""ET TROJAN DTLoader Binary Request""

SID: 2031127

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_10_27, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, signature_severity Major, updated_at 2020_10_27

Reference:

  • md5

  • 259de13f2337562a9075cd8acb1ef615

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "GET /getrandombase64.php?get=" Depth: 29

  • Value: "|20|HTTP/1.1|0d 0a|Host|3a 20|"

  • Value: "Host|3a 20|" Depth: 6

  • Value: !"Referer|3a 20|"

  • Value: !"User-Agent|3a 20|"

Within: 17

PCRE: "/^Host\x3a\x20[^\r\n]+\r\nConnection\x3a\x20[^\r\n]+\r\n\r\n$/H"

Special Options:

  • fast_pattern

  • http_header

  • http_header

  • http_header

source