detection.wiki

Detection rules › Sigma

Remote AppX Package Downloaded from File Sharing or CDN Domain

Severity
high
Author
Nasreddine Bencherchali (Nextron Systems)
Source
upstream

Detects an appx package that was added to the pipeline of the "to be processed" packages which was downloaded from a file sharing or CDN domain.

Event coverage

ProviderEvent IDTitle
AppXDeployment-Server854Successfully added the following uri(s) to be processed: Path.

Stages and Predicates

Stage 1: selection

or:
Path|contains: .githubusercontent.com
Path|contains: anonfiles.com
Path|contains: cdn.discordapp.com
Path|contains: ddns.net
Path|contains: dl.dropboxusercontent.com
Path|contains: ghostbin.co
Path|contains: github.com
Path|contains: glitch.me
Path|contains: gofile.io
Path|contains: hastebin.com
Path|contains: mediafire.com
Path|contains: mega.nz
Path|contains: onrender.com
Path|contains: pages.dev
Path|contains: paste.ee
Path|contains: pastebin.com
Path|contains: pastebin.pl
Path|contains: pastetext.net
Path|contains: privatlab.com
Path|contains: privatlab.net
Path|contains: send.exploit.in
Path|contains: sendspace.com
Path|contains: storage.googleapis.com
Path|contains: storjshare.io
Path|contains: supabase.co
Path|contains: temp.sh
Path|contains: transfer.sh
Path|contains: trycloudflare.com
Path|contains: ufile.io
Path|contains: w3spaces.com
Path|contains: workers.dev

Indicators

Each row is a field, operator, and value that the rule matches. The corpus column counts how many other rules in the catalog look for the same combination: high numbers point to widely-used, community-vetted indicators. Blank or 1 shows that the indicator is specific to this rule.

FieldKindValues
Pathmatch
  • .githubusercontent.com
  • anonfiles.com
  • cdn.discordapp.com
  • ddns.net
  • dl.dropboxusercontent.com
  • ghostbin.co
  • github.com
  • glitch.me
  • gofile.io
  • hastebin.com
  • mediafire.com
  • mega.nz
  • onrender.com
  • pages.dev
  • paste.ee
  • pastebin.com
  • pastebin.pl
  • pastetext.net
  • privatlab.com
  • privatlab.net
  • send.exploit.in
  • sendspace.com
  • storage.googleapis.com
  • storjshare.io
  • supabase.co
  • temp.sh
  • transfer.sh
  • trycloudflare.com
  • ufile.io
  • w3spaces.com
  • workers.dev

Neighbors

Broader alternatives (more inclusive than this rule)

These rules match a superset of what this rule catches. They cover the same events plus more. Use them if you want wider coverage and can absorb more false positives.