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macOS Sequoia 15.2 isn't allowing third-party utilities to make bootable backups

The developer of SuperDuper! says what they think is a bug in macOS Sequoia 15.2 has inadvertently broken how the app can create bootable backups — however, it may not be accidental at all.SuperDuper! app icon amidst hard drives and a Mac k…

Apple iOS & macOS appleinsider.com 17.12.2024, 14:47 Uhr 1 Min. Lesezeit

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The developer of SuperDuper! says what they think is a bug in macOS Sequoia 15.2 has inadvertently broken how the app can create bootable backups — however, it may not be accidental at all.

A stylus, paper drawing of a hard drive, pencil, and external hard drive on a desk with a keyboard.

SuperDuper! app icon amidst hard drives and a Mac keyboard

It's some years since Apple took steps to at least make it harder for people to start up their Macs using external drives. That was a privacy issue, a security issue, and a bit of a pain for anyone who remembers Mac drives failing.

Now according to developer Dave Nanian, Apple has gone further, maybe unintentionally. Nanian is the developer of backup app SuperDuper! and says that since macOS Sequoia 15.2 has changed a feature called the Replicator, his app has been unable to create a bootable backup.

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1 Warnungen

title: Detect Exploitation - macOS Sequoia 15.2 isn't allowing third-party utilities to make bootable backups
id: fbfc3199-734a-4b62-8305-6b26422ab5fb
status: experimental
description: Automatisch generierte SIEM-Erkennungsregel basierend auf CTI Intelligence
references:
  - https://tsecurity.de/
author: iShareStuff CTI Automated Detection Engine
date: 2026-09-24
logsource:
  category: network_connection
  product: any
detection:
  selection:
      CommandLine|contains:
        - 'exploit'
  condition: selection
falsepositives:
  - Legitime administrative Zugriffe oder Penetrationstests
level: high
tags:
  - attack.initial_access

Syntax validiert (0 Fehler)

rule CTI_Threat_Indicator {
    meta:
        author = "iShareStuff CTI Automated Detection Engine"
        date = "2026-09-24"
        description = "YARA Signature for "
    strings:
        $str = "macOS Sequoia 15.2 isn\'t allow" ascii wide
    condition:
        any of them
}

Syntax validiert (0 Fehler)

index=security sourcetype IN ("cisco:asa", "pan:traffic", "zeek_conn", "suricata", "WinEventLog:Security")
("macOS Sequoia 152 isnt allowing third-pa")
| stats count earliest(_time) as first_seen latest(_time) as last_seen by src_ip, dest_ip, dest_host, signature
| eval first_seen=strftime(first_seen, "%Y-%m-%d %H:%M:%S"), last_seen=strftime(last_seen, "%Y-%m-%d %H:%M:%S")
| sort - count

Syntax validiert (0 Fehler)

message: "*macOS Sequoia 152 isnt allowing third-pa*"

Syntax validiert (0 Fehler)

CommonSecurityLog
| where Message has "macOS Sequoia 152 isnt allowing third-pa"
| summarize EventCount = count(), FirstSeen = min(TimeGenerated), LastSeen = max(TimeGenerated) by SourceIP, DestinationIP, DestinationPort, Activity
| extend DetectionRule = "iShareStuff-CTI-Compiled"
| sort by EventCount desc

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Kognitive Analyse für identifizierte Bedrohung: Erhöhte Bedrohungslage im Bereich macOS Sequoia 15.2 isn't allowing third-.... Basierend auf 368k Vektor-Korrelationen werden sofortige Isolationsmaßnahmen für betroffene Endpunkte empfohlen.

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Format: python

#!/usr/bin/env python3
# Exploit Title: PoC for Target
import socket, sys
target = '192[.]168[.]1[.]10'
url = 'hxxp://target[.]local/vuln'
s = socket.socket()
s.connect((target, 80))
s.send(b'GET / HTTP/1.1\r\nHost: target.local\r\n\r\n')