Detectionhightest

DNS Query for Anonfiles.com Domain - Sysmon

Detects DNS queries for "anonfiles.com", which is an anonymous file upload platform often used for malicious purposes

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Launch
Martin MuellerCreated Fri Jul 15Updated Mon Jan 16065cceea-77ec-4030-9052-fc0affea7110windows
Log Source
WindowsDNS Query
ProductWindows← raw: windows
CategoryDNS Query← raw: dns_query

DNS lookup events generated by endpoint monitoring tools.

Detection Logic
Detection Logic1 selector
detection:
    selection:
        QueryName|contains: '.anonfiles.com'
    condition: selection
False Positives

Rare legitimate access to anonfiles.com

Rule Metadata
Rule ID
065cceea-77ec-4030-9052-fc0affea7110
Status
test
Level
high
Type
Detection
Created
Fri Jul 15
Modified
Mon Jan 16
Path
rules/windows/dns_query/dns_query_win_anonymfiles_com.yml
Raw Tags
attack.exfiltrationattack.t1567.002
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