""ET TROJAN Nazar Implant - Sending Basic System Info to CnC""

SID: 2030105

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 2020_05_05, deployment Perimeter, performance_impact Low, signature_severity Major, tag NazarAPT, updated_at 2020_05_05

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: 4000

Flow: established,to_server

Contents:

  • Value: "100|3b|" Depth: 4

  • Value: "|3b|"

  • Value: "|3b 00 00 00 00|"

Within:

PCRE:

Special Options:

  • fast_pattern

source