Sigma rule: Suspicious File Download From IP Via Wget.EXE - Paths

Rule

Title

Suspicious File Download From IP Via Wget.EXE - Paths

Status

test

Level

high

Author

Nasreddine Bencherchali (Nextron Systems)

Date

2024-02-23

File

rules/windows/process_creation/proc_creation_win_wget_download_susp_locations.yml

Commit

ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects potentially suspicious file downloads directly from IP addresses and stored in suspicious locations using Wget.exe

Log source

product

windows

category

process_creation

Detection

selection_img:
    - Image|endswith: '\wget.exe'
    - OriginalFileName: 'wget.exe'
selection_ip:
    CommandLine|re: '://[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}'
selection_http:
    CommandLine|contains: 'http'
selection_flag:
    - CommandLine|re: '\s-O\s'
    - CommandLine|contains: '--output-document'
selection_paths:
    - CommandLine|contains:
          - ':\PerfLogs\'
          - ':\Temp\'
          - ':\Users\Public\'
          - ':\Windows\Help\'
          - ':\Windows\Temp\'
          - '\Temporary Internet'
    - CommandLine|contains|all:
          - ':\Users\'
          - '\Favorites\'
    - CommandLine|contains|all:
          - ':\Users\'
          - '\Favourites\'
    - CommandLine|contains|all:
          - ':\Users\'
          - '\Contacts\'
    - CommandLine|contains|all:
          - ':\Users\'
          - '\Pictures\'
condition: all of selection_*

False positives (as the rule lists them)

• Unknown

Tags

• attack.execution

References

• https://www.gnu.org/software/wget/manual/wget.html

Read on 2026-11-03T00:58:21.399Z under licence sigma-drl-1.1@d5f4c36a from https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/process_creation/proc_creation_win_wget_download_susp_locations.yml