""ET TROJAN Win32/OfferCore Checkin M2""

SID: 2053283

Revision: 1

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Windows_11, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2024_06_06, deployment Perimeter, deployment SSLDecrypt, malware_family Offercore, performance_impact Low, confidence High, updated_at 2024_06_06

Reference:

  • md5

  • 60ba45cff3dbaaed74d7d63886c8957f

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: "/zbd"

  • Value: "Authorization|3a 20|Signature="

  • Value: "Mozilla/4.0|20 28|compatible|3b 20|Win32|3b 20|WinHttp.WinHttpRequest"

  • Value: "|7b 22|table|22 3a 22|zb_analytics|22 2c 22|data|22 3a 22 7b|"

  • Value: !"|0d 0a|Referer|0d 0a|"

Within:

PCRE:

Special Options:

  • http_method

  • http_uri

  • http_header

  • http_header

  • http_client_body

  • http_header

source