""ET TROJAN MSIL/Spy.Agent.DYS Exfil""

SID: 2037731

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_07_08, deployment Perimeter, performance_impact Low, signature_severity Major, updated_at 2022_07_08

Reference:

  • md5

  • a101aebd7e97dba97311cde683a64a32

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: "/c?uid=" Depth: 7

  • Value: "filename|3d 22|Screenshot.bmp|22|"

  • Value: "multipart/form-data|3b 20|boundary|3d|"

Within:

PCRE: "/^Content-Type\x3a\x20[^\r\n]+multipart\/form-data\x3b\x20boundary\x3d/Hmi"

Special Options:

  • http_method

  • http_uri

  • fast_pattern

  • http_client_body

  • http_header

source