SVG Phishing Malware Network Connection

SIGMA detection rule by Unknown · Unknown

Detects network connections to malicious infrastructure

title: SVG Phishing Malware Network Connection
id: 4d98123f-e95b-1a4a-318b-28ee13bccf3d
status: experimental
description: Detects network connections to malicious infrastructure
date: 2026/03/12
references:
    - https://blog.seccops.com/svg-phishing-analysis
tags:
    - attack.command_and_control
    - attack.t1071.001
logsource:
    category: network_connection
    product: windows
detection:
    selection:
        DestinationHostname|endswith:
            - 'brifutelectric.com'
            - 'poocheasta.biz.pl'
            - 'pocaheasta.biz.pl'
        Initiated: 'true'
    condition: selection
falsepositives:
    - Legitimate connections
level: critical

[[ currentRule.title && currentRule.title.length > 60 ? currentRule.title.slice(0, 60) + '…' : currentRule.title ]]

ecd3a571-d3c4-4fa8-b6e1-8ccfa5e2f8ae

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Executable code, not a declarative rule

This submission is arbitrary [[ currentRule.format ? currentRule.format.toUpperCase() : '' ]] code, not a declarative detection rule — review it as you would any script before running it, and note that it cannot be safely aggregated or auto-executed alongside YARA/Sigma/Suricata/CRS rules.

Rejected pattern present

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Format & documentation suggestions

Not a security issue — this rule is valid and was accepted as-is. These are optional fields/conventions its own format recommends, mainly affecting its quality score and how well it documents itself for other reviewers.

[[ reason ]]

What do these messages mean?

[[ currentRule.title && currentRule.title.length > 60 ? currentRule.title.slice(0, 60) + '…' : currentRule.title ]]

[[ currentRule.title ]]

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