""ET TROJAN Harvester Group Downloader Activity (GET)""

SID: 2034223

Revision: 2

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2021_10_18, deployment Perimeter, deployment SSLDecrypt, signature_severity Major, updated_at 2021_10_18

Reference:

  • md5

  • 2578bf48da48c262e4a83e2a9ae47c68

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: "/api/Values_V2/Getting3210"

  • Value: ".azurewebsites.net|0d 0a|"

  • Value: !"Referer|3a 20|"

Within:

PCRE: "/\x3a\x20[^\r\n]+\r\nMC\x3a\x20[^\r\n]+\r\nAth\x3a\x20[^\r\n]+\r\nHost\x3a\x20[^\r\n]+[\r\n]+$/H"

Special Options:

  • http_method

  • http_uri

  • fast_pattern

  • http_header

  • http_header

source