""ET TROJAN [DCSO] Possible Andariel Exfil Activity""

SID: 2046078

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 2023_06_05, deployment Perimeter, malware_family Andarat, signature_severity Major, tag Andariel, tag c2, updated_at 2023_06_05, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol

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: "id=" Depth: 3

  • Value: "page="

  • Value: "query="

  • Value: "rep0="

Within:

PCRE: "/.php$/U"

Special Options:

  • http_method

  • http_uri

  • http_client_body

  • http_client_body

  • http_client_body

  • http_client_body

  • fast_pattern

source