""ET TROJAN Win32/WindowsDefender Bypass Download Request""

SID: 2035696

Revision: 3

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_04_01, deployment Perimeter, signature_severity Major, updated_at 2022_04_29

Reference:

  • md5

  • a59277f422139a3c2341eee166eda629

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: any

Flow: to_server,established

Contents:

  • Value: "GET /kill.bat HTTP/1.1" Depth: 22

  • Value: "Connection: Keep-Alive"

Within:

PCRE: "/Host\x3a\x20(?:[0-9]{1,3}.){3}[0-9]{1,3}/"

Special Options:

  • fast_pattern

  • nocase

source