""ET TROJAN TURLA NETFLASH CnC""

SID: 2030236

Revision: 2

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2020_06_01, deployment Perimeter, performance_impact Low, signature_severity Major, updated_at 2020_06_01

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "GET"

  • Value: "/2018/.config/adobe" Depth: 19

  • Value: !"User-Agent"

  • Value: !"Referer"

Within:

PCRE: "/^Host\x3a\x20[^\r\n]+\r\nConnection[^\r\n]+\r\n\r\n/H"

Special Options:

  • http_method

  • fast_pattern

  • http_uri

  • http_header

  • http_header

source