Detectionmediumtest

Pnscan Binary Data Transmission Activity

Detects command line patterns associated with the use of Pnscan for sending and receiving binary data across the network. This behavior has been identified in a Linux malware campaign targeting Docker, Apache Hadoop, Redis, and Confluence and was previously used by the threat actor known as TeamTNT

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Launch
David BurkettCreated Tue Apr 1697de11cd-4b67-4abf-9a8b-1020e670aa9elinux
Log Source
LinuxProcess Creation
ProductLinux← raw: linux
CategoryProcess Creation← raw: process_creation

Events generated when a new process is spawned on the system. Covers command-line arguments, parent/child relationships, and process metadata.

Detection Logic
Detection Logic1 selector
detection:
    selection:
        CommandLine|re: -(W|R)\s?(\s|"|')([0-9a-fA-F]{2}\s?){2,20}(\s|"|')
    condition: selection
False Positives
Unknown

False positive likelihood has not been assessed. Additional context may be needed during triage.

Rule Metadata
Rule ID
97de11cd-4b67-4abf-9a8b-1020e670aa9e
Status
test
Level
medium
Type
Detection
Created
Tue Apr 16
Path
rules/linux/process_creation/proc_creation_lnx_pnscan_binary_cli_pattern.yml
Raw Tags
attack.discoveryattack.t1046
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