ABUSE.MOM
THREAT REPORT

IP Threat Report
158.158.76.249

ABUSE.MOM — BEHAVE OR GET EXPOSED

Generated: 2026-09-08 04:27:35
First seen: 2026-08-01 02:13:46
Last seen: 2026-08-09 04:16:41
265

⛔ Verdict: BLOCK

This IP address has been classified as a source of malicious automated activity. Threat score: 265/100. Total malicious requests observed: 581.

BURSTDANGER_PATHRATIO_404REDIRECT_PROBEUA_SUS
01

Geolocation & Classification

IP Address
158.158.76.249
Type
Residential
Country
🇪🇸 Spain
City
Madrid
ISP
Microsoft Corporation
Organization
Microsoft Azure Cloud (spaincentral)
Autonomous System
AS8075 Microsoft Corporation
Hit Count
581
02

Detection Signatures

SignatureDescriptionPointsSeverity
404 ratio 40-60%Majority of requests returned 404 — enumeration+15
Burst 30/2sAbnormally fast request rate — automated scanning+35
Burst 33/2sAbnormally fast request rate — automated scanning+35
Burst 34/2sAbnormally fast request rate — automated scanning+35
Burst 41/2sAbnormally fast request rate — automated scanning+35
Burst 73/10sAbnormally fast request rate — automated scanning+35
Burst 86/10sAbnormally fast request rate — automated scanning+35
Burst 87/10sAbnormally fast request rate — automated scanning+35
Burst 90/10sAbnormally fast request rate — automated scanning+35
Danger medium hits: 1Medium-risk: admin panels, config files+10
Danger medium hits: 100Medium-risk: admin panels, config files+60
Danger medium hits: 111Medium-risk: admin panels, config files+60
Danger medium hits: 122Medium-risk: admin panels, config files+60
Danger medium hits: 74Medium-risk: admin panels, config files+60
Danger strong hits: 1High-risk paths: shells, RCE vectors, exploits+25
Danger strong hits: 2High-risk paths: shells, RCE vectors, exploits+50
Danger strong hits: 4High-risk paths: shells, RCE vectors, exploits+100
Danger strong hits: 7High-risk paths: shells, RCE vectors, exploits+100
Probe 302→404Behavioral anomaly detected by automated analysis+20
UA suspiciousBehavioral anomaly detected by automated analysis+15
Σ = 855
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

2026-08-01 02:13:46
First malicious request detected
IP entered monitoring from server access logs
During observation
Multiple detection signatures triggered
404 ratio 40-60% (+15), Burst 30/2s (+35), Burst 33/2s (+35)
2026-08-09 04:16:41
Last malicious request observed
Total score reached: 265/100
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 158.158.76.249 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 158.158.76.0/24
  • 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 158.158.76.249: rate-limit 404 responses per IP, deploy a honeypot 404 page, ensure no backup files are web-accessible.

🌊 Traffic Flood Defense

IP 158.158.76.249 is generating excessive traffic. Limit connections per source IP. Enable geographic blocking if traffic from this region is unexpected.

🤖 User-Agent Anomaly Defense

IP 158.158.76.249 shows suspicious UA behavior. Block empty User-Agent requests. Implement JavaScript-based bot detection for sensitive endpoints.

07

Neighbors in 158.158.76.0/24

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
bl.blocklist.de
✓ Clean
spam.dnsbl.sorbs.net
✓ Clean
b.barracudacentral.org
✓ Clean
psbl.surriel.com

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

10

Threat Analysis

158.158.76.249 has been assigned a threat score of 265/100 (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 EnumerationRequest FloodingUser-Agent Anomaly

📊 Threat Analysis

Our monitoring infrastructure has identified 158.158.76.249, geolocated to Madrid, Spain, operating on the network of Microsoft Corporation, as a source of suspicious network activity. The address has been active for 8 days in our monitoring system, producing 581 flagged requests at a rate of ~72.6/day. The address is classified as residential, meaning it likely belongs to an end-user ISP connection. Malicious activity from residential IPs typically indicates device compromise or botnet membership. 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 113 malicious IPs originating from Spain, positioning it as a significant contributor to global threat activity. With a threat score of 265/100, this IP is among the most dangerous addresses in our database. Immediate and complete blocking is strongly recommended.

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 Spain

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🏢 Same network: AS8075

68.155.155.199 (320)20.127.136.245 (318)20.151.200.44 (315)20.220.203.117 (280)20.79.30.30 (280)View all →
12

Security Intelligence

💡 DDoS Mitigation Approaches

Distributed denial of service attacks overwhelm infrastructure with traffic volume. Effective mitigation combines always-on traffic scrubbing, anycast network distribution, rate limiting, and the ability to quickly scale absorption capacity during attacks.

💡 Dark Web Intelligence Gathering

Monitoring dark web forums and marketplaces provides advance warning of planned attacks, leaked credentials, and compromised data. This intelligence feeds into proactive defense measures before attacks reach their targets.

🔍 Check Any IP Address

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