""ET TROJAN Impersoni-fake-ator backdoor CnC Checkin""

SID: 2042189

Revision: 2

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_and_Server, created_at 2022_12_07, deployment Perimeter, performance_impact Low, signature_severity Major, updated_at 2022_12_13

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: any

Flow: established,to_server

Contents:

  • Value: "|d1 57 f4 37|" Depth: 4

  • Value: "|02 00 00 00|"

Within:

PCRE:

Special Options:

  • fast_pattern

source