""ET TROJAN MSIL/Agent.CTK Checkin""

SID: 2037750

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 2022_07_12, deployment Perimeter, performance_impact Low, signature_severity Major, updated_at 2023_04_04, reviewed_at 2024_01_02

Reference:

  • md5

  • 8b964c81520445c89f337bab7afe5329

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: any

Flow: established,to_server

Contents:

  • Value: "861gLc" Depth: 6

  • Value: "AnK"

  • Value: "AnK"

  • Value: "AnK1.2901AnK0901AnK"

Within:

PCRE:

Special Options:

  • fast_pattern

source