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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
critical
PwnDrp Access
Detects downloads from PwnDrp web servers developed for red team testing and most likely also used for criminal activity
status test author Florian Roth (Nextron Systems) id 2b1ee7e4-89b6-4739-b7bb-b811b6607e5e
view Sigma YAML
title: PwnDrp Access
id: 2b1ee7e4-89b6-4739-b7bb-b811b6607e5e
status: test
description: Detects downloads from PwnDrp web servers developed for red team testing and most likely also used for criminal activity
references:
    - https://breakdev.org/pwndrop/
author: Florian Roth (Nextron Systems)
date: 2020-04-15
modified: 2021-11-27
tags:
    - attack.command-and-control
    - attack.t1071.001
    - attack.t1102.001
    - attack.t1102.003
logsource:
    category: proxy
detection:
    selection:
        c-uri|contains: '/pwndrop/'
    condition: selection
falsepositives:
    - Unknown
level: critical
high
Raw Paste Service Access
Detects direct access to raw pastes in different paste services often used by malware in their second stages to download malicious code in encrypted or encoded form
status test author Florian Roth (Nextron Systems) id 5468045b-4fcc-4d1a-973c-c9c9578edacb
view Sigma YAML
title: Raw Paste Service Access
id: 5468045b-4fcc-4d1a-973c-c9c9578edacb
status: test
description: Detects direct access to raw pastes in different paste services often used by malware in their second stages to download malicious code in encrypted or encoded form
references:
    - https://www.virustotal.com/gui/domain/paste.ee/relations
author: Florian Roth (Nextron Systems)
date: 2019-12-05
modified: 2023-01-19
tags:
    - attack.command-and-control
    - attack.t1071.001
    - attack.t1102.001
    - attack.t1102.003
logsource:
    category: proxy
detection:
    selection:
        c-uri|contains:
            - '.paste.ee/r/'
            - '.pastebin.com/raw/'
            - '.hastebin.com/raw/'
            - '.ghostbin.co/paste/*/raw/'
            - 'pastetext.net/'
            - 'pastebin.pl/'
            - 'paste.ee/'
    condition: selection
falsepositives:
    - User activity (e.g. developer that shared and copied code snippets and used the raw link instead of just copy & paste)
level: high
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