""ET TROJAN MSIL/Spy.Agent.AES Zipped Exfil""

SID: 2037730

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

  • 654dc14b15a14182f7bd0b73aae7fc79

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "file=UEs" Depth: 8

  • Value: "SW5mby50eHS"

  • Value: "POST|20|/|20|"

Within:

PCRE:

Special Options:

  • fast_pattern

  • http_client_body

  • http_client_body

source