""ET TROJAN Grandoreiro CnC Activity (iso)""

SID: 2030808

Revision: 2

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2020_08_27, deployment Perimeter, performance_impact Low, signature_severity Major, updated_at 2020_08_27

Reference:

  • md5

  • 2cb39126dd8f22ffdf2ad2b679405653

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: established,to_client

Contents:

  • Value: "|2e|iso|22 3b 0d 0a 0d 0a|VUVzREJCUUFBQUFJQU5sRUJWSHBLeVltQlY0OEFBQzh6QXNRQ"

  • Value: "200"

Within:

PCRE:

Special Options:

  • fast_pattern

  • http_stat_code

source