windows enabled community critical v1.0.0

reg

Used to manipulate the registry Located at: C:\Windows\System32\reg.exe; C:\Windows\SysWOW64\reg.exe.

📋 Live Preview

reg

reg

Sandbox: execFile · Timeout: 30s

Capabilities

system.file.alternate-data-stream

credential.dump

Contract

Outputs

process.output

Command execution output

Side effects: filesystem_writeprocess_spawn

Workflow Edges

Produces

process.output

Resource Profile

Resource	Value
CPU	low
Memory	16 MB
Network	low
Disk I/O	low

Examples

Export the target Registry key and save it to the specified .REG file within an Alternate data stream. (Hide/plant registry information in Alternate data stream for later use)

reg export HKLM\SOFTWARE\Microsoft\Evilreg {PATH_ABSOLUTE}:evilreg.reg

Dump registry hives (SAM, SYSTEM, SECURITY) to retrieve password hashes and key material (Dump credentials from the Security Account Manager (SAM))

reg save HKLM\SECURITY {PATH_ABSOLUTE:.1.bak} && reg save HKLM\SYSTEM {PATH_ABSOLUTE:.2.bak} && reg save HKLM\SAM {PATH_ABSOLUTE:.3.bak}

Detection

Type	Rule / Indicator
sigma	https://github.com/SigmaHQ/sigma/blob/62d4fd26b05f4d81973e7c8e80d7c1a0c6a29d0e/rules/windows/process_creation/proc_creation_win_regedit_import_keys_ads.yml
sigma	https://github.com/SigmaHQ/sigma/blob/c04bef2fbbe8beff6c7620d5d7ea6872dbe7acba/rules/windows/process_creation/proc_creation_win_regedit_import_keys.yml
sigma	https://github.com/SigmaHQ/sigma/blob/c04bef2fbbe8beff6c7620d5d7ea6872dbe7acba/rules/windows/process_creation/proc_creation_win_reg_dumping_sensitive_hives.yml
splunk	https://github.com/splunk/security_content/blob/bee2a4cefa533f286c546cbe6798a0b5dec3e5ef/detections/endpoint/attempted_credential_dump_from_registry_via_reg_exe.yml
elastic	https://github.com/elastic/detection-rules/blob/f6421d8c534f295518a2c945f530e8afc4c8ad1b/rules/windows/credential_access_dump_registry_hives.toml
ioc	reg.exe writing to an ADS

Documentation

reg

reg is a Windows LOLBin. Used to manipulate the registry Located at: C:\Windows\System32\reg.exe; C:\Windows\SysWOW64\reg.exe.

References

cdd2d0d0ec9abb686f0e89306e277b8f