""ET TROJAN MSIL/Document Stealer Exfil""

SID: 2033818

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_08_27, deployment Perimeter, performance_impact Low, signature_severity Major, updated_at 2021_08_27

Reference:

  • md5

  • 8df25eee669d222ab9e002ac7d81228f

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: "__IIIIMMMMM|0d 0a|"

  • Value: "Content-Type|3a 20|multipart/form-data|3b|"

  • Value: "nnnnnnnnmmmmmmmmmmmeeeee|3a 20|"

Within:

PCRE:

Special Options:

  • http_method

  • fast_pattern

  • http_header

  • http_header

  • http_header

source