""ET TROJAN Suspected Smokeloader Payload Related Activity (POST)""

SID: 2052949

Revision: 1

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, tls_state plaintext, created_at 2024_05_29, deployment Perimeter, malware_family SmokeLoader, signature_severity Critical, tag c2, updated_at 2024_05_29, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol

Reference:

  • md5

  • bcb2c402c896b5477e1f94a1c7278682

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: "/connS.php?"

  • Value: "TRT=" Depth: 4

  • Value: "&IMACH="

  • Value: !"|0d 0a|Referer|3a 20|"

Within:

PCRE: "/\/connS.php\?$/U"

Special Options:

  • http_method

  • http_uri

  • fast_pattern

  • http_client_body

  • http_client_body

  • http_header

source