""ET MALWARE Win32/Presenoker Checkin""

SID: 2044433

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_03_02, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, updated_at 2023_03_02

Reference:

  • md5

  • 6ffa62f96434bc692ac54a8ea2460300

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: "interall"

  • Value: "|7b 20 22|k|22 20 3a 20 22|" Depth: 9

  • Value: "|22 2c 22|params|22 3a 7b 22|"

  • Value: "|22 3a 7b 22|data|22 3a 5b 7b 22|"

  • Value: "|22 7d 2c 22|DEV|22 3a 7b 22|mac|22 3a 22|"

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

Within:

PCRE: "/User-Agent\x3a\x20interall/Hi"

Special Options:

  • http_method

  • http_header

  • http_client_body

  • http_client_body

  • http_client_body

  • http_client_body

  • fast_pattern

  • http_client_body

source