""ET TROJAN MSIL.Kraken.v2 HTTP Pattern""

SID: 2026588

Revision: 1

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2018_11_09, deployment Perimeter, malware_family Ransomware, malware_family Kraken_Ransomware, signature_severity Major, tag Ransomware, updated_at 2018_11_09

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "-Agent|3a 20|Kraken web request agent/"

  • Value: !"Referer"

  • Value: !"Accept"

Within:

PCRE:

Special Options:

  • http_header

  • http_header

  • http_header

source