ABUSE.MOM
THREAT REPORT

IP Threat Report
177.131.162.0

ABUSE.MOM — BEHAVE OR GET EXPOSED

Generated: 2026-05-30 06:11:40
First seen: 2026-05-13 07:00:07
Last seen: 2026-05-15 13:00:06
208

⛔ Verdict: BLOCK

This IP address has been classified as a source of malicious automated activity. Threat score: 208/100. Total malicious requests observed: 2.

UA_CHANGEDDANGER_PATHBURSTMETHOD
01

Geolocation & Classification

IP Address
177.131.162.0
Type
Residential
Country
🇧🇷 Brazil
City
Cabo Frio
ISP
Giga Mais Fibra Telecomunicacoes S.A.
Organization
Unknown
Autonomous System
AS28210 GIGA MAIS FIBRA TELECOMUNICACOES S.A.
Hit Count
2
02

Detection Signatures

SignatureDescriptionPointsSeverity
UA changed for same IPMultiple User-Agents — bot rotation technique+25
Danger strong hits: 6High-risk paths: shells, RCE vectors, exploits+100
Danger medium hits: 4Medium-risk: admin panels, config files+40
Burst: 6 req / 2sAbnormally fast request rate — automated scanning+35
POST requests presentBehavioral anomaly detected by automated analysis+8
Danger strong hits: 3High-risk paths: shells, RCE vectors, exploits+75
Danger medium hits: 2Medium-risk: admin panels, config files+20
Σ = 303
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

2026-05-13 07:00:07
First malicious request detected
IP entered monitoring from server access logs
During observation
Multiple detection signatures triggered
UA changed for same IP (+25), Danger strong hits: 6 (+100), Danger medium hits: 4 (+40)
2026-05-15 13:00:06
Last malicious request observed
Total score reached: 208/100
Next cycle
IP blocked — all subsequent requests denied (HTTP 403)
Added to blocklist automatically
05

Network Provider

Giga Mais Fibra Telecomunicacoes S.A.
AS28210 · 🇧🇷 Brazil
06

Recommendations

Actions taken & recommended

  • IP 177.131.162.0 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

🤖 User-Agent Anomaly Defense

IP 177.131.162.0 shows suspicious UA behavior. Block empty User-Agent requests. Implement JavaScript-based bot detection for sensitive endpoints.

🌊 Flood / DDoS Mitigation

Implement limit_req_zone in nginx. Deploy CDN with DDoS protection. Configure SYN cookies and connection tracking to throttle 177.131.162.0.

09

Blacklist Status (DNSBL)

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

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

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

10

Threat Analysis

177.131.162.0 has been assigned a threat score of 208/100 (Critical). This places it in the critical threat category. Immediate blocking is strongly advised across all network perimeters.

The following attack categories were identified:

User-Agent AnomalyRequest Flooding

📊 Threat Analysis

IP address 177.131.162.0 has been traced to Cabo Frio, Brazil, operating on the network of Giga Mais Fibra Telecomunicacoes S.A.. Our threat detection systems have flagged this address based on observed malicious behavior patterns. Over a period of 2 days, this IP generated 2 malicious requests, averaging approximately 1 requests per day. Operating from a residential network, this IP may represent a compromised home gateway or IoT device that has been drafted into a larger attack infrastructure. Two attack patterns were identified (User-Agent Anomaly and Request Flooding), suggesting a semi-automated campaign that targets multiple vulnerabilities. With 101 flagged addresses, Brazil represents a significant presence in our threat database. At 208/100, this is an extremely high-risk address. All traffic should be considered hostile.

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 Brazil

173.245.211.6 (293)20.206.78.203 (283)20.197.194.128 (280)4.201.75.230 (280)20.197.233.108 (280)View all →

🏢 Same network: AS28210

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.

💡 SSH Brute Force Defense

SSH servers face constant brute force attacks targeting common usernames and weak passwords. Key-based authentication, fail2ban, non-standard ports, and IP allowlisting dramatically reduce the attack surface. Monitoring auth logs reveals active campaigns and compromised credentials.

🔍 Check Any IP Address

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