""ET TROJAN ValleyRAT CnC Checkin Server Response""

SID: 2038859

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_and_Server, created_at 2022_09_15, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, updated_at 2022_09_15

Reference:

  • md5

  • f4d9b144234ff75d669b1265f708ec55

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: any

Destination Network: $HOME_NET

Destination Port: any

Flow: established,to_client

Contents:

  • Value: "|13 00 00 00 31 00 32 00 33 00 34 00 35 00 36 00 00 00 00|"

Within:

PCRE:

Special Options:

  • fast_pattern

source