[New Rule] UAC Bypass via Elevated COM Interface - IEditionUpgradeManager (#422)

* [New Rule] UAC Bypass via Elevated COM Interface - ClipUp

* linted

* Update privilege_escalation_uac_bypass_com_clipup.toml

* added tags

* changed rule name

* adjusted rule for more performance

* Update rules/windows/privilege_escalation_uac_bypass_com_clipup.toml

Co-authored-by: David French <56409778+threat-punter@users.noreply.github.com>

* Update rules/windows/privilege_escalation_uac_bypass_com_clipup.toml

Co-authored-by: Brent Murphy <56412096+bm11100@users.noreply.github.com>

Co-authored-by: David French <56409778+threat-punter@users.noreply.github.com>
Co-authored-by: Brent Murphy <56412096+bm11100@users.noreply.github.com>
This commit is contained in:
Samirbous
2020-11-30 20:26:07 +01:00
committed by GitHub
parent d0ba03230a
commit ba0cc7a055
@@ -0,0 +1,44 @@
[metadata]
creation_date = "2020/10/28"
ecs_version = ["1.6.0"]
maturity = "production"
updated_date = "2020/10/28"
[rule]
author = ["Elastic"]
description = """
Identifies attempts to bypass User Account Control (UAC) by abusing an elevated COM Interface to launch a rogue
Windows ClipUp program. Attackers may attempt to bypass UAC to stealthily execute code with elevated permissions.
"""
from = "now-9m"
index = ["winlogbeat-*", "logs-endpoint.events.*"]
language = "eql"
license = "Elastic License"
name = "UAC Bypass Attempt with IEditionUpgradeManager Elevated COM Interface"
references = ["https://github.com/hfiref0x/UACME"]
risk_score = 71
rule_id = "b90cdde7-7e0d-4359-8bf0-2c112ce2008a"
severity = "high"
tags = ["Elastic", "Host", "Windows", "Threat Detection", "Privilege Escalation"]
type = "eql"
query = '''
process where event.type in ("start", "process_started", "info") and process.name == "Clipup.exe" and
process.executable != "C:\\Windows\\System32\\ClipUp.exe" and process.parent.name == "dllhost.exe" and
/* CLSID of the Elevated COM Interface IEditionUpgradeManager */
wildcard(process.parent.args,"/Processid:{BD54C901-076B-434E-B6C7-17C531F4AB41}")
'''
[[rule.threat]]
framework = "MITRE ATT&CK"
[[rule.threat.technique]]
id = "T1088"
name = "Bypass User Account Control"
reference = "https://attack.mitre.org/techniques/T1088/"
[rule.threat.tactic]
id = "TA0004"
name = "Privilege Escalation"
reference = "https://attack.mitre.org/tactics/TA0004/"