""ET TROJAN Galock Ransomware Check-in""

SID: 2016644

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2013_03_22, deployment Perimeter, signature_severity Major, tag Ransomware, updated_at 2013_03_22, mitre_tactic_id TA0040, mitre_tactic_name Impact, mitre_technique_id T1486, mitre_technique_name Data_Encrypted_for_Impact

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "&os="

  • Value: "&hostname="

  • Value: "&codepage="

  • Value: "&account"

  • Value: "|3a| Mozilla/4.1 "

Within:

PCRE:

Special Options:

  • http_uri

  • http_uri

  • http_uri

  • http_uri

  • http_header

source