""ET MALWARE Win32/Adware.VrBrothers.AI Variant CnC Activity""

SID: 2030353

Revision: 2

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_06_18, deployment Perimeter, performance_impact Low, signature_severity Minor, updated_at 2020_06_18

Reference:

• md5

• b0e8fed85cf0ae29fe921508e9c60fb9

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

• Value: "POST /api/SubmitUsageInfor " Depth: 27

• Value: "User-Agent|3a 20|Mozilla/4.0 (compatible)|0d 0a|"

• Value: "data=" Depth: 5

Within:

PCRE:

Special Options:

• fast_pattern

• http_header

• http_client_body

source