""ET TROJAN Win32/Aura Ransomware CnC Activity""

SID: 2026099

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 2018_09_06, deployment Perimeter, malware_family Aura, signature_severity Major, tag Ransomware, updated_at 2018_09_06, mitre_tactic_id TA0040, mitre_tactic_name Impact, mitre_technique_id T1486, mitre_technique_name Data_Encrypted_for_Impact

Reference:

  • md5

  • dde4654f1aa9975d1ffea1af8ea5015f

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: "User-Agent|3a 20|{KIARA}|0d 0a|"

  • Value: "id=" Depth: 3

  • Value: "&guid="

  • Value: !"Referer|3a|"

Within:

PCRE:

Special Options:

  • http_method

  • http_header

  • fast_pattern

  • http_client_body

  • http_client_body

  • http_header

source