""ET TROJAN MSIL/BlackGuard Stealer Exfil Activity""

SID: 2035398

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_03_07, deployment Perimeter, performance_impact Low, signature_severity Major, updated_at 2022_03_07

Reference:

  • md5

  • bb5f22fc74149158b637a2bac5064ddb

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?user="

  • Value: "&coockieCount="

  • Value: "&searche="

  • Value: "Content|2d|Disposition|3a 20|form|2d|data|3b 20|name|3d 22|file|22 3b 20|filename|3d 22 28|"

  • Value: "|29 5f 5b|"

  • Value: "|5d 2e|"

  • Value: "|22 0d 0a|Content|2d|Type|3a 20|application|2f|octet|2d|stream|0d 0a 0d 0a|PK|03 04|"

Within: 53

PCRE:

Special Options:

  • http_method

  • http_uri

  • http_uri

  • fast_pattern

  • http_uri

  • http_client_body

  • http_client_body

  • http_client_body

  • http_client_body

source