""ET TROJAN Win32/SVCReady Loader CnC Activity""

SID: 2036856

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 2021_10_27, deployment Perimeter, malware_family SVCReady, signature_severity Major, updated_at 2021_10_27, reviewed_at 2024_03_08

Reference:

• md5

• 1036e57d1c8cde25a6680430354aa801

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

• Value: "POST"

• Value: ".php?zs="

• Value: "&t="

• Value: !"Referer|3a 20|"

• Value: !"Accept-|3a 20|"

Within:

PCRE: "/.php\?zs=[A-F0-9]{8}-[A-F0-9]{4}-[A-F0-9]{4}-[A-F0-9]{4}-[A-F0-9]{12}&t=[0-9]{1,2}$/Usi"

Special Options:

• http_method

• http_uri

• fast_pattern

• http_uri

• http_header

• http_header

source