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A recent phishing campaign has emerged, impersonating Bleuet de France, targeting customers with fake promotional codes ahead of the May 8th commemorations. The attackers lure victims into entering codes for purchases, exploiting the event’s relevance. Bleuet de France has issued warnings to its customers, urging vigilance.
You Should Know: How to Detect and Prevent Phishing Attacks
1. Verify Email Sources
- Check sender addresses: Look for inconsistencies (e.g., `[email protected]` vs.
[email protected]). - Use SPF/DMARC/DKIM checks:
dig txt bleuetdefrance.fr Check SPF records nslookup -type=txt _dmarc.bleuetdefrance.fr Verify DMARC policy
2. Analyze Links Before Clicking
- Hover over links to see the actual URL.
- Use curl to inspect redirects:
curl -sIL "https://suspicious.link" | grep -iE "location:|http/"
3. Detect Fake Websites
- Compare SSL certificates:
openssl s_client -connect phishing-site.com:443 | openssl x509 -noout -issuer -dates
- Check domain age with WHOIS:
whois phishing-site.com | grep -i "creation date"
4. Secure Your Email Infrastructure
- Enable DMARC reporting (PowerDMARC recommended):
echo "v=DMARC1; p=reject; rua=mailto:[email protected]" > /etc/opendmarc/policy.txt
- Filter suspicious emails using SpamAssassin:
spamassassin -D < suspicious_email.eml
5. Educate Users
- Train staff with GoPhish (open-source phishing simulator):
docker run -it -p 3333:3333 -p 80:80 gophish/gophish
What Undercode Say
Phishing remains a top cyber threat, leveraging social engineering and urgency. Always:
– Use MFA (google-authenticator for Linux).
– Monitor logs (grep "authentication failure" /var/log/auth.log).
– Block malicious IPs via iptables:
iptables -A INPUT -s 192.168.1.100 -j DROP
Automate defenses with fail2ban:
fail2ban-client status sshd
Expected Output:
- Legitimate Email: Clean headers, valid DKIM signatures.
- Phishing Site: Mismatched SSL issuer, recent domain registration.
- Blocked Attack: Iptables logs showing dropped packets.
Stay sharp—phishers evolve, but so do defenses! 🔐
Relevant URLs:
References:
Reported By: Piveteau Pierre – Hackers Feeds
Extra Hub: Undercode MoN
Basic Verification: Pass ✅
