""ET TROJAN BigLock Ransomware CnC Activity (name)""

SID: 2030186

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 2020_05_19, deployment Perimeter, malware_family Ransomware, malware_family BigLock, signature_severity Major, tag Ransomware, updated_at 2020_05_19, mitre_tactic_id TA0040, mitre_tactic_name Impact, mitre_technique_id T1486, mitre_technique_name Data_Encrypted_for_Impact

Reference:

  • md5

  • ca9f28f5ae85fd014cbf07041117a735

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "|0d 0a|Content-Length|3a 20|6|0d 0a 0d 0a|name=1"

  • Value: "POST"

  • Value: ".php"

  • Value: !"Pragma"

  • Value: !"Cache"

  • Value: !"Referer|3a|"

Within:

PCRE:

Special Options:

  • fast_pattern

  • http_method

  • http_uri

  • http_header

  • http_header

  • http_header

source