#1679223: REMPAR25: Large-Scale Cyber Crisis Exercise – September 18, 2025

BRI comment: REMPAR25 is a massive cyber crisis exercise scheduled for September 18, 2025, designed to test organizations’ ability to handle systemic cyberattacks. The goal is to improve crisis management, cyber resilience, and business continuity strategies across all sectors.
Description: REMPAR25 is a massive cyber crisis exercise scheduled for September 18, 2025, designed to test organizations’ ability to handle systemic cyberattacks. The goal is to improve crisis management, cyber resilience, and business continuity strategies across all sectors.

Key Objectives:
✔ Test response capabilities against large-scale cyber threats.
✔ Enhance cyber maturity in crisis management.
✔ Evaluate existing security measures.
✔ Open to organizations of all sizes and industries.

Registration & Preparation:
Deadline: May 10, 2025
Preparation Webinars: May–September 2025
Self-Assessment Tool: Evaluate your cyber maturity before joining.
You Should Know: Practical Cyber Crisis Commands & Steps

1. Linux Incident Response Commands
Check active network connections
netstat -tulnp
Monitor processes in real-time
top
Analyze suspicious files with strings
strings /path/to/suspicious/file
Check for rootkits
rkhunter --check
Capture network traffic (save to pcap)
tcpdump -i eth0 -w attack_traffic.pcap
2. Windows Forensic Analysis
List all running processes
Get-Process
Check firewall rules
Get-NetFirewallRule | Select-Object Name, Enabled
Dump event logs for analysis
wevtutil qe Security /f:text
3. Simulating Cyberattack Scenarios (For Training)
NMAP network scan (for vulnerability assessment)
nmap -sV -A target_IP
Metasploit (ethical hacking framework)
msfconsole
use exploit/multi/handler
set payload windows/meterpreter/reverse_tcp
exploit
4. Emergency Mitigation Steps
Isolate infected systems:
ifconfig eth0 down Linux
Disable-NetAdapter -Name "Ethernet" Windows
Block malicious IPs with iptables:
iptables -A INPUT -s MALICIOUS_IP -j DROP
What Undercode Say
Cyber crisis exercises like REMPAR25 are critical for preparing against real-world threats. Organizations must adopt proactive measures, including:

✅ Regular Red Team Drills
✅ Log Monitoring (SIEM Tools)
✅ Automated Incident Response (SOAR)
✅ Backup & Disaster Recovery Plans
Additional Linux Security Commands:
Check SSH login attempts
grep "Failed password" /var/log/auth.log
Verify file integrity (against known hashes)
sha256sum critical_file
Lock down permissions
chmod 600 /etc/shadow
Windows Hardening Tips:
Disable unnecessary services
Stop-Service -Name "RemoteRegistry"
Set-Service -Name "RemoteRegistry" -StartupType Disabled
Stay ahead of cyber threats by participating in REMPAR25 and continuously testing defenses.

Expected Output:
Incident response logs
Network traffic analysis (PCAP files)
Forensic reports (memory dumps, event logs)
Post-exercise remediation steps
Official Link: REMPAR25 Registration

References:
Reported By: Cyberveille Rempar – Hackers Feeds
Extra Hub: Undercode MoN
Basic Verification: Pass
More info: https://undercodetesting.com/rempar25-large-scale-cyber-crisis-exercise-september-18-2025/

Date added May 2, 2025, 6:29 a.m.
Source undercodetesting
Subjects
  • PodCasts / Webcast / Webinar / eSummit / Virtual Event etc.
  • Security Management/Strategic Security/ROI/ROSI - CISO and Higher Level
Venue Sept. 18, 2025, midnight - Sept. 18, 2025, midnight