STANDARD — Regulärer Patch-Zyklus ~2 Min. (213 W.)

Deep Tech

Announcement: r/security is now closed down and will be re-launched soon.

Angriffsfläche

Enterprise IT / Cloud Infrastruktur

Exploit-Status

Geringe Ausnutzungswahrscheinlichkeit / Keine aktiven Kampagnen

Sofortmaßnahme

Asset-Inventar prüfen & Upstream-Advisory überwachen

Recently, the mods of r/security and r/cybersecurity opened up a dialogue with you about what each subreddit should be used for and how we could best serve your interests. The feedback was nearly unanimous- cybersecurity content should be posted on r/cybersecurity and related content from r/security should be pointed there- effectively merging the subs without removing the existing content from here.

Today, after a few delays, that's what we're doing.

Tomorrow, March 21 (to give you time to finish up any current conversations, etc), r/security will be put in a "read only" state to preserve the existing content, and we would like to invite you to subscribe, post, and interact over at r/cybersecurity. Earlier today, we implemented the same rule set over there that was in place here, and will be taking measures to ensure the content on the consolidated subreddit is high quality and relevant to your interests. That's a work in progress.

Eventually, r/security will be re-born as a more general security-focused subreddit; we're still working out the details on that one, but we think you'll like it.

Thanks for the important work you all do. Stay safe!

submitted by /u/CDSEChris
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1. Sofort-Triage & Abwehrmaßnahmen

IR-PLAYBOOK-VULN-REMEDIATIONMEDIUM

Schritte anzeigen

SOC Incident Playbook: Vulnerability Remediation & Verification

Asset Inventory

Asset-Datenbank nach betroffenen Komponenten, Versionen und exposed Ports abfragen.

nmap -sV --script vuln -p- <target-network>

Exploit MonitoringSofort

SIEM-Regeln und IDS-Signaturen (Snort/Suricata) auf Angriffsversuche schärfen.

tail -f /var/log/suricata/fast.log | grep <cve>

Patch DeploymentSofort

Patch oder offiziellen Workaround gemäß Hersteller-Empfehlung einspielen.

Check Vendor Security Advisory Bulletin

1-Click Detection Engineering: Multi-Dialect SIEM Rules5 Formate

Regeln anzeigen

Syntax validiert (0 Fehler)

title: Detect Exploitation - Announcement: r/security is now closed down and will be re-launched soon. Please use r/cybersecurity for all cybersecurity topics.
id: de5bdcf1-d858-498f-b873-57e45f8742f2
status: experimental
description: Automatisch generierte SIEM-Erkennungsregel basierend auf CTI Intelligence
references:
  - https://tsecurity.de/
author: iShareStuff CTI Automated Detection Engine
date: 2026-09-26
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 = "2026-09-26"
        description = "YARA Signature for "
    strings:
        $str = "Announcement: r/security is no" ascii wide
    condition:
        any of them
}

Syntax validiert (0 Fehler)

index=security sourcetype IN ("cisco:asa", "pan:traffic", "zeek_conn", "suricata", "WinEventLog:Security")
("Announcement rsecurity is now closed dow")
| 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: "*Announcement rsecurity is now closed dow*"

Syntax validiert (0 Fehler)

CommonSecurityLog
| where Message has "Announcement rsecurity is now closed dow"
| summarize EventCount = count(), FirstSeen = min(TimeGenerated), LastSeen = max(TimeGenerated) by SourceIP, DestinationIP, DestinationPort, Activity
| extend DetectionRule = "iShareStuff-CTI-Compiled"
| sort by EventCount desc

2. Cyber Threat Intelligence & Forensik

🎯

MITRE ATT&CK Matrix Navigator 14 Taktiken

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

💡 Tipp: Klicken Sie auf eine TTP, um Gegenmaßnahmen und SIEM-Erkennungsregeln anzuzeigen.Enterprise Matrix v14.1

🚀 Auf tsecurity.de entdecken

◀ VORHERIGER BEITRAG 1 Min

Making Linux a Deep Fryer for Dopamine Receptors [i3, wal, polybar, compton, st]

Linux Tipps & Hardening

NÄCHSTER BEITRAG 1 Min

http://sisprem.santanadolivramento.rs.gov.br/vz.txt

Hacking & PentestingWeiterlesen ▶

Blättern: Pfeiltasten [ ← ] [ → ] · Tasten j / k · mobil: Wischen

Fokus-Vektor:

Kognitive Analyse für identifizierte Bedrohung: Erhöhte Bedrohungslage im Bereich Announcement: r/security is now closed d.... Basierend auf 368k Vektor-Korrelationen werden sofortige Isolationsmaßnahmen für betroffene Endpunkte empfohlen.

🛡️ Angriffsfläche & Exposure

Netzwerk/Remote-Zugriff ohne Vorauthentifizierung möglich.

⚡ Empfohlene Sofortmaßnahmen

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.

🔗 Semantisch verwandte Zero-Days MariaDB 11.7 VEC

Schnell-Prompts für Analysten

⚠️ DEFANGED SANDBOX VIEW (tsecurity.de): Alle Netzwerkindikatoren und URLs wurden neutralisiert (2 Indikatoren entschärft). Nur zur defensiven Analyse!

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')

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Kommentare über Announcement: r/security is now closed down and will be re-launched soon. Please use r/cybersecurity for all cybersecurity topics.

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Sei der Erste, der seine Einschätzung oder PoC zu diesem Thema teilt.

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Echtzeit-Radar & Feeds

👥 Community & Social

🕒 tsecurity.de Such-Trends & Chronologie

Announcement: r/security is now closed down and will be re-launched soon. Please use r/cybersecurity for all cybersecurity topics.

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👥 Community & Social

Announcement: r/security is now closed down and will be re-launched soon. Please use r/cybersecurity for all cybersecurity topics.

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SOC Incident Playbook: Vulnerability Remediation & Verification

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MITRE ATT&CK Matrix Navigator 14 Taktiken

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