Potentially Suspicious Ping/Copy Command Combination

Description

Detects uncommon and potentially suspicious one-liner command containing both "ping" and "copy" at the same time, which is usually used by malware.

Query · sigma

selection_cmd:
- Image|endswith: \cmd.exe
- OriginalFileName: Cmd.Exe
selection_action:
  CommandLine|contains|all:
  - ping
  - 'copy '
selection_cli_1:
  CommandLine|contains|windash: ' -n '
selection_cli_2:
  CommandLine|contains|windash: ' -y '
condition: all of selection_*

Known false positives

  • Unknown
Raw source Potentially Suspicious Ping/Copy Command Combination · Sigma
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Published by SigmaHQ/sigma ↗, licensed under Detection Rule License 1.1 ↗. Reproduced here unmodified. 
title: Potentially Suspicious Ping/Copy Command Combination
id: ded2b07a-d12f-4284-9b76-653e37b6c8b0
status: test
description: |
    Detects uncommon and potentially suspicious one-liner command containing both "ping" and "copy" at the same time, which is usually used by malware.
references:
    - Internal Research
author: X__Junior (Nextron Systems)
date: 2023-07-18
modified: 2024-03-06
tags:
    - attack.stealth
    - attack.t1070.004
logsource:
    category: process_creation
    product: windows
detection:
    # Note: In the case of sysmon and similar logging utilities, see this discussion https://github.com/SigmaHQ/sigma/discussions/4277
    selection_cmd:
        - Image|endswith: '\cmd.exe'
        - OriginalFileName: 'Cmd.Exe'
    selection_action:
        CommandLine|contains|all:
            - 'ping' # Covers "ping" and "ping.exe"
            - 'copy '
    selection_cli_1:
        CommandLine|contains|windash: ' -n ' # Count
    selection_cli_2:
        CommandLine|contains|windash: ' -y '
    condition: all of selection_*
falsepositives:
    - Unknown
level: medium

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