title: Pingback Backdoor
author: Bhabesh Raj
date: 2021/05/05
description: Detects the use of Pingback backdoor that creates ICMP tunnel for C2
    as described in the trustwave report
detection:
    SELECTION_1:
        EventID: 11
    SELECTION_2:
        Image: '*updata.exe'
    SELECTION_3:
        TargetFilename: C:\Windows\oci.dll
    condition: (SELECTION_1 and SELECTION_2 and SELECTION_3)
falsepositives:
- Very unlikely
id: 2bd63d53-84d4-4210-80ff-bf0658f1bf78
level: high
logsource:
    category: file_event
    product: windows
modified: 2021/09/09
references:
- https://www.trustwave.com/en-us/resources/blogs/spiderlabs-blog/backdoor-at-the-end-of-the-icmp-tunnel
- https://app.any.run/tasks/4a54c651-b70b-4b72-84d7-f34d301d6406
status: experimental
tags:
- attack.persistence
- attack.t1574.001
yml_filename: file_event_pingback_backdoor.yml
yml_path: /Users/user/Documents/YamatoSecurity/sigma/rules/windows/file_event