""ET TROJAN Cryptowall 2.0 DL URI Struct Oct 2 2014""

SID: 2019341

Revision: 2

Class Type: trojan-activity

Metadata: created_at 2014_10_02, performance_impact Moderate, updated_at 2024_04_08

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: to_server,established

Contents:

  • Value: "GET"

  • Value: "/blog/" Depth: 6

  • Value: !"Accept"

  • Value: !"Referer|3a|"

Within:

PCRE: "/^User-Agent\x3a[^\r\n]+(?:MSIE|rv\x3a11.0)[^\r\n]+\r\nHost\x3a[^\r\n]+\r\nCache-Control\x3a\x20no-cache\r\n(?:\r\n)?$/H"

Special Options:

  • http_method

  • http_uri

  • http_header

  • http_header

source