""ET TROJAN Terse Upload to Free Image Hosting Provider (uploads .im) - Likely Malware""

SID: 2031118

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_26, deployment Perimeter, performance_impact Low, signature_severity Minor, updated_at 2020_10_26

Reference:

  • md5

  • 897a5b60d609501e0feb06ff8e54d424

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "POST /api?upload" Depth: 16

  • Value: "Host|3a 20|uploads.im|0d 0a|"

  • Value: !"Referer|3a 20|"

  • Value: !"User-Agent|3a 20|"

Within:

PCRE:

Special Options:

  • http_header

  • fast_pattern

  • http_header

  • http_header

source