""ET TROJAN Monsoon Tinytyphon CnC Beacon GET""

SID: 2023049

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, malware_family MONSOON, malware_family Tinytyphon, 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: "GET"

  • Value: "/dw.php"

  • Value: !"Referer|3a|"

  • Value: "Accept|3a 20|/|0d 0a|" Depth: 13

Within:

PCRE: "/\/dw.php$/U"

Special Options:

  • http_method

  • http_uri

  • http_header

  • http_header

source