""ET TROJAN Trojan-Dropper.Win32.Sysn.cdjy CnC Activity""

SID: 2031544

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_01_25, deployment Perimeter, performance_impact Low, signature_severity Major, updated_at 2021_01_25

Reference:

  • md5

  • 9842e0a710a5b820f6ceb687fa079721

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: ".php?logik="

  • Value: ".txt&info=Time|3a|"

  • Value: "User-Agent|3a 20|Mozilla/3.0 (compatible|3b 20|Indy Library)|0d 0a|"

Within:

PCRE:

Special Options:

  • http_uri

  • fast_pattern

  • http_uri

  • http_header

source