Files
sigma-rules/rules/windows/privilege_escalation_wpad_exploitation.toml
T
Jonhnathan 4233fef238 [Security Content] Include "Data Source: Elastic Defend" tag (#3002)
* win folder

* Other folders

* Update test_all_rules.py

* .

* updated missing elastic defend tags

---------

Co-authored-by: terrancedejesus <terrance.dejesus@elastic.co>
2023-09-05 14:22:01 -04:00

56 lines
2.1 KiB
TOML

[metadata]
creation_date = "2020/09/02"
integration = ["endpoint"]
maturity = "development"
updated_date = "2023/06/22"
[rule]
author = ["Elastic"]
description = """
Identifies probable exploitation of the Web Proxy Auto-Discovery Protocol (WPAD) service. Attackers who have access to
the local network or upstream DNS traffic can inject malicious JavaScript to the WPAD service which can lead to a full
system compromise.
"""
from = "now-9m"
index = ["logs-endpoint.events.*"]
language = "eql"
license = "Elastic License v2"
name = "WPAD Service Exploit"
risk_score = 73
rule_id = "ec328da1-d5df-482b-866c-4a435692b1f3"
severity = "high"
tags = ["Domain: Endpoint", "OS: Windows", "Use Case: Threat Detection", "Tactic: Privilege Escalation", "Data Source: Elastic Defend"]
type = "eql"
query = '''
/* preference would be to use user.sid rather than domain+name, once it is available in ECS + datasources */
/* didn't trigger successfully during testing */
sequence with maxspan=5s
[process where host.os.type == "windows" and event.type == "start" and process.name : "svchost.exe" and
user.domain : "NT AUTHORITY" and user.name : "LOCAL SERVICE"] by process.entity_id
[network where host.os.type == "windows" and network.protocol : "dns" and process.name : "svchost.exe" and
dns.question.name : "wpad" and process.name : "svchost.exe"] by process.entity_id
[network where host.os.type == "windows" and process.name : "svchost.exe"
and network.direction : ("outgoing", "egress") and destination.port == 80] by process.entity_id
[library where host.os.type == "windows" and event.type : "start" and process.name : "svchost.exe" and
dll.name : "jscript.dll" and process.name : "svchost.exe"] by process.entity_id
[process where host.os.type == "windows" and event.type == "start" and
process.parent.name : "svchost.exe"] by process.parent.entity_id
'''
[[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/"