""ET TROJAN Suspected Andariel RexPot CnC Checkin M1""

SID: 2046881

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_07_21, deployment Perimeter, malware_family RexPot, performance_impact Low, confidence High, signature_severity Major, tag Andariel, updated_at 2023_07_21

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: "User-Agent|3a 20|Mozilla/88.0"

  • Value: "mpVI=" Depth: 5

  • Value: "Content-Type|3a 20|application/x-www-form-urlencoded"

  • Value: !"Referer|3a 20|"

Within:

PCRE: "/.php$/U"

Special Options:

  • http_method

  • http_uri

  • http_header

  • http_client_body

  • fast_pattern

  • http_header

  • http_header

source