""ET MALWARE Bluebox Data Exfiltration""

SID: 2036236

Revision: 2

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2022_04_15, deployment Perimeter, performance_impact Low, signature_severity Minor, updated_at 2022_04_18

Reference:

  • md5

  • b13718f353c8c0ea51a15733e035199e

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: "/?ver="

  • Value: "corp="

  • Value: "os="

  • Value: "softid="

  • Value: "hid="

  • Value: "macadd="

  • Value: "md5="

  • Value: "rand="

  • Value: "subid="

  • Value: "IEhook"

  • Value: !"Referer|3a 20|"

Within:

PCRE: "/^User-Agent\x3a\x20[^\r\n]+IEhook/Hmi"

Special Options:

  • http_method

  • http_uri

  • fast_pattern

  • http_uri

  • http_uri

  • http_uri

  • http_uri

  • http_uri

  • http_uri

  • http_uri

  • http_uri

  • http_header

  • http_header

source