CertVerify is a scanner that files with compromised or untrusted code signing certificates written in python.
The CertVerify is a tool designed to detect executable files (exe, dll, sys) that have been signed with untrusted or leaked code signing certificates. The purpose of this tool is to identify potentially malicious files that have been signed using certificates that have been compromised, stolen, or are not from a trusted source.
Executable files signed with compromised or untrusted code signing certificates can be used to distribute malware and other malicious software. Attackers can use these files to bypass security controls and to make their malware appear legitimate to victims. This tool helps to identify these files so that they can be removed or investigated further.
As a continuous project of the previous malware scanner, i have created such a tool. This type of tool is also essential in the event of a security incident response.
datetime="2023-03-06 20:17:57",scan_id="87ea3e7b-dedc-4016-a43e-5c83f8d27c6e",os_version="Windows",hostname="DESKTOP-S5VJGLH",ip_address="192.168.0.23",infected_file="F:\code\pythonProject\certverify\test\chrome.exe",signature_hash="sha256",serial_number="0e4418e2dede36dd2974c3443afb5ce5",thumbprint="7d3d117664f121e592ef897973ef9c159150e3d736326e9cd2755f71e0febc0c",subject_name="Google LLC",issuer_name="DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1",file_created_at="2023-03-03 23:20:41",file_modified_at="2022-04-14 06:17:04" datetime="2023-03-06 20:17:58",scan_id="87ea3e7b-dedc-4016-a43e-5c83f8d27c6e",os_version="Windows",hostname="DESKTOP-S5VJGLH",ip_address="192.168.0.23",infected_file="F:\code\pythonProject\certverify\test\LineLauncher.exe",signature_hash="sha256",serial_number="0d424ae0be3a88ff604021ce1400f0dd",thumbprint="b3109006bc0ad98307915729e04403415c83e3292b614f26964c8d3571ecf5a9",subject_name="DigiCert Timestamp 2021",issuer_name="DigiCert SHA2 Assured ID Timestamping CA",file_created_at="2023-03-03 23:20:42",file_modified_at="2022-03-10 18:00:10" datetime="2023-03-06 20:17:58",scan_id="87ea3e7b-dedc-4016-a43e-5c83f8d27c6e",os_version="Windows",hostname="DESKTOP-S5VJGLH",ip_address="192.168.0.23",infected_file="F:\code\pythonProject\certverify\test\LineUpdater.exe",signature_hash="sha256",serial_number="0d424ae0be3a88ff604021ce1400f0dd",thumbprint="b3109006bc0ad98307915729e04403415c83e3292b614f26964c8d3571ecf5a9",subject_name="DigiCert Timestamp 2021",issuer_name="DigiCert SHA2 Assured ID Timestamping CA",file_created_at="2023-03-03 23:20:42",file_modified_at="2022-04-06 10:06:28" datetime="2023-03-06 20:17:59",scan_id="87ea3e7b-dedc-4016-a43e-5c83f8d27c6e",os_version="Windows",hostname="DESKTOP-S5VJGLH",ip_address="192.168.0.23",infected_file="F:\code\pythonProject\certverify\test\TWOD_Launcher.exe",signature_hash="sha256",serial_number="073637b724547cd847acfd28662a5e5b",thumbprint="281734d4592d1291d27190709cb510b07e22c405d5e0d6119b70e73589f98acf",subject_name="DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA",issuer_name="DigiCert Trusted Root G4",file_created_at="2023-03-03 23:20:42",file_modified_at="2022-04-07 09:14:08" datetime="2023-03-06 20:18:00",scan_id="87ea3e7b-dedc-4016-a43e-5c83f8d27c6e",os_version="Windows",hostname="DESKTOP-S5VJGLH",ip_address="192.168.0.23",infected_file="F:\code\pythonProject\certverify\test\VBoxSup.sys",signature_hash="sha256",serial_number="2f451139512f34c8c528b90bca471f767b83c836",thumbprint="3aa166713331d894f240f0931955f123873659053c172c4b22facd5335a81346",subject_name="VirtualBox for Legacy Windows Only Timestamp Kludge 2014",issuer_name="VirtualBox for Legacy Windows Only Timestamp CA",file_created_at="2023-03-03 23:20:43",file_modified_at="2022-10-11 08:11:56" datetime="2023-03-06 20:31:59",scan_id="f71277c5-ed4a-4243-8070-7e0e56b0e656",os_version="Windows",hostname="DESKTOP-S5VJGLH",ip_address="192.168.0.23",infected_file="F:\code\pythonProject\certverify\test\chrome.exe",signature_hash="sha256",serial_number="0e4418e2dede36dd2974c3443afb5ce5",thumbprint="7d3d117664f121e592ef897973ef9c159150e3d736326e9cd2755f71e0febc0c",subject_name="Google LLC",issuer_name="DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1",file_created_at="2023-03-03 23:20:41",file_modified_at="2022-04-14 06:17:04" datetime="2023-03-06 20:32:00",scan_id="f71277c5-ed4a-4243-8070-7e0e56b0e656",os_version="Windows",hostname="DESKTOP-S5VJGLH",ip_address="192.168.0.23",infected_file="F:\code\pythonProject\certverify\test\LineLauncher.exe",signature_hash="sha256",serial_number="0d424ae0be3a88ff604021ce1400f0dd",thumbprint="b3109006bc0ad98307915729e04403415c83e3292b614f26964c8d3571ecf5a9",subject_name="DigiCert