""ET TROJAN METALJACK APT32 CnC Host Checkin""

SID: 2029997

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_04_23, deployment Perimeter, deployment SSLDecrypt, signature_severity Major, updated_at 2020_04_23

Reference:

  • md5

  • d739f10933c11bd6bd9677f91893986c

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: ".png?CN="

  • Value: "&UN="

  • Value: "&C="

Within:

PCRE:

Special Options:

  • fast_pattern

  • http_uri

  • http_uri

  • http_uri

source