""ET TROJAN BadRabbit Ransomware Activity Via WebDAV (infpub)""

SID: 2024906

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 2017_10_24, deployment Perimeter, malware_family BadRabbit, signature_severity Major, tag Ransomware, updated_at 2017_10_24, 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: any

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "PROPFIND"

  • Value: "/admin$/infpub.dat"

  • Value: "User-Agent|3a 20|Microsoft-WebDAV"

Within:

PCRE:

Special Options:

  • http_method

  • http_uri

  • fast_pattern

  • http_header

source