sigmalowHunting

Curl Usage on Linux

Detects a curl process start on linux, which indicates a file download from a remote location or a simple web request to a remote server

MITRE ATT&CK

T1105

command-and-control

Detection Query

selection:
  Image|endswith: /curl
condition: selection

Author

Nasreddine Bencherchali (Nextron Systems)

Created

2022-09-15

Data Sources

linuxProcess Creation Events

Platforms

linux

References

https://www.trendmicro.com/en_us/research/22/i/how-malicious-actors-abuse-native-linux-tools-in-their-attacks.html

Tags

attack.command-and-controlattack.t1105

Raw Content

title: Curl Usage on Linux
id: ea34fb97-e2c4-4afb-810f-785e4459b194
status: test
description: Detects a curl process start on linux, which indicates a file download from a remote location or a simple web request to a remote server
references:
    - https://www.trendmicro.com/en_us/research/22/i/how-malicious-actors-abuse-native-linux-tools-in-their-attacks.html
author: Nasreddine Bencherchali (Nextron Systems)
date: 2022-09-15
tags:
    - attack.command-and-control
    - attack.t1105
logsource:
    category: process_creation
    product: linux
detection:
    selection:
        Image|endswith: '/curl'
    condition: selection
falsepositives:
    - Scripts created by developers and admins
    - Administrative activity
level: low