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KRVTZ-NET IDS alerts for 2026-04-21

0
Low
Published: Tue Apr 21 2026 (04/21/2026, 00:00:00 UTC)
Source: CIRCL OSINT Feed
Vendor/Project: tlp
Product: clear

Description

KRVTZ-NET IDS alerts for 2026-04-21

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 04/21/2026, 07:16:02 UTC

Technical Analysis

KRVTZ-NET IDS alerts for 2026-04-21 capture network reconnaissance activity detected by intrusion detection systems. Indicators include inbound requests to hidden environment files and suspicious user-agent strings from multiple IP addresses. The data does not identify a specific vulnerability or exploit but highlights potential scanning or probing activity. There is no CVE associated, no known exploits in the wild, and no vendor advisories or patches. The threat is categorized as low severity reconnaissance activity based on observed network traffic patterns.

Potential Impact

The impact is limited to reconnaissance activity detected by IDS sensors. There is no evidence of exploitation or active compromise. The alerts indicate potential probing attempts that could precede further attack stages but do not themselves represent a direct security breach or vulnerability exploitation.

Mitigation Recommendations

No patch or official remediation is available or necessary for this reconnaissance activity. Security teams should continue monitoring network traffic for suspicious patterns and apply standard detection and response procedures. Since this is an observation of network activity without a known exploit, no urgent action is required.

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Technical Details

Uuid
f557b7b4-ac80-4aa3-8250-913559a23027
Original Timestamp
1776745380

Indicators of Compromise

Ip

ValueDescriptionCopy
ip43.134.88.239
ET INFO Request to Hidden Environment File - Inbound
ip121.200.217.27
ET HUNTING Suspicious User-Agent Observed (Mozilla/5.0 (Windows NT XX.X Win64 x64) AppleWebKit/XXX.XX)
ip172.236.60.243
ET HUNTING Suspicious User-Agent Observed (Mozilla/5.0 (Windows NT XX.X Win64 x64) AppleWebKit/XXX.XX)
ip157.20.82.7
ET HUNTING Suspicious User-Agent Observed (Mozilla/5.0 (Windows NT XX.X Win64 x64) AppleWebKit/XXX.XX)

Threat ID: 69e720a919fe3cd2cdab8fe4

Added to database: 4/21/2026, 7:00:57 AM

Last enriched: 4/21/2026, 7:16:02 AM

Last updated: 4/21/2026, 8:12:22 AM

Views: 3

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