""ET TROJAN Patchwork Backdoor Checkin""

SID: 2029395

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 2020_02_06, deployment Perimeter, deployment SSLDecrypt, malware_family Backdoor, performance_impact Low, signature_severity Major, tag Patchwork, updated_at 2020_02_06

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 /cnc/register HTTP" Depth: 23

  • Value: "|7b 22|host_identifier|22 3a 22|" Depth: 20

  • Value: "|22 7d|"

Within: 2

PCRE:

Special Options:

  • fast_pattern

  • http_client_body

  • http_client_body

source