""ET TROJAN Possible Tunna Proxy Closing Connection""

SID: 2028577

Revision: 2

Class Type: trojan-activity

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

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: $HTTP_PORTS

Destination Network: any

Destination Port: any

Flow: established,from_server

Contents:

  • Value: "200"

  • Value: "|5b|Server|5d 20|Closing|20|the|20|connection|20|" Depth: 32

Within:

PCRE:

Special Options:

  • http_stat_code

  • file_data

source