""ET TROJAN MSIL.BackNet Checkin""

SID: 2026572

Revision: 1

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2018_11_02, deployment Perimeter, malware_family Stealer, signature_severity Major, updated_at 2018_11_02

Reference:

  • md5

  • aebb382b54e1521ad1309f66d29a1d1c

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "POST"

  • Value: "data=%7B%22host_key%22%3A%22" Depth: 28

  • Value: !"Referer"

  • Value: !"User-Agent"

Within:

PCRE:

Special Options:

  • http_method

  • http_client_body

  • http_header

  • http_header

source