""ET TROJAN Konni Stage 2 Payload Exfiltrating Data""

SID: 2030219

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, signature_severity Major, tag Konni, updated_at 2020_05_26

Reference:

  • md5

  • d41b09aa32633d77a8856dae33b3d7b9

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "POST"

  • Value: ".php?client_id="

  • Value: "name=|22|fileToUpload|22 3b|"

  • Value: "Upload|20|Image|0d 0a|----"

  • Value: "|00 00 00 00 00 00|"

Within:

PCRE:

Special Options:

  • http_method

  • http_uri

  • fast_pattern

  • http_client_body

  • http_client_body

  • http_client_body

source