""ET TROJAN DeltaStealer CnC Checkin""

SID: 2045791

Revision: 1

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_05_19, deployment Perimeter, deployment SSLDecrypt, malware_family DeltaStealer, performance_impact Low, confidence High, signature_severity Major, updated_at 2023_05_19

Reference:

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: ".preview.app.github.dev|0d 0a|"

  • Value: "|22|report|22 3a 22|https|3a 2f 2f|gofile.io"

  • Value: "application/json"

  • Value: !"User-Agent|3a 20|"

  • Value: !"Referer|3a 20|"

  • Value: "ownerid|3a 20|"

  • Value: "executable-id|3a 20|"

Within:

PCRE: "/^executable-id\x3a\x20[^\r\n]+[\r\n]+$/Hm"

Special Options:

  • http_method

  • http_header

  • http_client_body

  • fast_pattern

  • http_header

  • http_header

  • http_header

  • http_header

  • http_header

source