""ET TROJAN Win32/CHAOS RAT/AlfaC2 Checkin""

SID: 2037145

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 2022_06_28, deployment Perimeter, performance_impact Low, signature_severity Major, updated_at 2023_11_27, reviewed_at 2024_07_09

Reference:

  • md5

  • dbe9be7d2f99e434ce1504a8992b11a8

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: "/device"

  • Value: "|7b 22|hostname|22 3a 22|" Depth: 13

  • Value: "|22 2c 22|username|22 3a 22|"

  • Value: "|22 2c 22|user|5f|id|22 3a 22|"

  • Value: "|22 2c 22|os|5f|name|22 3a 22|"

  • Value: "|22 2c 22|os|5f|arch|22 3a 22|"

  • Value: "|22 2c 22|mac|5f|address|22 3a 22|"

  • Value: "|22 2c 22|local|5f|ip|5f|address|22 3a 22|"

  • Value: "|22 2c 22|port|22 3a 22|"

  • Value: "|22 2c 22|fetched|5f|unix|22 3a|"

  • Value: !"Referer|3a 20|"

Within:

PCRE:

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

  • http_client_body

  • http_client_body

  • http_header

source