ABUSE.MOM
THREAT REPORT

IP Threat Report
13.209.5.208

ABUSE.MOM — BEHAVE OR GET EXPOSED

Generated: 2026-05-30 09:58:49
First seen: 2026-05-20 16:46:50
Last seen: 2026-05-24 10:21:50
263

⛔ Verdict: BLOCK

This IP address has been classified as a source of malicious automated activity. Threat score: 263/100. Total malicious requests observed: 167.

BURSTDANGER_PATHMETHODRATIO_404
01

Geolocation & Classification

IP Address
13.209.5.208
Type
Hosting
Country
🇰🇷 South Korea
City
Seoul
ISP
Amazon Technologies Inc.
Organization
AWS EC2 (ap-northeast-2)
Autonomous System
AS16509 Amazon.com, Inc.
Hit Count
167
02

Detection Signatures

SignatureDescriptionPointsSeverity
404 ratio >= 60%Majority of requests returned 404 — enumeration+25
Burst 11/2sAbnormally fast request rate — automated scanning+35
Burst 39/10sAbnormally fast request rate — automated scanning+35
Danger medium hits: 40Medium-risk: admin panels, config files+60
Danger strong hits: 241High-risk paths: shells, RCE vectors, exploits+100
POST seenBehavioral anomaly detected by automated analysis+8
Σ = 263
03

Observed Activity

Reconstructed HTTP requests from server access logs. Target domains redacted for security.

[redacted]
GET
/
200
[redacted]
GET
/page
200
Requests shown: 2 · HTTP 404: 0 · Dangerous patterns: 0

* Typical request patterns for detected signatures. Actual target domains are redacted.

04

Timeline

2026-05-20 16:46:50
First malicious request detected
IP entered monitoring from server access logs
During observation
Multiple detection signatures triggered
404 ratio >= 60% (+25), Burst 11/2s (+35), Burst 39/10s (+35)
2026-05-24 10:21:50
Last malicious request observed
Total score reached: 263/100
Next cycle
IP blocked — all subsequent requests denied (HTTP 403)
Added to blocklist automatically
05

Network Provider

Amazon Technologies Inc.
AS16509 · 🇰🇷 South Korea
06

Recommendations

Actions taken & recommended

  • IP 13.209.5.208 is blocked at application level (HTTP 403)
  • Consider blocking at firewall level (iptables/CSF) to reduce server load
  • Report abuse to the network provider via their abuse contact
  • Ensure sensitive files (.env, .git, backups) are not accessible from the web

🔎 Directory Scan Defense

IP 13.209.5.208 is enumerating directories. Configure fail2ban apache-404 jail after 10+ 404 errors. Disable directory listings. Normalize all 404 responses.

🌊 Flood / DDoS Mitigation

Implement limit_req_zone in nginx. Deploy CDN with DDoS protection. Configure SYN cookies and connection tracking to throttle 13.209.5.208.

09

Blacklist Status (DNSBL)

This IP was checked against major DNS-based blacklists used by mail servers and firewalls worldwide.

✓ Clean
cbl.abuseat.org
✓ Clean
psbl.surriel.com
✓ Clean
zen.spamhaus.org
✓ Clean
bl.spamcop.net
✓ Clean
spam.dnsbl.sorbs.net
✓ Clean
dnsbl.dronebl.org
✓ Clean
b.barracudacentral.org

Checked: Spamhaus, SpamCop, Barracuda, SORBS, CBL, UCEProtect. Results may change over time.

10

Threat Analysis

13.209.5.208 has been assigned a threat score of 263/100 (Critical). This represents a critical risk level. Our detection systems have flagged multiple high-confidence indicators of malicious intent from this address.

The following attack categories were identified:

Path EnumerationRequest Flooding

📊 Threat Analysis

Threat intelligence analysis has linked 13.209.5.208 to malicious activity originating from Seoul, South Korea, operating on the network of Amazon Technologies Inc.. The address has been under observation since its initial detection. During its 3-day observation window, we recorded 167 hostile requests from this IP — roughly 55.7 per day on average. Classified as a hosting IP, this address likely runs on a rented server or cloud instance. Attackers prefer datacenter IPs for their high bandwidth and disposable nature. The dual attack vectors of Path Enumeration combined with Request Flooding indicate a coordinated assault rather than opportunistic scanning. A score of 263/100 places this address in the top tier of severity. Block and investigate any historical connections.

This IP belongs to a hosting or data center provider. Malicious traffic from hosting infrastructure often originates from compromised VPS instances, rented servers used for scanning campaigns, or abused free-tier cloud accounts. Hosting providers typically respond to abuse reports within 24-72 hours.

11

Related Threats

🇰🇷 Top threats from South Korea

54.180.153.158 (263)54.180.98.235 (263)View all →

🏢 Same network: AS16509

15.220.152.241 (320)18.219.106.176 (315)15.220.169.114 (280)108.136.131.13 (265)54.206.58.169 (263)View all →
12

Security Intelligence

💡 DDoS Mitigation Approaches

Distributed denial of service attacks overwhelm infrastructure with traffic volume. Effective mitigation combines always-on traffic scrubbing, anycast network distribution, rate limiting, and the ability to quickly scale absorption capacity during attacks.

💡 Botnet Command and Control Evolution

Botnet C2 infrastructure has evolved from centralized IRC channels to resilient peer-to-peer networks, domain generation algorithms, and blockchain-based communication. This evolution makes botnet takedowns increasingly difficult and expensive.

🔍 Check Any IP Address

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