|
|
|
|
|
[[rule.threat.technique]]
|
|
id = "T1203"
|
|
name = "Exploitation for Client Execution"
|
|
reference = "https://attack.mitre.org/techniques/T1203/"
|
|
|
|
|
|
[rule.threat.tactic]
|
|
id = "TA0002"
|
|
name = "Execution"
|
|
reference = "https://attack.mitre.org/tactics/TA0002/"
|
|
|