ABUSE.MOM
THREAT REPORT

IP Threat Report
157.66.253.119

ABUSE.MOM — BEHAVE OR GET EXPOSED

Generated: 2026-05-30 06:11:15
First seen: 2026-03-09 08:00:05
Last seen: 2026-03-19 16:00:05
140

⛔ Verdict: BLOCK

This IP address has been classified as a source of malicious automated activity. Threat score: 140/100. Total malicious requests observed: 5.

DANGER_PATHRATIO_404REDIRECT_PROBEREFERERBURST
01

Geolocation & Classification

IP Address
157.66.253.119
Type
Hosting
Country
🇻🇳 Vietnam
City
Ho Chi Minh City
ISP
Lienvps Technology Company Limited
Organization
Thanh Trang Cloud Computing and Technology Company Limited
Autonomous System
AS150820 LIENVPS TECHNOLOGY COMPANY LIMITED
Hit Count
5
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
Probe pattern 302->404 same pathBehavioral anomaly detected by automated analysis+20
Foreign referer seenReferer from unrelated external domain+10
Danger medium hits: 8Medium-risk: admin panels, config files+60
Danger medium hits: 6Medium-risk: admin panels, config files+60
Burst: 5 req / 2sAbnormally fast request rate — automated scanning+35
Danger medium hits: 10Medium-risk: admin panels, config files+60
Σ = 300
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

2026-03-09 08:00:05
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), Probe pattern 302->404 same path (+20)
2026-03-19 16:00:05
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

Lienvps Technology Company Limited
AS150820 · 🇻🇳 Vietnam
06

Recommendations

Actions taken & recommended

  • IP 157.66.253.119 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

🔎 Path Enumeration Protection

Block scanning from 157.66.253.119: 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 157.66.253.119.

08

Open Ports & Services

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

OPEN PORTS (1)
PortServiceRiskDescription
20880UnknownLowService on port 20880

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

157.66.253.119 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

157.66.253.119 is registered in Ho Chi Minh City, Vietnam, operating on the network of Lienvps Technology Company Limited. This IP first appeared in our threat feeds after triggering multiple behavioral detection signatures. Our sensors captured 5 malicious requests from this address across a 10-day span, reflecting a sustained attack cadence of ~0.5 requests per day. Operating from datacenter infrastructure, this IP is typical of addresses used in organized attack operations. Cloud and VPS providers are commonly exploited as launching platforms for automated scanning. Two attack patterns were identified (Path Enumeration and Request Flooding), suggesting a semi-automated campaign that targets multiple vulnerabilities. With 107 flagged addresses, Vietnam represents a significant presence in our threat database. A score of 140/100 places this address in the top tier of severity. Block and investigate any historical connections.

This IP belongs to a hosting or data center provider. Malicious traffic from hosting infrastructure often originates from compromised VPS instances, rented servers used for scanning campaigns, or abused free-tier cloud accounts. Hosting providers typically respond to abuse reports within 24-72 hours.

11

Related Threats

🇻🇳 Top threats from Vietnam

103.216.118.66 (273)210.2.86.189 (235)103.61.123.221 (235)116.118.47.174 (235)14.225.32.188 (235)View all →

🏢 Same network: AS150820

157.66.252.114 (165)160.30.190.218 (165)160.30.190.116 (140)203.175.97.89 (140)160.30.191.33 (140)View all →
12

Security Intelligence

💡 SQL Injection Campaigns

SQL injection remains one of the most common web attack vectors. Attackers inject malicious SQL code through input fields to extract database contents, modify data, or gain administrative access. Automated scanners test for SQLi vulnerabilities at massive scale.

💡 CORS Misconfiguration Exploitation

Cross-Origin Resource Sharing misconfigurations can expose sensitive APIs to unauthorized origins. Wildcard policies, reflected origins, and null origin allowlisting create vulnerabilities that attackers exploit for data theft and unauthorized actions.

🔍 Check Any IP Address

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