A new version of MacSync is using a longer, more complex infection chain to install an information stealer and a backdoor on macOS devices. Kaspersky researchers first spotted the variant in September 2026. Unlike earlier versions built largely around AppleScript, it uses binary droppers and final payloads written in Swift and Objective-C. MacSync... Weiterlesen
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MacSync’s New Infection Chain Shows How Mac Malware Is Becoming More Sophisticated
A new version of MacSync is using a longer, more complex infection chain to install an information stealer and a backdoor on macOS devices. Kaspersky researchers first spotted the variant in September 2026. Unlike earlier versions built…
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Syntax validiert (0 Fehler)
title: Detect Exploitation - MacSync’s New Infection Chain Shows How Mac Malware Is Becoming More Sophisticated
id: 67f46cbc-cc1a-4049-bff2-a9d836d7c6a0
status: experimental
description: Automatisch generierte SIEM-Erkennungsregel basierend auf CTI Intelligence
references:
- https://tsecurity.de/
author: iShareStuff CTI Automated Detection Engine
date: 2026-09-25
logsource:
category: network_connection
product: any
detection:
selection:
CommandLine|contains:
- 'exploit'
condition: selection
falsepositives:
- Legitime administrative Zugriffe oder Penetrationstests
level: high
tags:
- attack.initial_accessSyntax validiert (0 Fehler)
rule CTI_Threat_Indicator {
meta:
author = "iShareStuff CTI Automated Detection Engine"
date = "2026-09-25"
description = "YARA Signature for "
strings:
$str = "MacSync’s New Infection Chain " ascii wide
condition:
any of them
}Syntax validiert (0 Fehler)
index=security sourcetype IN ("cisco:asa", "pan:traffic", "zeek_conn", "suricata", "WinEventLog:Security")
("MacSyncs New Infection Chain Shows How M")
| 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 - countSyntax validiert (0 Fehler)
message: "*MacSyncs New Infection Chain Shows How M*"Syntax validiert (0 Fehler)
CommonSecurityLog
| where Message has "MacSyncs New Infection Chain Shows How M"
| summarize EventCount = count(), FirstSeen = min(TimeGenerated), LastSeen = max(TimeGenerated) by SourceIP, DestinationIP, DestinationPort, Activity
| extend DetectionRule = "iShareStuff-CTI-Compiled"
| sort by EventCount desc2. Cyber Threat Intelligence & Forensik
CTI Threat Relationship Graph2 Knoten / 1 Relationen
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Reconnaissance
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Resource Development
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Initial Access
Execution
Persistence
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Privilege Escalation
Defense Evasion
Credential Access
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Discovery
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Lateral Movement
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Collection
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Command and Control
Exfiltration
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Impact
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Kognitive Analyse für identifizierte Bedrohung: Erhöhte Bedrohungslage im Bereich MacSync’s New Infection Chain Shows How .... Basierend auf 368k Vektor-Korrelationen werden sofortige Isolationsmaßnahmen für betroffene Endpunkte empfohlen.
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