Files
sigma-rules/rules/cross-platform/execution_suspicious_java_netcon_childproc.toml
T
Terrance DeJesus 4312d8c958 [FR] Add Endpoint, APM and Windows Integration Tags to Rules and Supportability (#2429)
* initial commit

* addressing flake errors

* added apm to _get_packagted_integrations logic

* addressed flake errors

* adjusted integration schema and updated rules to be a list

* updated several rules and removed a unit test

* updated rules with logs-* only index patterns

* Update tests/test_all_rules.py

Co-authored-by: Mika Ayenson <Mikaayenson@users.noreply.github.com>

* addressed flake errors

* integration is none is windows, endpoint or apm

* adding rules with accepted incoming changes from main

* fixed tag and tactic alignment errors from unit testing

* adjusted unit testing logic for integration tags; added more exclusion rules

* adjusted test_integration logic to be rule resistent and skip if -8.3

* adjusted comments for unit test skip

* fixed merge conflicts from main

* changing test_integration_tag to remove logic for rule version comparisons

* added integration tag to new rule

* adjusted rules updated_date value

* ignore guided onboarding rule in unit tests

* added integration tag to new rule

Co-authored-by: Mika Ayenson <Mikaayenson@users.noreply.github.com>
2023-01-04 09:30:07 -05:00

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 = "2022/12/14"
[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 = ["Elastic", "Host", "Linux", "macOS", "Threat Detection", "Execution"]
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/"