""ET TROJAN Trojan/MSIL.DOTHETUK CnC Activity""

SID: 2030411

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 2020_06_30, deployment Perimeter, performance_impact Low, signature_severity Major, updated_at 2020_06_30

Reference:

  • md5

  • 381cbfba113423382b17f0bb18b9cee9

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "GET /monitorpcsettings/settings.txt HTTP/1.1|0d 0a|Host|3a 20|" Depth: 52

  • Value: "Host|3a 20|" Depth: 6

  • Value: !"Referer"

  • Value: !"Accept"

Within:

PCRE: "/^Host\x3a\x20[^\r\n]+\r\nConnection\x3a\x20Keep-Alive\r\n\r\n$/H"

Special Options:

  • fast_pattern

  • http_header

  • http_header

  • http_header

source