""ET TROJAN Possible DACLS RAT Log Collector Download""

SID: 2029880

Revision: 2

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2020_04_10, deployment Perimeter, performance_impact Low, signature_severity Major, updated_at 2020_04_10

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: any

Destination Network: $HOME_NET

Destination Port: $HTTP_PORTS

Flow: established,to_client

Contents:

  • Value: "ELF" Depth: 3 Offset: 1

  • Value: "UPX|21|4"

  • Value: "|2f|tmp|2f|hdv"

  • Value: "_log"

Within:

PCRE:

Special Options:

  • file_data

  • fast_pattern

source