Detectionhightest

File Download And Execution Via IEExec.EXE

Detects execution of the IEExec utility to download and execute files

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Launch
Nasreddine Bencherchali (Nextron Systems)Created Mon May 16Updated Thu Nov 099801abb8-e297-4dbf-9fbd-57dde0e830adwindows
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 Logic2 selectors
detection:
    selection_img:
        - Image|endswith: '\IEExec.exe'
        - OriginalFileName: 'IEExec.exe'
    selection_cli:
        CommandLine|contains:
            - 'http://'
            - 'https://'
    condition: all of selection_*
False Positives
Unknown

False positive likelihood has not been assessed. Additional context may be needed during triage.

Rule Metadata
Rule ID
9801abb8-e297-4dbf-9fbd-57dde0e830ad
Status
test
Level
high
Type
Detection
Created
Mon May 16
Modified
Thu Nov 09
Path
rules/windows/process_creation/proc_creation_win_ieexec_download.yml
Raw Tags
attack.command-and-controlattack.t1105
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