""ET TROJAN Win32/ErbiumStealer CnC Activity (GetBuild)""

SID: 2038481

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_08_09, deployment Perimeter, malware_family Erbium, signature_severity Major, updated_at 2022_08_09

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: "GET"

• Value: "/api/getBuild?type=x" Depth: 20

• Value: "User-Agent|3a 20|Erbium-UA-"

Within:

PCRE:

Special Options:

• http_method

• http_uri

• fast_pattern

• http_header

source