ABUSE.MOM
THREAT REPORT

IP Threat Report
185.228.3.28

ABUSE.MOM — BEHAVE OR GET EXPOSED

Generated: 2026-07-29 18:49:10
First seen: 2026-07-07 03:36:12
Last seen: 2026-07-12 00:43:52
105

⛔ Verdict: BLOCK

This IP address has been classified as a source of malicious automated activity. Threat score: 105/100. Total malicious requests observed: 162.

BOT_UADANGER_PATHRATIO_404
01

Geolocation & Classification

IP Address
185.228.3.28
Type
VPN
Country
🇵🇹 Portugal
City
Lisbon
ISP
F.N.S. HOLDINGS LIMITED
Organization
Turkbil
Autonomous System
AS206092 F.N.S. HOLDINGS LIMITED
Hit Count
162
02

Detection Signatures

SignatureDescriptionPointsSeverity
404 ratio 40-60%Majority of requests returned 404 — enumeration+15
Danger strong hits: 2High-risk paths: shells, RCE vectors, exploits+50
UA bot: pythonKnown bot/crawler User-Agent detected+40
Σ = 105
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

2026-07-07 03:36:12
First malicious request detected
IP entered monitoring from server access logs
During observation
Multiple detection signatures triggered
404 ratio 40-60% (+15), Danger strong hits: 2 (+50), UA bot: python (+40)
2026-07-12 00:43:52
Last malicious request observed
Total score reached: 105/100
Next cycle
IP blocked — all subsequent requests denied (HTTP 403)
Added to blocklist automatically
05

Network Provider

F.N.S. HOLDINGS LIMITED
AS206092 · 🇵🇹 Portugal
06

Recommendations

Actions taken & recommended

  • IP 185.228.3.28 is blocked at application level (HTTP 403)
  • Consider blocking at firewall level (iptables/CSF) to reduce server load
  • Other malicious IPs detected in the same /24 subnet — consider blocking 185.228.3.0/24
  • 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 185.228.3.28 is enumerating directories. Configure fail2ban apache-404 jail after 10+ 404 errors. Disable directory listings. Normalize all 404 responses.

🤖 Bot Detection

Address UA spoofing from 185.228.3.28: maintain blocklist of known malicious UA strings, require consistent UA across sessions, implement TLS fingerprinting.

07

Neighbors in 185.228.3.0/24

Other blocked IPs from the same /24 subnet — indicates systematic abuse from this network range.

09

Blacklist Status (DNSBL)

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

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

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

10

Threat Analysis

185.228.3.28 has been assigned a threat score of 105/100 (Critical). A score this high marks a critical threat actor. This address has demonstrated persistent, aggressive malicious behavior across multiple detection vectors.

The following attack categories were identified:

Path EnumerationUser-Agent Anomaly

📊 Threat Analysis

Our monitoring infrastructure has identified 185.228.3.28, geolocated to Lisbon, Portugal, operating on the network of F.N.S. HOLDINGS LIMITED, as a source of suspicious network activity. Over a period of 4 days, this IP generated 162 malicious requests, averaging approximately 40.5 requests per day. The address operates as a VPN/proxy exit node. Attackers route traffic through anonymizing services to obscure their real location and evade IP-based security controls. Two attack patterns were identified (Path Enumeration and User-Agent Anomaly), suggesting a semi-automated campaign that targets multiple vulnerabilities. Portugal currently accounts for 66 blocked IPs in our database, making it a notable source of malicious traffic. A score of 105/100 places this address in the top tier of severity. Block and investigate any historical connections.

This IP is associated with a VPN or proxy service. Attackers frequently route their traffic through anonymizing services to obscure their true location. This makes attribution more challenging but the malicious behavior patterns remain detectable.

11

Related Threats

🇵🇹 Top threats from Portugal

85.234.64.161 (170)89.114.245.185 (140)5.157.20.73 (140)5.157.20.49 (140)5.157.20.45 (140)View all →

🏢 Same network: AS206092

185.228.3.38 (105)185.228.3.52 (65)185.228.3.4 (65)185.228.3.3 (65)185.228.3.6 (65)View all →
12

Security Intelligence

💡 HTTP Request Smuggling

Request smuggling exploits differences in how front-end and back-end servers parse HTTP requests. This technique can bypass security controls, poison web caches, and hijack other users sessions by desynchronizing request boundaries.

💡 DNS-Based Threat Detection

Monitoring DNS queries reveals malicious activity including command-and-control communication, data exfiltration through DNS tunneling, and connections to known malicious domains. DNS is often the first indicator of compromise in network forensics.

🔍 Check Any IP Address

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