""ET TROJAN Win32/MarioLoader CnC Activity (POST) M1""

SID: 2051119

Revision: 1

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, tls_state plaintext, created_at 2024_02_27, deployment Perimeter, confidence High, signature_severity Critical, tag c2, updated_at 2024_02_27, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol

Reference:

• md5

• a0a3ab98d2cf869aec830a98d4be2dfa

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: "/bot/data"

• Value: "X-Client-Uuid|3a 20|"

• Value: "User-Agent|3a 20|Mozilla|2f|4|2e|0|20 28|compatible|3b 20|MSIE|20|7|2e|0|3b 20|Windows|20|NT|20|"

Within:

PCRE: "/X-Client-Uuid\x3a\x20(?:(?:[a-z0-9]{8}\x2d)(?:[a-z0-9]{4}\x2d))(?:[a-z0-9]{4}\x2d)(?:[a-z0-9]{4}\x2d)(?:[a-z0-9]{12})[\r\n]/H"

Special Options:

• http_method

• http_uri

• fast_pattern

• http_header

• http_header

source