""ET WEB_SERVER Possible Darkleech C2""

SID: 2022260

Revision: 1

Class Type: trojan-activity

Metadata: created_at 2015_12_14, updated_at 2015_12_14

Reference:

Protocol: tcp

Source Network: $HTTP_SERVERS

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "/blog/?" Depth: 7

  • Value: "&utm_source="

  • Value: !"Referer|3a|"

Within:

PCRE: "/Host\x3a\x20\d{1,3}.\d{1,3}.\d{1,3}.\d{1,3}\r\n/H"

Special Options:

  • http_uri

  • fast_pattern

  • http_uri

source