""ET TROJAN Spora Ransomware Checkin""

SID: 2024041

Revision: 2

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2017_03_09, deployment Perimeter, malware_family Spora, signature_severity Major, tag Ransomware, updated_at 2017_03_09, 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: to_server,established

Contents:

• Value: "POST"

• Value: !"Referer|3a|"

• Value: "=XDATABASE64ENCRYPTED"

• Value: !"Cookie|3a|"

Within:

PCRE:

Special Options:

• http_method

• http_header

• http_client_body

source