""ET TROJAN Win32/Generik.BUTNSNA Checkin""

SID: 2042992

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2022_12_21, deployment Perimeter, performance_impact Low, signature_severity Major, updated_at 2022_12_21, reviewed_at 2024_08_19

Reference:

  • md5

  • ec57a218756bff2b4d7656ac55a73af2

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: "|2e|ashx|3f|UserName|3d|"

  • Value: "|26|ClientID|3d|"

  • Value: "|26|ClientVer|3d|"

Within:

PCRE: "/^User-Agent\x3a\x20[^\r\n]+\r\nHost\x3a\x20[^\r\n]+\r\nCache-Control\x3a\x20[^\r\n]+[\r\n]+$/H"

Special Options:

  • http_method

  • http_uri

  • fast_pattern

  • http_uri

  • http_uri

source