[metadata]
creation_date = "2023/08/28"
integration = ["endpoint"]
maturity = "production"
min_stack_comments = "New fields added: required_fields, related_integrations, setup"
min_stack_version = "8.3.0"
updated_date = "2023/08/28"

[rule]
author = ["Elastic"]
description = """
This rule monitors a sequence involving a program compilation event followed by its execution and a subsequent 
alteration of UID permissions to root privileges. This behavior can potentially indicate the execution of a kernel or 
software privilege escalation exploit.
"""
from = "now-9m"
index = ["logs-endpoint.events.*"]
language = "eql"
license = "Elastic License v2"
name = "Potential Privilege Escalation via Recently Compiled Executable"
risk_score = 47
rule_id = "193549e8-bb9e-466a-a7f9-7e783f5cb5a6"
severity = "medium"
tags = ["Domain: Endpoint", "OS: Linux", "Use Case: Threat Detection", "Tactic: Privilege Escalation", "Use Case: Vulnerability", "Data Source: Elastic Defend"]
type = "eql"
query = '''
sequence by host.id with maxspan=1m
  [process where host.os.type == "linux" and event.action == "exec" and event.type == "start" and 
   process.name in ("gcc", "g++", "cc") and user.id != "0"] by process.args
  [file where host.os.type == "linux" and event.action == "creation" and event.type == "creation" and 
   process.name == "ld" and user.id != "0"] by file.name
  [process where host.os.type == "linux" and event.action == "exec" and event.type == "start" and 
   user.id != "0"] by process.name
  [process where host.os.type == "linux" and event.action in ("uid_change", "guid_change") and event.type == "change" and 
   user.id == "0"] by process.name
'''

[[rule.threat]]
framework = "MITRE ATT&CK"

[[rule.threat.technique]]
id = "T1068"
name = "Exploitation for Privilege Escalation"
reference = "https://attack.mitre.org/techniques/T1068/"

[rule.threat.tactic]
id = "TA0004"
name = "Privilege Escalation"
reference = "https://attack.mitre.org/tactics/TA0004/"