""ET TROJAN Win32/RecordBreaker CnC Checkin - Server Response M2""

SID: 2038917

Revision: 2

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_09_21, deployment Perimeter, malware_family RecordBreaker, signature_severity Major, updated_at 2023_04_04, reviewed_at 2024_01_26

Reference:

  • md5

  • 0d61d2818b063c71648b5d7a4451e0c0

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: established,to_client

Contents:

  • Value: "200"

  • Value: "DESKTOP|3b 25|DESKTOP|25 5c 3b 2a 2e|txt|3a 2a 2e|doc|3a 2a 2e|docx|3a 2a 2e|rtf|3a 2a 2e|xls|3a 2a 2e|xlsx|3b|" Depth: 57 Offset: 55

Within:

PCRE:

Special Options:

  • http_stat_code

  • file_data

  • fast_pattern

source