title: Pnscan Binary Data Transmission Activity id: 97de11cd-4b67-4abf-9a8b-1020e670aa9e status: test description: | 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 author: David Burkett (@signalblur) date: 2024-04-16 references: - https://www.cadosecurity.com/blog/spinning-yarn-a-new-linux-malware-campaign-targets-docker-apache-hadoop-redis-and-confluence - https://intezer.com/wp-content/uploads/2021/09/TeamTNT-Cryptomining-Explosion.pdf - https://regex101.com/r/RugQYK/1 - https://www.virustotal.com/gui/file/beddf70a7bab805f0c0b69ac0989db6755949f9f68525c08cb874988353f78a9/content tags: - attack.discovery - attack.t1046 logsource: category: process_creation product: linux detection: selection: CommandLine|re: -(W|R)\s?(\s|"|')([0-9a-fA-F]{2}\s?){2,20}(\s|"|') condition: selection falsepositives: - Unknown level: medium