""ET TROJAN Win32/RecordBreaker - Observed UA M5 (23591)""

SID: 2043003

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 2022_12_23, deployment Perimeter, deployment SSLDecrypt, signature_severity Major, updated_at 2022_12_23

Reference:

  • md5

  • d7535e529576d7d8819f5b0260f67bfe

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: to_server,established

Contents:

  • Value: "User-Agent|3a 20|23591|0d 0a|"

Within:

PCRE:

Special Options:

  • fast_pattern

  • http_header

source