ABUSE.MOM
THREAT REPORT

IP Threat Report
45.135.33.159

ABUSE.MOM — BEHAVE OR GET EXPOSED

Generated: 2026-05-30 12:58:27
First seen: 2026-02-27 21:00:05
Last seen: 2026-04-09 05:00:04
140

⛔ Verdict: BLOCK

This IP address has been classified as a source of malicious automated activity. Threat score: 140/100. Total malicious requests observed: 19.

DANGER_PATHRATIO_404REFERERREDIRECT_PROBEBURST
01

Geolocation & Classification

IP Address
45.135.33.159
Type
Residential
Country
🇷🇺 Russia
City
Moscow
ISP
Biterika Group LLC
Organization
Biterika Grupp LLC
Autonomous System
AS214574 Biterika Group LLC
Hit Count
19
02

Detection Signatures

SignatureDescriptionPointsSeverity
Danger medium hits: 4Medium-risk: admin panels, config files+40
404 ratio 40-60%Majority of requests returned 404 — enumeration+15
Foreign referer seenReferer from unrelated external domain+10
Danger medium hits: 10Medium-risk: admin panels, config files+60
Probe pattern 302->404 same pathBehavioral anomaly detected by automated analysis+20
Burst: 5 req / 2sAbnormally fast request rate — automated scanning+35
Danger medium hits: 3Medium-risk: admin panels, config files+30
404 ratio >= 60%Majority of requests returned 404 — enumeration+25
Danger medium hits: 6Medium-risk: admin panels, config files+60
Danger medium hits: 8Medium-risk: admin panels, config files+60
Danger medium hits: 1Medium-risk: admin panels, config files+10
Σ = 365
03

Observed Activity

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

[redacted]
GET
/
200
[redacted]
GET
/page
200
Requests shown: 2 · HTTP 404: 0 · Dangerous patterns: 0

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

04

Timeline

2026-02-27 21:00:05
First malicious request detected
IP entered monitoring from server access logs
During observation
Multiple detection signatures triggered
Danger medium hits: 4 (+40), 404 ratio 40-60% (+15), Foreign referer seen (+10)
2026-04-09 05:00:04
Last malicious request observed
Total score reached: 140/100
Next cycle
IP blocked — all subsequent requests denied (HTTP 403)
Added to blocklist automatically
05

Network Provider

Biterika Group LLC
AS214574 · 🇷🇺 Russia
06

Recommendations

Actions taken & recommended

  • IP 45.135.33.159 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 45.135.33.0/24
  • Report abuse to the network provider via their abuse contact
  • Ensure sensitive files (.env, .git, backups) are not accessible from the web

🔎 Path Enumeration Protection

Block scanning from 45.135.33.159: rate-limit 404 responses per IP, deploy a honeypot 404 page, ensure no backup files are web-accessible.

🌊 Flood / DDoS Mitigation

Implement limit_req_zone in nginx. Deploy CDN with DDoS protection. Configure SYN cookies and connection tracking to throttle 45.135.33.159.

07

Neighbors in 45.135.33.0/24

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

08

Open Ports & Services

Network reconnaissance data from Shodan. Open ports may indicate running services, misconfigurations, or potential attack surfaces.

OPEN PORTS (5)
PortServiceRiskDescription
3001UnknownLowService on port 3001
5500UnknownLowService on port 5500
7401UnknownLowService on port 7401
8000UnknownLowService on port 8000
8001UnknownLowService on port 8001

Data source: Shodan InternetDB. Scanned independently of abuse.mom.

09

Blacklist Status (DNSBL)

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

⛔ LISTED
Spamhaus ZEN

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

10

Threat Analysis

45.135.33.159 has been assigned a threat score of 140/100 (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 EnumerationRequest Flooding

📊 Threat Analysis

Threat intelligence analysis has linked 45.135.33.159 to malicious activity originating from Moscow, Russia, operating on the network of Biterika Group LLC. The address has been under observation since its initial detection. Our sensors captured 19 malicious requests from this address across a 40-day span, reflecting a sustained attack cadence of ~0.5 requests per day. This residential IP is likely a compromised consumer device. Home routers and IoT equipment with default credentials are prime targets for botnet operators. The dual attack vectors of Path Enumeration combined with Request Flooding indicate a coordinated assault rather than opportunistic scanning. Russia currently accounts for 132 blocked IPs in our database, making it a significant source of malicious traffic. A score of 140/100 places this address in the top tier of severity. Block and investigate any historical connections.

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 Russia

157.22.102.172 (313)178.130.54.159 (288)72.56.191.6 (265)95.182.125.201 (265)91.240.87.225 (263)View all →

🏢 Same network: AS214574

45.87.252.197 (215)194.156.96.170 (140)45.142.252.12 (140)45.87.253.142 (140)45.142.252.120 (140)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.

💡 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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