""ET MALWARE Matanbuchus Loader CnC M4""

SID: 2034469

Revision: 2

Class Type: trojan-activity

Metadata: created_at 2021_11_16, updated_at 2021_11_16

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: [$HTTP_PORTS,44413]

Flow: established,to_server

Contents:

  • Value: "POST|20|" Depth: 5

  • Value: ".php HTTP/1"

  • Value: "Content-Type|3a 20|application/x-www-form-urlencoded|0d 0a|"

  • Value: "|0d 0a 0d 0a|"

  • Value: "=eyIzbTd4Ijoi"

Within: 55

PCRE: "/(?:IiwiYXU1byI6I|IsImF1NW8iOi|iLCJhdTVvIjoi)/R"

Special Options:

  • fast_pattern

source