""ET TROJAN Gamaredon Style MalDoc .dot Download on freedynamicdns .org""

SID: 2030232

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_01, deployment Perimeter, signature_severity Major, updated_at 2020_06_01

Reference:

  • md5

  • 2180fa8e767676a6802cf3d5d23ea6de

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "HEAD"

  • Value: ".dot"

  • Value: "Host|3a 20|"

  • Value: ".freedynamicdns.org|0d 0a|"

Within:

PCRE: "/\/[A-Za-z]{4,9}.dot$/U"

Special Options:

  • http_method

  • http_uri

  • http_header

  • fast_pattern

  • http_header

source