""ET TROJAN CobianRAT Receiving Additional Commands From CnC""

SID: 2024653

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 2017_09_01, deployment Perimeter, malware_family CobianRAT, performance_impact Low, signature_severity Major, updated_at 2017_09_01

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: 1024:

Destination Network: $HOME_NET

Destination Port: any

Flow: from_server,established

Contents:

  • Value: "|01 00 00 00 FF FF FF FF 01|" Depth: 15

  • Value: "more|7c 2d 7c|"

Within: 30

PCRE: "/^(?:FM|SM|CP|CM|MC|NF|CH|PS|PT)/R"

Special Options:

  • fast_pattern

source