""ET TROJAN FAKBEN Ransomware""

SID: 2022283

Revision: 2

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2015_12_18, deployment Perimeter, signature_severity Major, tag Ransomware, updated_at 2015_12_18, mitre_tactic_id TA0040, mitre_tactic_name Impact, mitre_technique_id T1486, mitre_technique_name Data_Encrypted_for_Impact

Reference:

  • md5

  • c952a88edc0766adf819b30cd2683ac7

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "GET"

  • Value: ".php?btc="

  • Value: "&wid="

  • Value: "|3a|TWljcm9zb2Z0IFdpbmR"

  • Value: !"Accept"

  • Value: !"Referer|3a 20|"

  • Value: !"User-Agent|3a 20|"

Within:

PCRE:

Special Options:

  • http_method

  • http_uri

  • nocase

  • fast_pattern

  • http_uri

  • nocase

  • http_uri

  • http_header

  • http_header

  • http_header

source