""ET TROJAN Trojan-Dropper.Delf Checkin""

SID: 2025283

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 2018_02_01, deployment Perimeter, malware_family Dropper, performance_impact Low, signature_severity Major, updated_at 2018_02_01

Reference:

  • md5

  • 52765b346c12d55e255a669bb8cfebb8

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "/autoupdate/versaoatual.txt"

  • Value: "Mozilla/3.0 (compatible|3b| Indy Library)"

Within:

PCRE:

Special Options:

  • fast_pattern

  • http_header

source