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>
61 lines
1.9 KiB
TOML
61 lines
1.9 KiB
TOML
[metadata]
|
||
creation_date = "2020/12/18"
|
||
maturity = "production"
|
||
updated_date = "2021/08/25"
|
||
|
||
[rule]
|
||
author = ["Elastic"]
|
||
description = """
|
||
Finder Sync plugins enable users to extend Finder’s functionality by modifying the user interface. Adversaries may abuse
|
||
this feature by adding a rogue Finder Plugin to repeatedly execute malicious payloads for persistence.
|
||
"""
|
||
false_positives = ["Trusted Finder Sync Plugins"]
|
||
from = "now-9m"
|
||
index = ["auditbeat-*", "logs-endpoint.events.*"]
|
||
language = "eql"
|
||
license = "Elastic License v2"
|
||
name = "Finder Sync Plugin Registered and Enabled"
|
||
references = [
|
||
"""
|
||
https://github.com/specterops/presentations/raw/master/Leo%20Pitt/Hey_Im_Still_in_Here_Modern_macOS_Persistence_SO-CON2020.pdf
|
||
""",
|
||
]
|
||
risk_score = 47
|
||
rule_id = "37f638ea-909d-4f94-9248-edd21e4a9906"
|
||
severity = "medium"
|
||
tags = ["Elastic", "Host", "macOS", "Threat Detection", "Persistence"]
|
||
type = "eql"
|
||
|
||
query = '''
|
||
sequence by host.id, user.id with maxspan = 5s
|
||
[process where event.type in ("start", "process_started") and process.name : "pluginkit" and process.args : "-a"]
|
||
[process where event.type in ("start", "process_started") and process.name : "pluginkit" and
|
||
process.args : "-e" and process.args : "use" and process.args : "-i" and
|
||
not process.args :
|
||
(
|
||
"com.google.GoogleDrive.FinderSyncAPIExtension",
|
||
"com.google.drivefs.findersync",
|
||
"com.boxcryptor.osx.Rednif",
|
||
"com.adobe.accmac.ACCFinderSync",
|
||
"com.microsoft.OneDrive.FinderSync",
|
||
"com.insynchq.Insync.Insync-Finder-Integration",
|
||
"com.box.desktop.findersyncext"
|
||
)
|
||
]
|
||
'''
|
||
|
||
|
||
[[rule.threat]]
|
||
framework = "MITRE ATT&CK"
|
||
[[rule.threat.technique]]
|
||
id = "T1543"
|
||
name = "Create or Modify System Process"
|
||
reference = "https://attack.mitre.org/techniques/T1543/"
|
||
|
||
|
||
[rule.threat.tactic]
|
||
id = "TA0003"
|
||
name = "Persistence"
|
||
reference = "https://attack.mitre.org/tactics/TA0003/"
|
||
|