""ET TROJAN Suspected APT32/OceanLotus Activity""

SID: 2031683

Revision: 2

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2021_03_01, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, signature_severity Major, updated_at 2021_03_01

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "POST"

  • Value: "User-Agent|3a 20|Collection Info/1.0|0d 0a|"

  • Value: "data1=" Depth: 6

Within:

PCRE:

Special Options:

  • http_method

  • fast_pattern

  • http_header

  • http_client_body

source