""ET TROJAN Baldr Stealer Checkin M2""

SID: 2027273

Revision: 3

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2019_04_24, deployment Perimeter, former_category MALWARE, malware_family BALDR, performance_impact Low, signature_severity Major, updated_at 2022_05_03

Reference:

  • md5

  • 216a00647603b66967cda5d91638f18a

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"

  • Value: "Content-Disposition|3a 20|form-data|3b 20|name=|22|file|22 3b 20|filename=|22|Encrypted.zip|22 0d 0a|Content-Type|3a 20|application/octet-stream|0d 0a 0d 0a|"

  • Value: !"PK"

  • Value: !"Referer|3a|"

  • Value: !"User-Agent|3a|"

  • Value: !"Accept|3a|"

Within: 25

PCRE:

Special Options:

  • http_method

  • http_uri

  • http_client_body

  • http_header

  • http_header

  • http_header

source