""ET TROJAN [PTsecurity] Botnet Nitol.B Checkin""

SID: 2025135

Revision: 3

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2017_12_06, deployment Perimeter, malware_family nitol, performance_impact Moderate, signature_severity Minor, updated_at 2018_01_31

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: any

Flow: established,to_server,no_stream

Contents:

  • Value: "|00 00 77 00 00 00|" Depth: 30

  • Value: "MHz"

  • Value: "|00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00|" Depth: 120

Within: 350

PCRE:

Special Options:

  • fast_pattern

source