ABUSE.MOM
THREAT REPORT

IP Threat Report
58.140.88.30

ABUSE.MOM — BEHAVE OR GET EXPOSED

Generated: 2026-08-16 02:12:44
First seen: 2026-08-09 13:32:07
Last seen: 2026-08-16 01:01:08
83

⛔ Verdict: BLOCK

This IP address has been classified as a source of malicious automated activity. Threat score: 83/100. Total malicious requests observed: 273.

DANGER_PATHMETHODRATIO_404REFERER
01

Geolocation & Classification

IP Address
58.140.88.30
Type
Residential
Country
🇰🇷 South Korea
City
Seoul
ISP
HYUNDAI HCN Seocho Cable Tv System Co.Ltd
Organization
Hyundai Communications Network
Autonomous System
AS7562 HCN Dongjak
Hit Count
273
02

Detection Signatures

SignatureDescriptionPointsSeverity
404 ratio 40-60%Majority of requests returned 404 — enumeration+15
Danger medium hits: 5Medium-risk: admin panels, config files+50
Foreign refererReferer from unrelated external domain+10
POST seenBehavioral anomaly detected by automated analysis+8
Σ = 83
03

Observed Activity

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

[redacted]
GET
/
200
Requests shown: 1 · HTTP 404: 0 · Dangerous patterns: 0

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

04

Timeline

2026-08-09 13:32:07
First malicious request detected
IP entered monitoring from server access logs
During observation
Multiple detection signatures triggered
404 ratio 40-60% (+15), Danger medium hits: 5 (+50), Foreign referer (+10)
2026-08-16 01:01:08
Last malicious request observed
Total score reached: 83/100
Next cycle
IP blocked — all subsequent requests denied (HTTP 403)
Added to blocklist automatically
05

Network Provider

HYUNDAI HCN Seocho Cable Tv System Co.Ltd
AS7562 · 🇰🇷 South Korea
06

Recommendations

Actions taken & recommended

  • IP 58.140.88.30 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 58.140.88.30 is enumerating directories. Configure fail2ban apache-404 jail after 10+ 404 errors. Disable directory listings. Normalize all 404 responses.

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
bl.blocklist.de
✓ Clean
zen.spamhaus.org
✓ Clean
spam.dnsbl.sorbs.net
✓ Clean
psbl.surriel.com
✓ Clean
b.barracudacentral.org
✓ Clean
dnsbl.dronebl.org

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

10

Threat Analysis

58.140.88.30 has been assigned a threat score of 83/100 (Critical). This places it in the critical threat category. Immediate blocking is strongly advised across all network perimeters.

The following attack categories were identified:

Path Enumeration

📊 Threat Analysis

The address 58.140.88.30 originates from Seoul, South Korea, operating on the network of HYUNDAI HCN Seocho Cable Tv System Co.Ltd. It was identified through automated analysis of incoming network traffic across monitored endpoints. During its 6-day observation window, we recorded 273 hostile requests from this IP — roughly 45.5 per day on average. This is a residential IP address, suggesting a compromised home device such as a router, smart appliance, or infected workstation participating in a botnet. Active path scanning has been detected — this IP probes for hundreds of common file and directory names. With 101 flagged addresses, South Korea represents a significant presence in our threat database. The score of 83/100 indicates a confirmed malicious actor. Network-level blocking is appropriate.

This IP is classified as residential, suggesting it may belong to a compromised home device, IoT botnet member, or an infected personal computer. Residential IPs involved in attacks often indicate malware infection without the owner's knowledge.

11

Related Threats

🇰🇷 Top threats from South Korea

20.214.136.247 (280)20.214.157.214 (280)20.194.25.241 (280)20.196.195.121 (280)20.214.155.242 (280)View all →

🏢 Same network: AS7562

View all →
12

Security Intelligence

💡 Brute Force Attack Mechanics

Brute force attacks systematically try username and password combinations to gain unauthorized access. Modern attacks leverage credential databases from previous breaches, testing millions of combinations using distributed botnets across multiple IP addresses.

💡 HTTP/2 and HTTP/3 Security Implications

Modern HTTP protocols introduce new attack surfaces including stream multiplexing abuse, header compression attacks (HPACK bombing), and rapid reset attacks. Security tools must evolve to handle these protocol-specific threats effectively.

🔍 Check Any IP Address

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