Suspicious Curl.EXE Download
Detects a suspicious curl process start on Windows and outputs the requested document to a local file
Detection logic
Detection requirements
- Platform
- ESXiLinuxmacOSNetwork DevicesWindows
The rule states no platform. This is derived from the ATT&CK technique it maps to.
- Log source product
- windows
- Log source category
- process_creation
Known benign triggers
- Unknown
MITRE ATT&CK mappings
0 exclusive techniques.This is coverage no other published rule has; it is not this rule's total technique count.
References
| Reference | Cited by |
|---|---|
| github.com/pr0xylife/Qakbot/blob/4f0795d79dabee5bc9dd69f17a626b48852e7869/Qakbot_AA_23.06.2022.txt | Only this detection cites it |
| github.com/redcanaryco/atomic-red-team/blob/0f229c0e42bfe7ca736a14023836d65baa941ed2/atomics/T1105/T1105.md#atomic-test-18---curl-download-file | Only this detection cites it |
| twitter.com/max_mal_/status/1542461200797163522 | Only this detection cites it |
| web.archive.org/web/20200128160046/https://twitter.com/reegun21/status/1222093798009790464 | Only this detection cites it |
| www.volexity.com/blog/2022/07/28/sharptongue-deploys-clever-mail-stealing-browser-extension-sharpext/ | Only this detection cites it |
From the source
- At source
- Open at source
- Upstream identifier
- e218595b-bbe7-4ee5-8a96-f32a24ad3468
- Tagged by the source as
- attack.command-and-control
Licence
- Published under
- Detection Rule License 1.1Read the licence
- Attribution
- Required
Authorship
- Published
- Aug 26, 2026
- Version
- 1