Binary Proxy Execution via AppVLP

[rule]
description = """
Identifies the execution of a binary via the Application Virtualization Utility. Adversaries may bypass process and
signature-based defenses by proxying execution of malicious content with signed, or otherwise trusted, binaries.
"""
id = "1fe0df3c-89fd-498a-ac50-28f21d7b0f28"
license = "Elastic License v2"
name = "Binary Proxy Execution via AppVLP"
os_list = ["windows"]
reference = ["https://lolbas-project.github.io/lolbas/OtherMSBinaries/Appvlp/"]
version = "1.0.6"

query = '''
process where event.action == "start" and process.parent.name : "AppVLP.exe" and
 not process.executable : ("?:\\Program Files\\*", "?:\\Program Files (x86)\\*") and
 not (process.name : "rundll32.exe" and process.args : ("?:\\Program Files\\*", "?:\\Program Files (x86)\\*")) and
 process.hash.sha256 != "de40cd43ec9934769c830bd3d4bc4a5a3fd5ed0535fa8ce4fdb17be3301fc120"
'''

min_endpoint_version = "7.15.0"
optional_actions = []
[[actions]]
action = "kill_process"
field = "process.entity_id"
state = 0

[[threat]]
framework = "MITRE ATT&CK"
[[threat.technique]]
id = "T1218"
name = "System Binary Proxy Execution"
reference = "https://attack.mitre.org/techniques/T1218/"


[threat.tactic]
id = "TA0005"
name = "Defense Evasion"
reference = "https://attack.mitre.org/tactics/TA0005/"

[internal]
min_endpoint_version = "7.15.0"