""ET TROJAN Qbot Payload Request (2023-03-13) M1""

SID: 2044565

Revision: 2

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2023_03_13, deployment Perimeter, deployment SSLDecrypt, malware_family Qbot, performance_impact Moderate, confidence High, signature_severity Major, updated_at 2023_03_24

Reference:

• md5

• bcab81a1ed888cf6b786da366af26134

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: ".js?1"

• Value: !"="

• Value: !"Referer|3a 20|"

Within:

PCRE: "/^\/(?P[a-z]{2,4})\/(?P=base_dir).js\?1[0-9]{4}$/U"

Special Options:

• http_method

• http_uri

• fast_pattern

• http_uri

• http_header

source