ABUSE.MOM
THREAT REPORT

IP Threat Report
91.92.41.7

ABUSE.MOM — BEHAVE OR GET EXPOSED

Generated: 2026-10-26 04:29:44
First seen: 2026-09-27 15:26:35
Last seen: 2026-10-04 00:58:13
90

⛔ Verdict: BLOCK

This IP address has been classified as a source of malicious automated activity. Threat score: 90/100. Total malicious requests observed: 363.

BOT_UADANGER_PATH
01

Geolocation & Classification

IP Address
91.92.41.7
Type
VPN
Country
🇧🇬 Bulgaria
City
Sofia
ISP
Sino Worldwide Trading Limited
Organization
Sino Worldwide Trading Limited
Autonomous System
AS211443 SINO WORLDWIDE TRADING LIMITED
Hit Count
363
02

Detection Signatures

SignatureDescriptionPointsSeverity
Danger strong hits: 1High-risk paths: shells, RCE vectors, exploits+25
Danger strong hits: 2High-risk paths: shells, RCE vectors, exploits+50
UA bot: Go-http-clientKnown bot/crawler User-Agent detected+40
Σ = 115
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

2026-09-27 15:26:35
First malicious request detected
IP entered monitoring from server access logs
During observation
Multiple detection signatures triggered
Danger strong hits: 1 (+25), Danger strong hits: 2 (+50), UA bot: Go-http-client (+40)
2026-10-04 00:58:13
Last malicious request observed
Total score reached: 90/100
Next cycle
IP blocked — all subsequent requests denied (HTTP 403)
Added to blocklist automatically
05

Network Provider

Sino Worldwide Trading Limited
AS211443 · 🇧🇬 Bulgaria

We have detected 4 malicious IPs from this autonomous system.

View all IPs from AS211443 →
06

Recommendations

Actions taken & recommended

  • IP 91.92.41.7 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 91.92.41.0/24
  • Report abuse to the network provider via their abuse contact
  • Ensure sensitive files (.env, .git, backups) are not accessible from the web

🤖 Bot Detection

Address UA spoofing from 91.92.41.7: maintain blocklist of known malicious UA strings, require consistent UA across sessions, implement TLS fingerprinting.

07

Neighbors in 91.92.41.0/24

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

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

10

Threat Analysis

91.92.41.7 has been assigned a threat score of 90/100 (Critical). This is a critical-level threat. Systems administrators should treat this IP as hostile and block all inbound connections without exception.

The following attack categories were identified:

User-Agent Anomaly

📊 Threat Analysis

Our monitoring infrastructure has identified 91.92.41.7, geolocated to Sofia, Bulgaria, operating on the network of Sino Worldwide Trading Limited, as a source of suspicious network activity. During its 6-day observation window, we recorded 363 hostile requests from this IP — roughly 60.5 per day on average. 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 User-Agent manipulation, switching between different browser identities or sending empty headers. Bulgaria currently accounts for 83 blocked IPs in our database, making it a notable source of malicious traffic. A score of 90/100 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 Bulgaria

66.56.85.201 (305)93.152.221.13 (300)85.11.167.90 (293)104.28.246.54 (280)66.56.85.163 (270)View all →

🏢 Same network: AS211443

91.92.41.148 (263)91.92.41.171 (263)91.92.41.115 (213)View all →
12

Security Intelligence

💡 Directory Traversal Attacks

Path traversal attacks attempt to access files outside the intended directory by manipulating file path references. Attackers use sequences like ../ to reach sensitive system files such as /etc/passwd or application configuration files.

💡 Web Application Firewall Strategies

WAFs inspect HTTP traffic to block common attacks but require careful tuning. Overly aggressive rules cause false positives while permissive configurations miss attacks. Modern WAFs combine signature matching with behavioral analysis and machine learning.

🔍 Check Any IP Address

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