""ET TROJAN Matanbuchus Loader CnC M2""

SID: 2034467

Revision: 3

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2021_11_16, deployment Perimeter, malware_family Matanbuchus, signature_severity Major, updated_at 2021_12_02, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: [$HTTP_PORTS,44413]

Flow: established,to_server

Contents:

  • Value: "POST " Depth: 5

  • Value: ".php HTTP/1"

  • Value: "Content-Type|3a 20|application/x-www-form-urlencoded|0d 0a|"

  • Value: "User-Agent|3a 20|Windows-AzureAD-Authentication-Provider/"

Within:

PCRE:

Special Options:

source