ABUSE.MOM
THREAT REPORT

IP Threat Report
158.158.74.177

ABUSE.MOM — BEHAVE OR GET EXPOSED

Generated: 2026-08-28 02:56:47
First seen: 2026-08-13 05:01:40
Last seen: 2026-08-23 02:06:24
255

⛔ Verdict: BLOCK

This IP address has been classified as a source of malicious automated activity. Threat score: 255/100. Total malicious requests observed: 1890.

BURSTDANGER_PATHRATIO_404
01

Geolocation & Classification

IP Address
158.158.74.177
Type
Residential
Country
🇪🇸 Spain
City
Madrid
ISP
Microsoft Corporation
Organization
Microsoft Azure Cloud (spaincentral)
Autonomous System
AS8075 Microsoft Corporation
Hit Count
1890
02

Detection Signatures

SignatureDescriptionPointsSeverity
404 ratio >= 60%Majority of requests returned 404 — enumeration+25
Burst 106/10sAbnormally fast request rate — automated scanning+35
Burst 136/10sAbnormally fast request rate — automated scanning+35
Burst 14/2sAbnormally fast request rate — automated scanning+35
Burst 34/2sAbnormally fast request rate — automated scanning+35
Burst 35/2sAbnormally fast request rate — automated scanning+35
Burst 36/2sAbnormally fast request rate — automated scanning+35
Burst 37/2sAbnormally fast request rate — automated scanning+35
Burst 38/10sAbnormally fast request rate — automated scanning+35
Burst 38/2sAbnormally fast request rate — automated scanning+35
Burst 39/10sAbnormally fast request rate — automated scanning+35
Burst 39/2sAbnormally fast request rate — automated scanning+35
Burst 40/2sAbnormally fast request rate — automated scanning+35
Burst 41/10sAbnormally fast request rate — automated scanning+35
Burst 41/2sAbnormally fast request rate — automated scanning+35
Burst 45/2sAbnormally fast request rate — automated scanning+35
Burst 47/2sAbnormally fast request rate — automated scanning+35
Burst 60/10sAbnormally fast request rate — automated scanning+35
Burst 72/10sAbnormally fast request rate — automated scanning+35
Burst 73/10sAbnormally fast request rate — automated scanning+35
Danger medium hits: 138Medium-risk: admin panels, config files+60
Danger medium hits: 35Medium-risk: admin panels, config files+60
Danger medium hits: 40Medium-risk: admin panels, config files+60
Danger medium hits: 450Medium-risk: admin panels, config files+60
Danger medium hits: 60Medium-risk: admin panels, config files+60
Danger medium hits: 67Medium-risk: admin panels, config files+60
Danger medium hits: 74Medium-risk: admin panels, config files+60
Danger medium hits: 75Medium-risk: admin panels, config files+60
Danger strong hits: 1High-risk paths: shells, RCE vectors, exploits+25
Danger strong hits: 151High-risk paths: shells, RCE vectors, exploits+100
Danger strong hits: 2High-risk paths: shells, RCE vectors, exploits+50
Danger strong hits: 24High-risk paths: shells, RCE vectors, exploits+100
Danger strong hits: 30High-risk paths: shells, RCE vectors, exploits+100
Σ = 1545
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

2026-08-13 05:01:40
First malicious request detected
IP entered monitoring from server access logs
During observation
Multiple detection signatures triggered
404 ratio >= 60% (+25), Burst 106/10s (+35), Burst 136/10s (+35)
2026-08-23 02:06:24
Last malicious request observed
Total score reached: 255/100
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 158.158.74.177 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 158.158.74.0/24
  • 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 158.158.74.177 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 158.158.74.177.

07

Neighbors in 158.158.74.0/24

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
zen.spamhaus.org
✓ Clean
cbl.abuseat.org
✓ Clean
dnsbl.dronebl.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

158.158.74.177 has been assigned a threat score of 255/100 (Critical). This is a critical-level threat. Systems administrators should treat this IP as hostile and block all inbound connections without exception.

The following attack categories were identified:

Path EnumerationRequest Flooding

📊 Threat Analysis

158.158.74.177 is registered in Madrid, Spain, operating on the network of Microsoft Corporation. This IP first appeared in our threat feeds after triggering multiple behavioral detection signatures. During its 9-day observation window, we recorded 1,890 hostile requests from this IP — roughly 210 per day on average. 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. With 102 flagged addresses, Spain represents a significant presence in our threat database. A score of 255/100 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 Spain

45.67.99.32 (305)158.173.36.160 (305)212.30.33.72 (305)34.175.3.135 (298)34.175.136.81 (295)View all →

🏢 Same network: AS8075

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.

💡 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.

🔍 Check Any IP Address

Share this report: