Detection rules › Elastic
Tccutil Reset via Suspicious Binary
Detects when Tccutils is used to reset the TCC database decisions for a specific service via a suspicious binary.
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Privilege Escalation |
Telemetry coverage
Rule body
[rule]
description = "Detects when Tccutils is used to reset the TCC database decisions for a specific service via a suspicious binary."
id = "addfc3f1-4b1c-4005-9133-f64de1aabe6e"
license = "Elastic License v2"
name = "Tccutil Reset via Suspicious Binary"
os_list = ["macos"]
reference = [
"https://www.virustotal.com/gui/file/748581bf2586b76e9cbe550678dcbebde4ec56d1d9fa6bb8c3877878bc8a8fc2",
]
version = "1.0.4"
query = '''
process where event.type == "start" and event.action == "exec" and process.name == "tccutil" and
process.args like~ "reset" and
(process.parent.name == "osascript" or (process.parent.code_signature.exists == false or process.parent.code_signature.trusted == false))
'''
min_endpoint_version = "8.10.2"
optional_actions = []
[[actions]]
action = "kill_process"
field = "process.entity_id"
state = 0
[[actions]]
action = "kill_process"
field = "process.parent.entity_id"
state = 0
[[threat]]
framework = "MITRE ATT&CK"
[[threat.technique]]
id = "T1548"
name = "Abuse Elevation Control Mechanism"
reference = "https://attack.mitre.org/techniques/T1548/"
[[threat.technique.subtechnique]]
id = "T1548.006"
name = "TCC Manipulation"
reference = "https://attack.mitre.org/techniques/T1548/006/"
[threat.tactic]
id = "TA0005"
name = "Defense Evasion"
reference = "https://attack.mitre.org/tactics/TA0005/"
[internal]
min_endpoint_version = "8.10.2"
Stages and Predicates
Stage 1: process
process where event.type == "start" and event.action == "exec" and process.name == "tccutil" and
process.args like~ "reset" and
(process.parent.name == "osascript" or (process.parent.code_signature.exists == false or process.parent.code_signature.trusted == false))
Indicators
These rows show field, operator, and value matches.