""ET INFO Observed POST to xsph .ru Domain""

SID: 2032531

Revision: 2

Class Type: bad-unknown

Metadata: affected_product Any, attack_target Client_Endpoint, created_at 2021_04_08, deployment Perimeter, signature_severity Major, updated_at 2021_04_08

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: ".xsph.ru|0d 0a|"

  • Value: !"Referer|3a 20|"

Within:

PCRE: "/^Host\x3a\x20[^\r\n]+.xsph.ru/Hmi"

Special Options:

  • http_method

  • fast_pattern

  • http_header

  • http_header

source