ABUSE.MOM
THREAT REPORT

IP Threat Report
81.222.98.25

ABUSE.MOM — BEHAVE OR GET EXPOSED

Generated: 2026-05-27 14:51:02
First seen: 2026-02-17 17:25:07
Last seen: 2026-03-27 01:00:06
118

⛔ Verdict: BLOCK

This IP address has been classified as a source of malicious automated activity. Threat score: 118/100. Total malicious requests observed: 19.

DANGER_PATHRATIO_404METHODREFERERBURSTUA_CHANGED
01

Geolocation & Classification

IP Address
81.222.98.25
Type
Residential
Country
🇷🇺 Russia
City
Moscow
ISP
PJSC "Vimpelcom"
Organization
Sovam Returnable
Autonomous System
AS3216 PJSC "Vimpelcom"
Hit Count
19
02

Detection Signatures

SignatureDescriptionPointsSeverity
Danger medium hits: 1Medium-risk: admin panels, config files+10
404 ratio >= 60%Majority of requests returned 404 — enumeration+25
POST requests presentBehavioral anomaly detected by automated analysis+8
Danger medium hits: 2Medium-risk: admin panels, config files+20
404 ratio 40-60%Majority of requests returned 404 — enumeration+15
Foreign referer seenReferer from unrelated external domain+10
Burst: 5 req / 2sAbnormally fast request rate — automated scanning+35
Burst: 6 req / 2sAbnormally fast request rate — automated scanning+35
UA changed for same IPMultiple User-Agents — bot rotation technique+25
Danger medium hits: 4Medium-risk: admin panels, config files+40
Burst: 7 req / 2sAbnormally fast request rate — automated scanning+35
Σ = 258
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

2026-02-17 17:25:07
First malicious request detected
IP entered monitoring from server access logs
During observation
Multiple detection signatures triggered
Danger medium hits: 1 (+10), 404 ratio >= 60% (+25), POST requests present (+8)
2026-03-27 01:00:06
Last malicious request observed
Total score reached: 118/100
Next cycle
IP blocked — all subsequent requests denied (HTTP 403)
Added to blocklist automatically
05

Network Provider

PJSC "Vimpelcom"
AS3216 · 🇷🇺 Russia
06

Recommendations

Actions taken & recommended

  • IP 81.222.98.25 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 81.222.98.0/24
  • 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 81.222.98.25 is enumerating directories. Configure fail2ban apache-404 jail after 10+ 404 errors. Disable directory listings. Normalize all 404 responses.

🌊 Traffic Flood Defense

IP 81.222.98.25 is generating excessive traffic. Limit connections per source IP. Enable geographic blocking if traffic from this region is unexpected.

🤖 Bot Detection

Address UA spoofing from 81.222.98.25: maintain blocklist of known malicious UA strings, require consistent UA across sessions, implement TLS fingerprinting.

07

Neighbors in 81.222.98.0/24

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
Spamhaus ZEN

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

10

Threat Analysis

81.222.98.25 has been assigned a threat score of 118/100 (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:

Path EnumerationRequest FloodingUser-Agent Anomaly

📊 Threat Analysis

81.222.98.25 is registered in Moscow, Russia, operating on the network of PJSC "Vimpelcom". This IP first appeared in our threat feeds after triggering multiple behavioral detection signatures. During its 37-day observation window, we recorded 19 hostile requests from this IP — roughly 0.5 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 diversity of 3 separate attack methods suggests a comprehensive attack toolkit — likely an automated scanner that tests for vulnerabilities across multiple categories. Our records show 106 malicious IPs originating from Russia, positioning it as a significant contributor to global threat activity. A score of 118/100 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 Russia

157.22.102.172 (313)178.130.54.159 (288)72.56.191.6 (265)95.182.125.201 (265)91.240.87.225 (263)View all →

🏢 Same network: AS3216

81.222.98.3 (128)81.9.28.25 (108)81.222.98.20 (90)81.222.98.27 (80)95.25.162.25 (60)View all →
12

Security Intelligence

💡 Brute Force Attack Mechanics

Brute force attacks systematically try username and password combinations to gain unauthorized access. Modern attacks leverage credential databases from previous breaches, testing millions of combinations using distributed botnets across multiple IP addresses.

💡 Backup and Recovery Against Ransomware

Immutable, offline backups remain the most effective defense against ransomware. The 3-2-1 rule — three copies on two media types with one offsite — combined with regular recovery testing ensures business continuity after encryption attacks.

🔍 Check Any IP Address

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