""ET TROJAN Win32/Small.NO Checkin""

SID: 2034301

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 2021_10_29, deployment Perimeter, signature_severity Major, updated_at 2023_04_04

Reference:

  • md5

  • e09e70ae301e0816355ad0bfa0ab8707

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: any

Flow: established,to_server

Contents:

  • Value: "MB|00 00|" Depth: 9 Offset: 32

  • Value: "|32 2e 32 d5 fd ca bd b0 e6 00 00 00|"

Within:

PCRE:

Special Options:

  • fast_pattern

source