""ET TROJAN Win32/Spyder Sending Info to CnC""

SID: 2049697

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 2023_12_15, deployment Perimeter, malware_family Spyder, confidence High, signature_severity Major, tag RAT, updated_at 2024_03_13, 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: "data=" Depth: 5

  • Value: "|7b 22|hwid|22 3a 22|"

  • Value: "|22|compname|22|"

  • Value: "|22|osname|22|"

  • Value: "|22|arch|22|"

  • Value: "|22|av|22|"

  • Value: "|22|agent|22|"

Within:

PCRE: "/.php$/U"

Special Options:

  • http_method

  • http_uri

  • fast_pattern

  • http_client_body

  • http_client_body

  • http_client_body

  • http_client_body

  • http_client_body

  • http_client_body

  • http_client_body

source