Colson Wilhoit
150ff0502e
* Linux Shell Evasion Rule Tuning * Update execution_python_tty_shell.toml * Update rules/linux/execution_apt_binary.toml Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com> * Update rules/linux/execution_apt_binary.toml * Update rules/linux/execution_awk_binary_shell.toml Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com> * Update rules/linux/execution_awk_binary_shell.toml * Update rules/linux/execution_c89_c99_binary.toml Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com> * Update rules/linux/execution_c89_c99_binary.toml * Update rules/linux/execution_cpulimit_binary.toml Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com> * Update rules/linux/execution_cpulimit_binary.toml * Update rules/linux/execution_expect_binary.toml Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com> * Update rules/linux/execution_expect_binary.toml Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com> * Update rules/linux/execution_expect_binary.toml * Update rules/linux/execution_find_binary.toml Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com> * Update rules/linux/execution_find_binary.toml * Update rules/linux/execution_gcc_binary.toml Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com> * Update rules/linux/execution_gcc_binary.toml * Update rules/linux/execution_mysql_binary.toml Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com> * Update rules/linux/execution_mysql_binary.toml * Update rules/linux/execution_nice_binary.toml Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com> * Update rules/linux/execution_nice_binary.toml * Update rules/linux/execution_ssh_binary.toml Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com> * Update rules/linux/execution_ssh_binary.toml * Update execution_perl_tty_shell.toml * Update execution_python_tty_shell.toml * Update rules/linux/execution_apt_binary.toml Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com> * Update rules/linux/execution_awk_binary_shell.toml Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com> * Update rules/linux/execution_c89_c99_binary.toml Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com> * Update rules/linux/execution_cpulimit_binary.toml Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com> * Update rules/linux/execution_expect_binary.toml Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com> * Update rules/linux/execution_find_binary.toml Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com> * Update rules/linux/execution_gcc_binary.toml Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com> * Update rules/linux/execution_mysql_binary.toml Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com> * Update rules/linux/execution_nice_binary.toml Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com> * Update rules/linux/execution_ssh_binary.toml Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com> Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com>
63 lines
2.0 KiB
TOML
63 lines
2.0 KiB
TOML
[metadata]
|
|
creation_date = "2020/06/05"
|
|
maturity = "production"
|
|
updated_date = "2021/07/20"
|
|
integration = "aws"
|
|
|
|
[rule]
|
|
author = ["Elastic"]
|
|
description = """
|
|
Identifies the creation of a group in AWS Identity and Access Management (IAM). Groups specify permissions for multiple
|
|
users. Any user in a group automatically has the permissions that are assigned to the group.
|
|
"""
|
|
false_positives = [
|
|
"""
|
|
A group may be created by a system or network administrator. Verify whether the user identity, user agent, and/or
|
|
hostname should be making changes in your environment. Group creations by unfamiliar users or hosts should be
|
|
investigated. If known behavior is causing false positives, it can be exempted from the rule.
|
|
""",
|
|
]
|
|
from = "now-60m"
|
|
index = ["filebeat-*", "logs-aws*"]
|
|
interval = "10m"
|
|
language = "kuery"
|
|
license = "Elastic License v2"
|
|
name = "AWS IAM Group Creation"
|
|
note = """## Config
|
|
|
|
The AWS Fleet integration, Filebeat module, or similarly structured data is required to be compatible with this rule."""
|
|
references = [
|
|
"https://awscli.amazonaws.com/v2/documentation/api/latest/reference/iam/create-group.html",
|
|
"https://docs.aws.amazon.com/IAM/latest/APIReference/API_CreateGroup.html",
|
|
]
|
|
risk_score = 21
|
|
rule_id = "169f3a93-efc7-4df2-94d6-0d9438c310d1"
|
|
severity = "low"
|
|
tags = ["Elastic", "Cloud", "AWS", "Continuous Monitoring", "SecOps", "Identity and Access"]
|
|
timestamp_override = "event.ingested"
|
|
type = "query"
|
|
|
|
query = '''
|
|
event.dataset:aws.cloudtrail and event.provider:iam.amazonaws.com and event.action:CreateGroup and event.outcome:success
|
|
'''
|
|
|
|
|
|
[[rule.threat]]
|
|
framework = "MITRE ATT&CK"
|
|
[[rule.threat.technique]]
|
|
id = "T1136"
|
|
name = "Create Account"
|
|
reference = "https://attack.mitre.org/techniques/T1136/"
|
|
[[rule.threat.technique.subtechnique]]
|
|
id = "T1136.003"
|
|
name = "Cloud Account"
|
|
reference = "https://attack.mitre.org/techniques/T1136/003/"
|
|
|
|
|
|
|
|
[rule.threat.tactic]
|
|
id = "TA0003"
|
|
name = "Persistence"
|
|
reference = "https://attack.mitre.org/tactics/TA0003/"
|
|
|