""ET TROJAN Monsoon Tinytyphon CnC Beacon Exfiltrating Docs""

SID: 2023050

Revision: 1

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2016_08_11, deployment Perimeter, signature_severity Major, tag c2, updated_at 2016_08_11, 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

Flow: established,to_server

Contents:

  • Value: "POST"

  • Value: ".php"

  • Value: "name=|22|MD5|22|"

  • Value: "name=|22|fname|22|"

  • Value: "name=|22|compname|22|"

  • Value: "name=|22|uploadedfile|22 3b|"

Within:

PCRE:

Special Options:

  • http_method

  • http_uri

  • http_client_body

  • http_client_body

  • http_client_body

  • http_client_body

source