Intelligence View
You Now Have No Excuse Not to Install Facebook Messenger on Your iPhone
As if the size it used on an iPhone was Facebook’s biggest problem, the social network this week announced an updated version of its Messenger app that eats up a lot less space on Apple’s smartphones. Facebook has decided to put its iPh…
Facebook has decided to put its iPhone app on a diet last year at the F8 conference as part of a project codenamed LightSpeed. The idea behind the whole thing was to reduce how much storage Messenger requires on an iPhone, especially as its size increased from a little over 8MB back in 2012 to no less than 130MB for the current version.
The simplified version of Messenger, which the social network claims it redeveloped from scratch, reduces the size it requires on an iPhone to just 30MB, while also bringing substantial improvements in terms of speed.
Loads twice as fast as the previous version
Facebook Messenger should now load faster, the social network says, also thanks to its core code being reduced by no less than 84 percent. The app now has onl...
1. Sofort-Triage & Abwehrmaßnahmen
SOC Incident Playbook: Remote Code Execution (RCE) Defense
title: Detect Exploitation - You Now Have No Excuse Not to Install Facebook Messenger on Your iPhone
id: a72680c5-042d-4bb1-b214-19651beaeb4b
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_accessrule CTI_Threat_Indicator {
meta:
author = "iShareStuff CTI Automated Detection Engine"
date = "2026-09-25"
description = "YARA Signature for "
strings:
$str = "You Now Have No Excuse Not to " ascii wide
condition:
any of them
}index=security sourcetype IN ("cisco:asa", "pan:traffic", "zeek_conn", "suricata", "WinEventLog:Security")
("You Now Have No Excuse Not to Install Fa")
| 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 - countmessage: "*You Now Have No Excuse Not to Install Fa*"CommonSecurityLog
| where Message has "You Now Have No Excuse Not to Install Fa"
| 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
MITRE ATT&CK Matrix Navigator 14 Taktiken
tsecurity.de Cognitive Threat RAG
Kognitive Analyse für identifizierte Bedrohung: Erhöhte Bedrohungslage im Bereich You Now Have No Excuse Not to Install Fa.... Basierend auf 368k Vektor-Korrelationen werden sofortige Isolationsmaßnahmen für betroffene Endpunkte empfohlen.
Netzwerk/Remote-Zugriff ohne Vorauthentifizierung möglich.
- 1. Perimeter-Inspektion: Relevante Portfreigaben und exponierte Endpunkte unverzüglich scannen.
- 2. Patch-Applikation: Hersteller-Hotfix einspielen oder betroffene Daemons in isolierte DMZ-Segmente überführen.
- 3. Telemetrie & EDR-Alerts: Prozessaufrufe und Child-Processes auf anomale Shell-Spawns überwachen.
SOCIAL SHARE CARD GENERATOR