""ET TROJAN Buer Loader Successful Payload Download""

SID: 2029079

Revision: 4

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2019_11_12, deployment Perimeter, malware_family BuerLoader, performance_impact Significant, signature_severity Major, updated_at 2024_04_18

Reference:

  • md5

  • a8819db1fa758fd9f1d501dbb50f454f

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: established,to_client

Contents:

  • Value: "200"

  • Value: "Content-Type|3a 20|application/*|0d 0a|"

Within:

PCRE: "/^Content-Length\x3a\x20(?:[5-9]\d{5}|[12]\d{6})\r\n/Hmi"

Special Options:

  • http_stat_code

  • http_header

  • fast_pattern

source