Justin Ibarra
43 lines
1.1 KiB
TOML
43 lines
1.1 KiB
TOML
[metadata]
|
|
creation_date = "2020/04/16"
|
|
ecs_version = ["1.6.0"]
|
|
maturity = "production"
|
|
updated_date = "2020/11/03"
|
|
|
|
[rule]
|
|
author = ["Elastic"]
|
|
description = """
|
|
Identifies when a terminal (tty) is spawned via Perl. Attackers may upgrade a simple reverse shell to a fully
|
|
interactive tty after obtaining initial access to a host.
|
|
"""
|
|
from = "now-9m"
|
|
index = ["auditbeat-*", "logs-endpoint.events.*"]
|
|
language = "kuery"
|
|
license = "Elastic License"
|
|
name = "Interactive Terminal Spawned via Perl"
|
|
risk_score = 73
|
|
rule_id = "05e5a668-7b51-4a67-93ab-e9af405c9ef3"
|
|
severity = "high"
|
|
tags = ["Elastic", "Host", "Linux", "Threat Detection", "Execution"]
|
|
type = "query"
|
|
|
|
query = '''
|
|
event.category:process and event.type:(start or process_started) and process.name:perl and
|
|
process.args:("exec \"/bin/sh\";" or "exec \"/bin/dash\";" or "exec \"/bin/bash\";")
|
|
'''
|
|
|
|
|
|
[[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.tactic]
|
|
id = "TA0002"
|
|
name = "Execution"
|
|
reference = "https://attack.mitre.org/tactics/TA0002/"
|
|
|