Detectionhightest

Suspicious File Download From IP Via Wget.EXE - Paths

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

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Nasreddine Bencherchali (Nextron Systems)Created Fri Feb 2340aa399c-7b02-4715-8e5f-73572b493f33windows

Log Source

WindowsProcess Creation

ProductWindows← raw: windows

CategoryProcess Creation← raw: process_creation

Events generated when a new process is spawned on the system. Covers command-line arguments, parent/child relationships, and process metadata.

Detection Logic

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_*