SID: 2054642

Revision: 2

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2024_07_22, deployment Perimeter, deployment SSLDecrypt, confidence High, signature_severity Major, updated_at 2024_07_23

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "/crowdstrike/update.zip"

  • Value: !"Host|3a 20|crowdstrike.org|0d 0a|"

  • Value: !"Host|3a 20|crowdstrike.com|0d 0a|"

  • Value: !"Host|3a 20|cloudsink.net|0d 0a|"

  • Value: !"Host|3a 20|crowdstrike.com.au|0d 0a|"

  • Value: !"Host|3a 20|crowdstrike.co.uk|0d 0a|"

Within:

PCRE:

Special Options:

  • http_uri

  • fast_pattern

  • http_header

  • http_header

  • http_header

  • http_header

  • http_header

source