""ET TROJAN ApolloLocker Ransomware CnC Checkin 2""

SID: 2024667

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_09_06, deployment Perimeter, malware_family ApolloLocker, signature_severity Major, tag Ransomware, updated_at 2017_09_06, mitre_tactic_id TA0040, mitre_tactic_name Impact, mitre_technique_id T1486, mitre_technique_name Data_Encrypted_for_Impact

Reference:

• md5

• 8acaa375c2146224d628bb408c3902ff

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

• Value: "POST"

• Value: ".php"

• Value: "id=" Depth: 3

• Value: "&crypto=ApolloCrypto"

• Value: !"Referer|3a|"

Within:

PCRE:

Special Options:

• http_method

• http_uri

• http_client_body

• http_client_body

• fast_pattern

• http_header

source