Timestamp 2021",issuer_name="DigiCert SHA2 Assured ID Timestamping CA",file_created_at="2023-03-03 23:20:42",file_modified_at="2022-03-10 18:00:10" datetime="2023-03-06 20:32:00",scan_id="f71277c5-ed4a-4243-8070-7e0e56b0e656",os_version="Windows",hostname="DESKTOP-S5VJGLH",ip_address="192.168.0.23",infected_file="F:\code\pythonProject\certverify\test\LineUpdater.exe",signature_hash="sha256",serial_number="0d424ae0be3a88ff604021ce1400f0dd",thumbprint="b3109006bc0ad98307915729e04403415c83e3292b614f26964c8d3571ecf5a9",subject_name="DigiCert Timestamp 2021",issuer_name="DigiCert SHA2 Assured ID Timestamping CA",file_created_at="2023-03-03 23:20:42",file_modified_at="2022-04-06 10:06:28" datetime="2023-03-06 20:32:01",scan_id="f71277c5-ed4a-4243-8070-7e0e56b0e656",os_version="Windows",hostname="DESKTOP-S5VJGLH",ip_address="192.168.0.23",infected_file="F:\code\pythonProject\certverify\test\TWOD_Launcher.exe",signature_hash="sha256",serial_number="073637b724547cd847acfd28662a5e5b",thumbprint="281734d4592d1291d27190709cb510b07e22c405d5e0d6119b70e73589f98acf",subject_name="DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA",issuer_name="DigiCert Trusted Root G4",file_created_at="2023-03-03 23:20:42",file_modified_at="2022-04-07 09:14:08" datetime="2023-03-06 20:32:02",scan_id="f71277c5-ed4a-4243-8070-7e0e56b0e656",os_version="Windows",hostname="DESKTOP-S5VJGLH",ip_address="192.168.0.23",infected_file="F:\code\pythonProject\certverify\test\VBoxSup.sys",signature_hash="sha256",serial_number="2f451139512f34c8c528b90bca471f767b83c836",thumbprint="3aa166713331d894f240f0931955f123873659053c172c4b22facd5335a81346",subject_name="VirtualBox for Legacy Windows Only Timestamp Kludge 2014",issuer_name="VirtualBox for Legacy Windows Only Timestamp CA",file_created_at="2023-03-03 23:20:43",file_modified_at="2022-10-11 08:11:56" datetime="2023-03-06 20:33:45",scan_id="033976ae-46cb-4c2e-a357-734353f7e09a",os_version="Windows",hostname="DESKTOP-S5VJGLH",ip_address="192.168.0.23",infected_file="F:\code\pythonProject\certverify\test\chrome.exe",signature_hash="sha256",serial_number="0e4418e2dede36dd2974c3443afb5ce5",thumbprint="7d3d117664f121e592ef897973ef9c159150e3d736326e9cd2755f71e0febc0c",subject_name="Google LLC",issuer_name="DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1",file_created_at="2023-03-03 23:20:41",file_modified_at="2022-04-14 06:17:04" datetime="2023-03-06 20:33:45",scan_id="033976ae-46cb-4c2e-a357-734353f7e09a",os_version="Windows",hostname="DESKTOP-S5VJGLH",ip_address="192.168.0.23",infected_file="F:\code\pythonProject\certverify\test\LineLauncher.exe",signature_hash="sha256",serial_number="0d424ae0be3a88ff604021ce1400f0dd",thumbprint="b3109006bc0ad98307915729e04403415c83e3292b614f26964c8d3571ecf5a9",subject_name="DigiCert Timestamp 2021",issuer_name="DigiCert SHA2 Assured ID Timestamping CA",file_created_at="2023-03-03 23:20:42",file_modified_at="2022-03-10 18:00:10" datetime="2023-03-06 20:33:45",scan_id="033976ae-46cb-4c2e-a357-734353f7e09a",os_version="Windows",hostname="DESKTOP-S5VJGLH",ip_address="192.168.0.23",infected_file="F:\code\pythonProject\certverify\test\LineUpdater.exe",signature_hash="sha256",serial_number="0d424ae0be3a88ff604021ce1400f0dd",thumbprint="b3109006bc0ad98307915729e04403415c83e3292b614f26964c8d3571ecf5a9",subject_name="DigiCert Timestamp 2021",issuer_name="DigiCert SHA2 Assured ID Timestamping CA",file_created_at="2023-03-03 23:20:42",file_modified_at="2022-04-06 10:06:28" datetime="2023-03-06 20:33:46",scan_id="033976ae-46cb-4c2e-a357-734353f7e09a",os_version="Windows",hostname="DESKTOP-S5VJGLH",ip_address="192.168.0.23",infected_file="F:\code\pythonProject\certverify\test\TWOD_Launcher.exe",signature_hash="sha256",serial_number="073637b724547cd847acfd28662a5e5b",thumbprint="281734d4592d1291d27190709cb510b07e22c405d5e0d6119b70e73589f98acf",subject_name="DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA",issuer_name="DigiCert Trusted Root G4",file_created_at="2023-03-03 23:20:42",file_modified_at="2022-04-07 09:14:08" datetime="2023-03-06 20:33:47",scan_id="033976ae-46cb-4c2e-a357-734353f7e09a",os_version="Windows",hostname="DESKTOP-S5VJGLH",ip_address="192.168.0.23",infected_file="F:\code\pythonProject\certverify\test\VBoxSup.sys",signature_hash="sha256",serial_number="2f451139512f34c8c528b90bca471f767b83c836",thumbprint="3aa166713331d894f240f0931955f123873659053c172c4b22facd5335a81346",subject_name="VirtualBox for Legacy Windows Only Timestamp Kludge 2014",issuer_name="VirtualBox for Legacy Windows Only Timestamp CA",file_created_at="2023-03-03 23:20:43",file_modified_at="2022-10-11 08:11:56"
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