""ET TROJAN Unknown RAT CnC Checkin""

SID: 2052876

Revision: 1

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Windows_11, attack_target Client_and_Server, tls_state plaintext, created_at 2024_05_23, deployment Perimeter, performance_impact Moderate, confidence Medium, signature_severity Major, updated_at 2024_05_23

Reference:

  • md5

  • db9fd417244157770e31fb4b39e0e97a

Protocol: udp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: any

Flow:

Contents:

  • Value: "|00 00 00 00 ca 01|"

Offset: 8

Within:

PCRE:

Special Options:

  • fast_pattern

source