""ET TROJAN MSIL/CoderVir Stealer Zip Upload""

SID: 2031620

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_02_13, deployment Perimeter, performance_impact Low, signature_severity Major, updated_at 2021_02_15

Reference:

  • md5

  • 35ff637ac2748789925a34f893376545

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: "name|3d 22|file|22 3b 20|filename|3d 22|LOG|5f|"

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

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

Within: 53

PCRE: "/^[A-F0-9]{24}/R"

Special Options:

  • http_method

  • http_client_body

  • http_client_body

  • http_header

source