""ET TROJAN Win32/Onliner CnC Checkin""

SID: 2027807

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 2019_08_06, deployment Perimeter, malware_family Onliner, performance_impact Low, signature_severity Major, tag SpamBot, updated_at 2019_08_06

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "POST"

  • Value: "/adm.php"

  • Value: "k=" Depth: 2

  • Value: "Accept-Language|3a 20|en-US|3b|q=0.5,en|3b|q=0.3"

  • Value: !"Referer|3a|"

  • Value: "Content"

  • Value: "User-Agent|3a|"

Within:

PCRE: "/^k=\d{5,10}$/P"

Special Options:

  • http_method

  • http_uri

  • fast_pattern

  • http_client_body

  • http_header

  • http_header

  • http_header

  • http_header

source