""ET TROJAN Bladabindi/njrat CnC Checkin""

SID: 2033938

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2021_09_13, deployment Perimeter, malware_family njrat, performance_impact Low, signature_severity Major, updated_at 2021_09_13

Reference:

  • md5

  • 8db6655c0a5cb219c3bbc4bb5fc92e1a

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: any

Flow: established,to_server

Contents:

  • Value: "|20 5b 20|"

  • Value: "|20 5b 20|"

  • Value: "[endof]"

Within:

PCRE:

Special Options:

source