""ET TROJAN Win32/Injector.DSQR CnC Activity (POST)""

SID: 2034936

Revision: 2

Class Type: attempted-admin

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_01_18, deployment Perimeter, signature_severity Major, updated_at 2022_01_18, reviewed_at 2024_06_26

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: any

Flow: established,to_server

Contents:

  • Value: "POST"

  • Value: "CallGetResponse:"

  • Value: !"Referer"

  • Value: "data|3d 7b 22|msg|22 3a 22|DataRecivied|2d 3e 7b 5c 22|message|5c 22 3a 5c 22|JSON.parse|5c|" Depth: 53

Within:

PCRE: "/^User-Agent\x3a\x20dBrowser\x20\d\x20CallGetResponse\x3a\d/Hmi"

Special Options:

  • http_method

  • http_header

  • http_header

  • fast_pattern

  • http_client_body

source