""ET USER_AGENTS Suspicious User-Agent (xfilesreborn)""

SID: 2038731

Revision: 1

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_09_02, deployment Perimeter, signature_severity Major, tag User_Agent, updated_at 2022_09_02, reviewed_at 2024_05_08

Reference:

• md5

• ba542a8d1d21e2016ade340fdc08d1a4

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: to_server,established

Contents:

• Value: "User-Agent|3a 20|xfilesreborn|0d 0a|"

Within:

PCRE:

Special Options:

• http_header

source