""ET TROJAN Suspected APT32/Oceanlotus Maldoc CnC""

SID: 2030652

Revision: 2

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2020_08_05, deployment Perimeter, deployment SSLDecrypt, malware_family APT32, malware_family OceanLotus, performance_impact Low, signature_severity Major, updated_at 2020_08_05

Reference:

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: ".png?"

  • Value: "=e010000127"

  • Value: ".exe|3b|"

Within:

PCRE: "/^[^\r\n]+.exe(?:\x3b)?$/Ui"

Special Options:

  • http_method

  • http_uri

  • fast_pattern

  • http_uri

  • nocase

  • http_uri

source