""ET TROJAN Win32/Agent.UOI CnC Checkin""

SID: 2037952

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_08_04, deployment Perimeter, performance_impact Low, signature_severity Major, updated_at 2022_08_04, reviewed_at 2024_06_28

Reference:

  • md5

  • 74cf39a4148c88adfee9f0e02e03dc9e

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "architecture=" Depth: 13

  • Value: "&hostname="

  • Value: "&os="

  • Value: "POST|20|/beacon.php|20|" Depth: 17

  • Value: !"Referer|3a 20|"

Within:

PCRE:

Special Options:

  • http_client_body

  • http_client_body

  • http_client_body

  • fast_pattern

  • http_header

source