Chafer Malware URL Pattern

Description

Detects HTTP request used by Chafer malware to receive data from its C2.

Query · sigma

selection:
  c-uri|contains: /asp.asp\?ui=
condition: selection

Known false positives

  • Unknown
Raw source Chafer Malware URL Pattern · Sigma
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Published by SigmaHQ/sigma ↗, licensed under Detection Rule License 1.1 ↗. Reproduced here unmodified. 
title: Chafer Malware URL Pattern
id: fb502828-2db0-438e-93e6-801c7548686d
status: test
description: Detects HTTP request used by Chafer malware to receive data from its C2.
references:
    - https://securelist.com/chafer-used-remexi-malware/89538/
author: Florian Roth (Nextron Systems)
date: 2019-01-31
modified: 2024-02-15
tags:
    - attack.command-and-control
    - attack.t1071.001
    - detection.emerging-threats
logsource:
    category: proxy
detection:
    selection:
        c-uri|contains: '/asp.asp\?ui='
    condition: selection
falsepositives:
    - Unknown
level: high

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