""ET TROJAN Compromised Chat Application Related User-Agent (Chrorne)""

SID: 2043100

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2022_12_29, deployment Perimeter, confidence Medium, signature_severity Major, updated_at 2022_12_29

Reference:

• Link

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

• Value: "Chrorne"

Within:

PCRE:

Special Options:

• http_header

• fast_pattern

source