""ET TROJAN ZuoRAT GoBeacon CnC""

SID: 2037144

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2022_06_28, deployment Perimeter, deployment SSLDecrypt, malware_family ZuoRAT, performance_impact Low, signature_severity Major, updated_at 2022_06_28

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: "/api"

  • Value: "User-Agent|3a 20|Go-http-client/1.1"

  • Value: "Connection|3a 20|Keep-Alive"

  • Value: !"Referer|3a 20|"

Within:

PCRE: "/Connection\x3a\x20[^\r\n]+\r\nUser-Agent\x3a\x20[^\r\n]+\r\nContent-Length\x3a\x20[^\r\n]+\r\nHost\x3a\x20[^\r\n]+[\r\n]+$/H"

Special Options:

  • http_method

  • http_uri

  • http_header

  • fast_pattern

  • http_header

  • http_header

source