""ET CURRENT_EVENTS Successful Generic Credential Phish 2022-03-02""

SID: 2035377

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 2022_02_28, deployment Perimeter, deployment SSLDecrypt, confidence Medium, signature_severity Major, updated_at 2022_03_02

Reference:

  • md5

  • 121de0ed6f4ec91eb75bae5ef1d9765b

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: "/index.aspx?code="

  • Value: "__VIEWSTATE="

  • Value: "&__VIEWSTATEGENERATOR="

  • Value: "Content-Length|3a 20|"

Within:

PCRE: "/^Content-Length\x3a\x20[2-9]\d{3,}\x0d\x0a/Hm"

Special Options:

  • http_method

  • fast_pattern

  • http_uri

  • http_client_body

  • http_client_body

  • http_header

source