""ET TROJAN Win32/Kryptik.FVVZ Variant CnC Checkin 2""

SID: 2024692

Revision: 1

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2017_09_11, deployment Perimeter, performance_impact Moderate, signature_severity Major, updated_at 2017_09_11

Reference:

  • md5

  • 92c3157d76c67668ca815541c6bb3ba8

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "GET"

  • Value: ".php?hwid="

  • Value: "&taskid="

  • Value: "&status="

  • Value: !"User-Agent|3a|"

  • Value: !"Accept"

  • Value: !"Referer|3a|"

Within:

PCRE:

Special Options:

  • http_method

  • http_uri

  • fast_pattern

  • http_uri

  • http_uri

  • http_header

  • http_header

  • http_header

source