""ET TROJAN DecryptmyFiles Ransomware CnC (POST)""

SID: 2032994

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2021_05_18, deployment Perimeter, signature_severity Major, tag Ransomware, updated_at 2021_05_18, mitre_tactic_id TA0040, mitre_tactic_name Impact, mitre_technique_id T1486, mitre_technique_name Data_Encrypted_for_Impact

Reference:

  • md5

  • 0e61e496fc218c1c6dc1f5640a3ac7e5

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: "Host|3a 20|decryptmyfiles.top|0d 0a|"

Within:

PCRE:

Special Options:

  • http_method

  • fast_pattern

  • http_header

source