""ET TROJAN Possible Konni Encrypted Stage 2 Payload Inbound via HTTP""

SID: 2030220

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 2020_05_26, deployment Perimeter, performance_impact Low, signature_severity Major, tag Konni, updated_at 2020_05_26

Reference:

  • md5

  • d41b09aa32633d77a8856dae33b3d7b9

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: established,from_server

Contents:

  • Value: "200"

  • Value: "MhyTiDJJJJ" Depth: 10

  • Value: "JJJJJJJLeJJJJJJJJJJeI4"

Within: 150

PCRE:

Special Options:

  • http_stat_code

  • file_data

  • fast_pattern

source