""ET TROJAN NanoCore RAT Keepalive Response 3""

SID: 2046911

Revision: 6

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2015_04_04, deployment Perimeter, malware_family NanoCore, performance_impact Significant, signature_severity Major, updated_at 2023_07_26, former_sid 2810451

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: [1024:]

Destination Network: $HOME_NET

Destination Port: any

Flow: established,to_client

Contents:

  • Value: "|08 00 00 00|" Depth: 4

  • Value: !"|00 00 00 00|"

Within: 4

PCRE:

Special Options:

source