""ET TROJAN Suspected Tunna Proxy M2""

SID: 2028573

Revision: 3

Class Type: trojan-activity

Metadata: created_at 2019_09_12, deployment Perimeter, malware_family Tunna, performance_impact Low, signature_severity Major, updated_at 2020_11_11

Reference:

Protocol: tcp

Source Network: any

Source Port: any

Destination Network: $HOME_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "POST"

  • Value: "?proxy&file&upload"

  • Value: "Accept-Encoding|3a 20|gzip|0d|"

  • Value: !"Referer|3a|"

Within:

PCRE: "/\?proxy&file&upload$/U"

Special Options:

  • http_method

  • http_uri

  • fast_pattern

  • http_header

  • http_header

source