""ET TROJAN nspps Backdoor CnC Activity""

SID: 2030108

Revision: 2

Class Type: trojan-activity

Metadata: affected_product Linux, 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: "|0d 0a|Arch|3a 20|"

  • Value: "|0d 0a|Cores|3a 20|"

  • Value: "|0d 0a|Mem|3a 20|"

  • Value: "|0d 0a|Os|3a 20|"

  • Value: "|0d 0a|Osname|3a 20|"

  • Value: "|0d 0a|Osversion|3a 20|"

  • Value: "|0d 0a|Root|3a 20|"

  • Value: "|0d 0a|Uuid|3a 20|"

  • Value: "|0d 0a|Version|3a 20|"

Within:

PCRE:

Special Options:

  • http_header

  • http_header

  • http_header

  • http_header

  • http_header

  • http_header

  • fast_pattern

  • http_header

  • http_header

  • http_header

source