Detectionmediumtest
Potential Commandline Obfuscation Using Escape Characters
Detects potential commandline obfuscation using known escape characters
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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 Logic1 selector
detection:
selection:
CommandLine|contains:
# - <TAB> # no TAB modifier in sigmac yet, so this matches <TAB> (or TAB in elasticsearch backends without DSL queries)
- 'h^t^t^p'
- 'h"t"t"p'
condition: selectionFalse Positives
Unknown
False positive likelihood has not been assessed. Additional context may be needed during triage.
MITRE ATT&CK
Rule Metadata
Rule ID
f0cdd048-82dc-4f7a-8a7a-b87a52b6d0fd
Status
test
Level
medium
Type
Detection
Created
Tue Dec 11
Modified
Fri Mar 03
Author
Path
rules/windows/process_creation/proc_creation_win_susp_cli_obfuscation_escape_char.yml
Raw Tags
attack.defense-evasionattack.t1140