-
Notifications
You must be signed in to change notification settings - Fork 497
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Sync RTA File Downloaded via Curl or Wget to Hidden Directory (#4197)
Co-authored-by: shashank-elastic <[email protected]> (cherry picked from commit a54f839)
- Loading branch information
1 parent
bbccbcd
commit 9ac381f
Showing
1 changed file
with
40 additions
and
0 deletions.
There are no files selected for viewing
40 changes: 40 additions & 0 deletions
40
rta/linux_command_and_control_curl_wget_hidden_directory_output.py
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,40 @@ | ||
# Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one | ||
# or more contributor license agreements. Licensed under the Elastic License | ||
# 2.0; you may not use this file except in compliance with the Elastic License | ||
# 2.0. | ||
|
||
import sys | ||
from . import RtaMetadata, common | ||
|
||
metadata = RtaMetadata( | ||
uuid="b3c8c616-15a5-45fd-970a-c44c18e59578", | ||
platforms=["linux"], | ||
endpoint=[ | ||
{ | ||
"rule_name": "File Downloaded via Curl or Wget to Hidden Directory", | ||
"rule_id": "dc1cee03-4923-4c6b-b00b-8a5c323bb753", | ||
}, | ||
], | ||
techniques=["T1564"], | ||
) | ||
|
||
|
||
@common.requires_os(*metadata.platforms) | ||
def main() -> None: | ||
common.log("Creating a fake executable..") | ||
masquerade = "/tmp/curl" | ||
|
||
source = common.get_path("bin", "linux.ditto_and_spawn") | ||
common.copy_file(source, masquerade) | ||
common.log("Granting execute permissions...") | ||
common.execute(["chmod", "+x", masquerade]) | ||
|
||
commands = [masquerade, "--output", "/dev/shm/evil"] | ||
common.execute([*commands], timeout=5, kill=True) | ||
common.log("Cleaning...") | ||
common.remove_file(masquerade) | ||
common.log("Simulation successfull!") | ||
|
||
|
||
if __name__ == "__main__": | ||
sys.exit(main()) |