""ET CURRENT_EVENTS Anonisma AES Crypto Observed in Javascript - Possible Phishing Landing 2015-12-29""

SID: 2031741

Revision: 2

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2015_12_29, deployment Perimeter, signature_severity Critical, tag Phishing, updated_at 2017_10_16, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1566, mitre_technique_name Phishing

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: established,from_server

Contents:

  • Value: "Encriptado por Anonisma"

  • Value: "Aes.cipher"

  • Value: "Aes.keyExpansion"

Within:

PCRE:

Special Options:

  • file_data

  • nocase

  • fast_pattern

  • nocase

  • nocase

source