""ET TROJAN Proyecto RAT Variant - Yopmail Stage 2 CnC Retrieval""

SID: 2027735

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 2019_07_19, deployment Perimeter, performance_impact Low, signature_severity Major, tag RAT, updated_at 2019_07_19

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: established,from_server

Contents:

  • Value: "200"

  • Value: "|3c|span class|3d 22|lms|22 3e c2 a1|"

  • Value: "|c2 a1|"

Within: 30

PCRE:

Special Options:

  • http_stat_code

  • file_data

  • fast_pattern

source