""ET TROJAN Win32/Cryptbotv2 CnC Activity (POST) M2""

SID: 2045231

Revision: 2

Class Type: trojan-activity

Metadata: created_at 2023_04_28, updated_at 2023_04_29

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: ".php"

  • Value: "form-data|3b 20|name=|22|files|5b 5d 22 3b 20|"

  • Value: !"Referer"

Within:

PCRE: "/Content-Type\x3a\x20[^\r\n]+\r\nHost\x3a\x20[^\r\n]+\r\nContent-Length\x3a\x20[^\r\n]+\r\n/Hm"

Special Options:

  • http_method

  • http_uri

  • http_client_body

  • fast_pattern

source