""ET TROJAN Win32/BlackNET CnC Requesting Command""

SID: 2029180

Revision: 4

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2019_12_17, deployment Perimeter, malware_family BlackNET, signature_severity Major, updated_at 2021_11_22, reviewed_at 2024_02_28

Reference:

  • md5

  • 16b2192fc64d1cc4347cc505234efbb7

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "GET"

  • Value: "/getCommand.php?id="

  • Value: !"Referer|3a|"

Within:

PCRE: "/^Host\x3a\x20[^\r\n]+\r\n\r\n$/Hmi"

Special Options:

  • http_method

  • fast_pattern

  • http_uri

  • http_header

source