[metadata]
creation_date = "2021/01/27"
integration = ["endpoint"]
maturity = "production"
min_stack_comments = "New fields added: required_fields, related_integrations, setup"
min_stack_version = "8.3.0"
updated_date = "2023/02/22"

[rule]
author = ["Elastic"]
description = """
Identifies modification of the dynamic linker preload shared object (ld.so.preload). Adversaries may execute malicious
payloads by hijacking the dynamic linker used to load libraries.
"""
from = "now-9m"
index = ["auditbeat-*", "logs-endpoint.events.*", "endgame-*"]
language = "kuery"
license = "Elastic License v2"
name = "Modification of Dynamic Linker Preload Shared Object"
references = [
    "https://www.anomali.com/blog/rocke-evolves-its-arsenal-with-a-new-malware-family-written-in-golang",
]
risk_score = 47
rule_id = "717f82c2-7741-4f9b-85b8-d06aeb853f4f"
severity = "medium"
tags = ["Elastic", "Host", "Linux", "Threat Detection", "Privilege Escalation", "Elastic Endgame"]
timestamp_override = "event.ingested"
type = "query"

query = '''
event.category:file and host.os.type:linux and not event.type:deletion and file.path:/etc/ld.so.preload
'''


[[rule.threat]]
framework = "MITRE ATT&CK"
[[rule.threat.technique]]
id = "T1574"
name = "Hijack Execution Flow"
reference = "https://attack.mitre.org/techniques/T1574/"
[[rule.threat.technique.subtechnique]]
id = "T1574.006"
name = "Dynamic Linker Hijacking"
reference = "https://attack.mitre.org/techniques/T1574/006/"



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