""ET TROJAN nspps Backdoor - Sending SOCKS Details""

SID: 2030109

Revision: 2

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2020_05_05, deployment Perimeter, signature_severity Major, updated_at 2020_05_05

Reference:

  • md5

  • 435716b4f56cf94fdb7f6085dced41e5

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "POST /s HTTP/1.1|0d 0a|" Depth: 18

  • Value: "|57 7a 74 47 8c 44 c8 7c ed|" Depth: 9

Within:

PCRE:

Special Options:

  • http_client_body

  • fast_pattern

source