ABUSE.MOM
THREAT REPORT

IP Threat Report
77.75.79.109

ABUSE.MOM — BEHAVE OR GET EXPOSED

Generated: 2026-05-27 19:33:18
First seen: 2026-04-04 10:00:08
Last seen: 2026-05-11 02:00:05
75

⛔ Verdict: BLOCK

This IP address has been classified as a source of malicious automated activity. Threat score: 75/100. Total malicious requests observed: 22.

BOT_UADANGER_PATHRATIO_404BURST
01

Geolocation & Classification

IP Address
77.75.79.109
Type
Residential
Country
🇨🇿 Czech Republic
City
Prague
ISP
Seznam - II
Organization
Unknown
Autonomous System
AS43037 Seznam.cz, a.s.
Hit Count
22
02

Detection Signatures

SignatureDescriptionPointsSeverity
UA bot: crawlerKnown bot/crawler User-Agent detected+40
Danger medium hits: 1Medium-risk: admin panels, config files+10
404 ratio 40-60%Majority of requests returned 404 — enumeration+15
Danger medium hits: 3Medium-risk: admin panels, config files+30
404 ratio >= 60%Majority of requests returned 404 — enumeration+25
Burst: 5 req / 2sAbnormally fast request rate — automated scanning+35
Σ = 155
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

2026-04-04 10:00:08
First malicious request detected
IP entered monitoring from server access logs
During observation
Multiple detection signatures triggered
UA bot: crawler (+40), Danger medium hits: 1 (+10), 404 ratio 40-60% (+15)
2026-05-11 02:00:05
Last malicious request observed
Total score reached: 75/100
Next cycle
IP blocked — all subsequent requests denied (HTTP 403)
Added to blocklist automatically
05

Network Provider

Seznam - II
AS43037 · 🇨🇿 Czech Republic
06

Recommendations

Actions taken & recommended

  • IP 77.75.79.109 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 77.75.79.0/24
  • 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 77.75.79.109: maintain blocklist of known malicious UA strings, require consistent UA across sessions, implement TLS fingerprinting.

🔎 Directory Scan Defense

IP 77.75.79.109 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 77.75.79.109.

07

Neighbors in 77.75.79.0/24

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

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

10

Threat Analysis

77.75.79.109 has been assigned a threat score of 75/100 (High). This classifies it as a high-severity threat. Proactive blocking is recommended for sensitive infrastructure.

The following attack categories were identified:

User-Agent AnomalyPath EnumerationRequest Flooding

📊 Threat Analysis

Threat intelligence analysis has linked 77.75.79.109 to malicious activity originating from Prague, Czech Republic, operating on the network of Seznam - II. The address has been under observation since its initial detection. During its 36-day observation window, we recorded 22 hostile requests from this IP — roughly 0.6 per day on average. 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. With 3 different attack patterns detected, this IP exhibits behavior characteristic of advanced automated scanning frameworks. Czech Republic currently accounts for 90 blocked IPs in our database, making it a notable source of malicious traffic. A threat score of 75/100 places this IP in the high-risk category. Blocking at the firewall level is 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 Czech Republic

82.118.30.24 (255)82.118.30.31 (255)82.118.30.19 (255)82.118.30.22 (255)82.118.30.12 (255)View all →

🏢 Same network: AS43037

77.75.76.170 (120)77.75.76.171 (110)77.75.77.95 (85)77.75.78.162 (85)77.75.77.109 (75)View all →
12

Security Intelligence

💡 HTTP Header Analysis for Threat Detection

Examining HTTP headers beyond User-Agent reveals attack tools and automated scripts. Missing standard headers, unusual ordering, non-standard values, and inconsistencies with claimed client identity all serve as reliable detection signals.

💡 Deception Technology Beyond Honeypots

Modern deception technology deploys fake credentials, decoy files, and breadcrumbs throughout production environments. When attackers interact with these deceptions, high-fidelity alerts trigger with virtually zero false positives.

🔍 Check Any IP Address

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