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Sigma detection rules

2 rules indexed · SIEM-agnostic detection content
Sigma is the open generic signature format for SIEM systems. Each rule below converts to native syntax for Splunk, Elastic, Sentinel, and other SIEMs. Expand any rule to see its raw YAML.

Detection rules

2 shown of 2
low
Split A File Into Pieces
Detection use of the command "split" to split files into parts and possible transfer.
status test author Igor Fits, Mikhail Larin, oscd.community id 7f2bb9d5-6395-4de5-969c-70c11fbe6b12
view Sigma YAML
title: Split A File Into Pieces
id: 7f2bb9d5-6395-4de5-969c-70c11fbe6b12
status: test
description: Detection use of the command "split" to split files into parts and possible transfer.
references:
    - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1030/T1030.md
author: 'Igor Fits, Mikhail Larin, oscd.community'
date: 2020-10-15
modified: 2021-11-27
tags:
    - attack.exfiltration
    - attack.t1030
logsource:
    product: macos
    category: process_creation
detection:
    selection:
        Image|endswith: '/split'
    condition: selection
falsepositives:
    - Legitimate administrative activity
level: low
low
Split A File Into Pieces - Linux
Detection use of the command "split" to split files into parts and possible transfer.
status test author Igor Fits, oscd.community id 2dad0cba-c62a-4a4f-949f-5f6ecd619769
view Sigma YAML
title: Split A File Into Pieces - Linux
id: 2dad0cba-c62a-4a4f-949f-5f6ecd619769
status: test
description: 'Detection use of the command "split" to split files into parts and possible transfer.'
references:
    - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1030/T1030.md
author: 'Igor Fits, oscd.community'
date: 2020-10-15
modified: 2022-11-28
tags:
    - attack.exfiltration
    - attack.t1030
logsource:
    product: linux
    service: auditd
detection:
    selection:
        type: 'SYSCALL'
        comm: 'split'
    condition: selection
falsepositives:
    - Legitimate administrative activity
level: low
Showing 1-2 of 2
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