""ET TROJAN Win32/InfoTester Checkin""

SID: 2034543

Revision: 2

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2021_11_24, deployment Perimeter, performance_impact Low, signature_severity Major, updated_at 2021_11_24

Reference:

  • md5

  • 1d081e356b0593df10bcb12de2931ffa

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: "Content-Type|3a 20|application/x-www-form-urlencoded|0d 0a|"

  • Value: "JTU3JTY5JTZFJTY0JTZGJTc3JTczJTNBJTIw" Depth: 36

Within:

PCRE: "/^JTU3JTY5JTZFJTY0JTZGJTc3JTczJTNBJTIw.*(?:JTBEJTBBJTBEJTBBJTREJTY1JTZEJTZGJTcyJTc5JTNBJTIw|UwRCUwQSUwRCUwQSU0RCU2NSU2RCU2RiU3MiU3OSUzQSUyM|lMEQlMEElMEQlMEElNEQlNjUlNkQlNkYlNzIlNzklM0ElMj)/P"

Special Options:

  • http_method

  • http_uri

  • http_header

  • http_client_body

  • fast_pattern

source