ABUSE.MOM
THREAT REPORT

IP Threat Report
158.158.1.227

ABUSE.MOM — BEHAVE OR GET EXPOSED

Generated: 2026-05-30 07:13:44
First seen: 2026-04-17 20:00:06
Last seen: 2026-04-18 04:00:08
280

⛔ Verdict: BLOCK

This IP address has been classified as a source of malicious automated activity. Threat score: 280/100. Total malicious requests observed: 4.

UA_SUSDANGER_PATHREDIRECT_PROBEBURSTRATIO_404
01

Geolocation & Classification

IP Address
158.158.1.227
Type
Hosting
Country
🇪🇸 Spain
City
Madrid
ISP
Microsoft Corporation
Organization
Microsoft Azure Cloud (spaincentral)
Autonomous System
AS8075 Microsoft Corporation
Hit Count
4
02

Detection Signatures

SignatureDescriptionPointsSeverity
UA suspicious (short/empty)Behavioral anomaly detected by automated analysis+15
Danger strong hits: 37High-risk paths: shells, RCE vectors, exploits+100
Danger medium hits: 325Medium-risk: admin panels, config files+60
Probe pattern 302->404 same pathBehavioral anomaly detected by automated analysis+20
Burst: 41 req / 2sAbnormally fast request rate — automated scanning+35
Burst: 133 req / 10sAbnormally fast request rate — automated scanning+35
Danger strong hits: 26High-risk paths: shells, RCE vectors, exploits+100
Danger medium hits: 326Medium-risk: admin panels, config files+60
404 ratio 40-60%Majority of requests returned 404 — enumeration+15
Burst: 40 req / 2sAbnormally fast request rate — automated scanning+35
Burst: 131 req / 10sAbnormally fast request rate — automated scanning+35
Burst: 43 req / 2sAbnormally fast request rate — automated scanning+35
Burst: 118 req / 10sAbnormally fast request rate — automated scanning+35
Burst: 34 req / 2sAbnormally fast request rate — automated scanning+35
Burst: 105 req / 10sAbnormally fast request rate — automated scanning+35
Σ = 650
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

2026-04-17 20:00:06
First malicious request detected
IP entered monitoring from server access logs
During observation
Multiple detection signatures triggered
UA suspicious (short/empty) (+15), Danger strong hits: 37 (+100), Danger medium hits: 325 (+60)
2026-04-18 04:00:08
Last malicious request observed
Total score reached: 280/100
Next cycle
IP blocked — all subsequent requests denied (HTTP 403)
Added to blocklist automatically
05

Network Provider

Microsoft Corporation
AS8075 · 🇪🇸 Spain
06

Recommendations

Actions taken & recommended

  • IP 158.158.1.227 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

🤖 Bot Detection

Address UA spoofing from 158.158.1.227: maintain blocklist of known malicious UA strings, require consistent UA across sessions, implement TLS fingerprinting.

🔎 Directory Scan Defense

IP 158.158.1.227 is enumerating directories. Configure fail2ban apache-404 jail after 10+ 404 errors. Disable directory listings. Normalize all 404 responses.

🌊 Flood / DDoS Mitigation

Implement limit_req_zone in nginx. Deploy CDN with DDoS protection. Configure SYN cookies and connection tracking to throttle 158.158.1.227.

09

Blacklist Status (DNSBL)

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

⛔ LISTED
zen.spamhaus.org
✓ Clean
ix.dnsbl.manitu.net
✓ Clean
dnsbl.sorbs.net
✓ Clean
bl.spamcop.net
✓ Clean
dnsbl-1.uceprotect.net
✓ Clean
b.barracudacentral.org
✓ Clean
psbl.surriel.com
✓ Clean
truncate.gbudb.net

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

10

Threat Analysis

158.158.1.227 has been assigned a threat score of 280/100 (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:

User-Agent AnomalyPath EnumerationRequest Flooding

📊 Threat Analysis

Threat intelligence analysis has linked 158.158.1.227 to malicious activity originating from Madrid, Spain, operating on the network of Microsoft Corporation. The address has been under observation since its initial detection. Over a period of 1 days, this IP generated 4 malicious requests, averaging approximately 4 requests per day. The IP is classified as hosting/datacenter infrastructure, commonly associated with rented servers used for automated attack campaigns, botnet command-and-control, or vulnerability scanning at scale. The combination of 3 distinct attack vectors indicates a sophisticated, multi-pronged threat actor deploying automated tools that probe multiple attack surfaces simultaneously. Our records show 114 malicious IPs originating from Spain, positioning it as a significant contributor to global threat activity. At 280/100, this is an extremely high-risk address. All traffic should be considered hostile.

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 Spain

158.173.36.160 (305)212.30.33.72 (305)45.67.99.32 (305)158.158.33.103 (280)158.158.105.51 (280)View all →

🏢 Same network: AS8075

158.158.33.103 (280)158.158.105.51 (280)68.221.64.54 (280)158.158.51.6 (280)68.221.129.30 (280)View all →
12

Security Intelligence

💡 TLS Fingerprinting (JA3/JA4)

TLS fingerprinting creates unique identifiers based on how clients negotiate encrypted connections. The JA3 and JA4 methods generate hashes from TLS ClientHello parameters, enabling identification of specific tools and malware regardless of IP address changes.

💡 Responsible Disclosure Ethics

Responsible disclosure balances public safety with giving vendors time to patch vulnerabilities. The security community generally supports coordinated disclosure timelines, but disagreements about appropriate timeframes and full disclosure continue to drive policy debates.

🔍 Check Any IP Address

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