ABUSE.MOM
THREAT REPORT

IP Threat Report
45.3.53.22

ABUSE.MOM — BEHAVE OR GET EXPOSED

Generated: 2026-09-13 13:01:11
First seen: 2026-08-11 19:20:22
Last seen: 2026-08-16 01:03:34
175

⛔ Verdict: BLOCK

This IP address has been classified as a source of malicious automated activity. Threat score: 175/100. Total malicious requests observed: 116.

DANGER_PATHRATIO_404REFERER
01

Geolocation & Classification

IP Address
45.3.53.22
Type
VPN
Country
🇧🇷 Brazil
City
São Paulo
ISP
3xK Tech GmbH
Organization
3xK Tech GmbH
Autonomous System
AS200373 3xK Tech GmbH
Hit Count
116
02

Detection Signatures

SignatureDescriptionPointsSeverity
404 ratio 40-60%Majority of requests returned 404 — enumeration+15
Danger medium hits: 32Medium-risk: admin panels, config files+60
Danger medium hits: 5Medium-risk: admin panels, config files+50
Danger strong hits: 11High-risk paths: shells, RCE vectors, exploits+100
Danger strong hits: 27High-risk paths: shells, RCE vectors, exploits+100
Foreign refererReferer from unrelated external domain+10
Σ = 335
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

2026-08-11 19:20:22
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: 32 (+60), Danger medium hits: 5 (+50)
2026-08-16 01:03:34
Last malicious request observed
Total score reached: 175/100
Next cycle
IP blocked — all subsequent requests denied (HTTP 403)
Added to blocklist automatically
05

Network Provider

3xK Tech GmbH
AS200373 · 🇧🇷 Brazil
06

Recommendations

Actions taken & recommended

  • IP 45.3.53.22 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 45.3.53.0/24
  • 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 45.3.53.22 is enumerating directories. Configure fail2ban apache-404 jail after 10+ 404 errors. Disable directory listings. Normalize all 404 responses.

07

Neighbors in 45.3.53.0/24

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

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

10

Threat Analysis

45.3.53.22 has been assigned a threat score of 175/100 (Critical). With this rating, the IP falls into the critical severity bracket — among the most dangerous addresses in our monitoring database.

The following attack categories were identified:

Path Enumeration

📊 Threat Analysis

Threat intelligence analysis has linked 45.3.53.22 to malicious activity originating from São Paulo, Brazil, operating on the network of 3xK Tech GmbH. The address has been under observation since its initial detection. Over a period of 4 days, this IP generated 116 malicious requests, averaging approximately 29 requests per day. This IP is identified as a VPN or proxy endpoint, commonly used to mask the true origin of attack traffic and bypass geographic or reputation-based blocking. The IP exhibits directory enumeration behavior, systematically requesting non-existent paths to discover hidden files and misconfigured resources. A score of 175/100 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 Brazil

45.3.41.207 (185)45.3.52.148 (130)45.3.40.58 (130)45.3.52.115 (130)45.3.40.132 (110)View all →

🏢 Same network: AS200373

195.63.20.148 (213)195.63.24.1 (213)65.111.6.126 (185)65.111.11.242 (185)45.3.41.207 (185)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.

💡 Threat Intelligence Sharing Frameworks

Standards like STIX/TAXII, MISP, and OpenIOC enable automated sharing of threat intelligence between organizations. Collective defense through shared indicators, tactics, and procedures strengthens the entire security community against common threats.

🔍 Check Any IP Address

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