""ET TROJAN RansomCrypt Intial Check-in""

SID: 2016748

Revision: 1

Class Type: trojan-activity

Metadata: created_at 2013_04_10, updated_at 2022_03_24

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: any

Flow: to_server,established

Contents:

  • Value: "GET " Depth: 4

  • Value: "Windows NT 5.1|3b| ru|3b|"

  • Value: "Gecko/20100722 Firefox/3.6.12|0d 0a|Host|3a|"

Within:

PCRE: "/^\/[a-zA-Z0-9]+\sHTTP/R"

Special Options:

source