""ET TROJAN Win32/Delf.OKR Variant CnC M1""

SID: 2033949

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 2021_09_14, deployment Perimeter, performance_impact Moderate, signature_severity Major, updated_at 2021_09_14

Reference:

  • md5

  • 320564554767ddd328932997067f64a5

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: 1024:

Flow: established,to_server

Contents:

  • Value: "|3d 22 3f 4b 0a|" Depth: 5

Within:

PCRE:

Special Options:

source