""ET TROJAN Win32/SVCReady Loader CnC Activity M2""

SID: 2036863

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 2022_05_12, deployment Perimeter, malware_family SVCReady, signature_severity Major, tag c2, updated_at 2022_05_12, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol

Reference:

  • md5

  • e6b33ddaa9583216013b112b00317d0a

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: "g|3a 20|"

  • Value: "pr|3a 20|"

  • Value: "sg|3a 20|"

Within:

PCRE: "/^sg\x3a\x20[A-F0-9]{8}-[A-F0-9]{4}-[A-F0-9]{4}-[A-F0-9]{4}-[A-F0-9]{12}[\r\n]+$/Hm"

Special Options:

  • http_method

  • http_header

  • http_header

  • http_header

  • fast_pattern

source