""ET TROJAN MalDoc Retrieving Possible Ostap Payload""

SID: 2029553

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 2020_03_02, deployment Perimeter, signature_severity Major, updated_at 2020_03_02

Reference:

  • md5

  • 5824579789e3e7d5c3ad49b8652c80aa

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "GET"

  • Value: ".php?min="

  • Value: "&sin="

  • Value: "&p="

  • Value: "&i="

  • Value: "k="

  • Value: "&r="

  • Value: !"Referer|3a|"

Within:

PCRE:

Special Options:

  • http_method

  • http_uri

  • http_uri

  • fast_pattern

  • http_uri

  • http_uri

  • http_uri

  • http_uri

  • http_header

source