""ET TROJAN JavaRAT Keep-Alive (outbound)""

SID: 2026583

Revision: 2

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2018_11_07, deployment Perimeter, performance_impact Moderate, signature_severity Major, updated_at 2020_11_10

Reference:

  • md5

  • 9a33176dd80de6f49099a148a2df3491

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: any

Flow: established,to_server

Contents:

  • Value: "PNG_packet_" Depth: 11

Within:

PCRE:

Special Options:

  • nocase

source