""ET TROJAN Win32/Vulturi CnC Activity (GET)""

SID: 2042973

Revision: 2

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2022_01_18, deployment Perimeter, deployment SSLDecrypt, malware_family Vulturi, signature_severity Major, updated_at 2022_12_20, former_sid 2850868

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: any

Flow: established,to_server

Contents:

  • Value: "GET"

  • Value: "/fetch_options?username="

Within:

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

Special Options:

  • fast_pattern

source