ABUSE.MOM
THREAT REPORT

IP Threat Report
91.92.41.115

ABUSE.MOM — BEHAVE OR GET EXPOSED

Generated: 2026-07-30 01:42:08
First seen: 2026-07-22 15:31:58
Last seen: 2026-07-30 01:38:58
213

⛔ Verdict: BLOCK

This IP address has been classified as a source of malicious automated activity. Threat score: 213/100. Total malicious requests observed: 317.

BOT_UADANGER_PATHMETHODREDIRECT_PROBEUA_CHANGED
01

Geolocation & Classification

IP Address
91.92.41.115
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
317
02

Detection Signatures

SignatureDescriptionPointsSeverity
Danger medium hits: 2Medium-risk: admin panels, config files+20
Danger medium hits: 3Medium-risk: admin panels, config files+30
Danger strong hits: 4High-risk paths: shells, RCE vectors, exploits+100
Danger strong hits: 6High-risk paths: shells, RCE vectors, exploits+100
POST seenBehavioral anomaly detected by automated analysis+8
Probe 302→404Behavioral anomaly detected by automated analysis+20
UA bot: pythonKnown bot/crawler User-Agent detected+40
UA changedMultiple User-Agents — bot rotation technique+25
Σ = 343
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

2026-07-22 15:31:58
First malicious request detected
IP entered monitoring from server access logs
During observation
Multiple detection signatures triggered
Danger medium hits: 2 (+20), Danger medium hits: 3 (+30), Danger strong hits: 4 (+100)
2026-07-30 01:38:58
Last malicious request observed
Total score reached: 213/100
Next cycle
IP blocked — all subsequent requests denied (HTTP 403)
Added to blocklist automatically
05

Network Provider

Sino Worldwide Trading Limited
AS211443 · 🇧🇬 Bulgaria
06

Recommendations

Actions taken & recommended

  • IP 91.92.41.115 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 91.92.41.115 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 91.92.41.115: maintain blocklist of known malicious UA strings, require consistent UA across sessions, implement TLS fingerprinting.

09

Blacklist Status (DNSBL)

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

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

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

10

Threat Analysis

91.92.41.115 has been assigned a threat score of 213/100 (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 EnumerationUser-Agent Anomaly

📊 Threat Analysis

Our monitoring infrastructure has identified 91.92.41.115, geolocated to Sofia, Bulgaria, operating on the network of Sino Worldwide Trading Limited, as a source of suspicious network activity. Over a period of 7 days, this IP generated 317 malicious requests, averaging approximately 45.3 requests per day. Classified as a VPN or proxy server, this IP serves as an anonymization layer. While VPNs have legitimate uses, this address has been observed routing clearly malicious traffic. The dual attack vectors of Path Enumeration combined with User-Agent Anomaly indicate a coordinated assault rather than opportunistic scanning. Bulgaria currently accounts for 68 blocked IPs in our database, making it a notable source of malicious traffic. A score of 213/100 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

93.152.221.13 (300)85.11.167.90 (293)104.28.246.54 (280)85.11.167.15 (240)146.70.245.66 (230)View all →

🏢 Same network: AS211443

View all →
12

Security Intelligence

💡 Command Injection Techniques

Command injection occurs when attackers insert operating system commands through application inputs. Successful exploitation grants direct server access, enabling data theft, malware installation, and lateral movement across networks.

💡 TLS Certificate Misconfigurations

Expired, self-signed, or misconfigured TLS certificates create security vulnerabilities and trust issues. Certificate monitoring, automated renewal through ACME protocols, and proper certificate chain configuration prevent both security gaps and service disruptions.

🔍 Check Any IP Address

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