""ET TROJAN Win32/Backdoor.Agent.qweydh CnC Checkin M1""

SID: 2025170

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 2017_12_22, deployment Perimeter, performance_impact Moderate, signature_severity Major, updated_at 2017_12_22

Reference:

  • md5

  • 5dcc10711305c0bd4c8290eaae660ef3

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: "/api/up.php"

  • Value: "Host|3a|" Depth: 5

  • Value: !"Content-Type|3a|"

  • Value: !"Accept"

  • Value: !"User-Agent|3a|"

  • Value: !"Referer|3a|"

Within:

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

Special Options:

  • http_method

  • http_uri

  • fast_pattern

  • http_header

  • http_header

  • http_header

  • http_header

source