Rule Library

Sigma Rules

8 rules found for "Alexandr Yampolskyi"

3,707Total
3,116Detection
451Emerging
137Hunting
Detectionlowstable

Cleartext Protocol Usage

Ensure that all account usernames and authentication credentials are transmitted across networks using encrypted channels. Ensure that an encryption is used for all sensitive information in transit. Ensure that an encrypted channels is used for all administrative account access.

Firewall
TA0006 · Credential Access
Alexandr Yampolskyi+2Tue Mar 26network
Detectionlowstable

A Member Was Added to a Security-Enabled Global Group

Detects activity when a member is added to a security-enabled global group

Windowssecurity
TA0004 · Privilege EscalationTA0003 · PersistenceT1098 · Account Manipulation
Alexandr Yampolskyi+1Wed Apr 26windows
Detectionlowstable

A Member Was Removed From a Security-Enabled Global Group

Detects activity when a member is removed from a security-enabled global group

Windowssecurity
TA0004 · Privilege EscalationTA0003 · PersistenceT1098 · Account Manipulation
Alexandr Yampolskyi+1Wed Apr 26windows
Detectionlowstable

A Security-Enabled Global Group Was Deleted

Detects activity when a security-enabled global group is deleted

Windowssecurity
TA0004 · Privilege EscalationTA0003 · PersistenceT1098 · Account Manipulation
Alexandr Yampolskyi+1Wed Apr 26windows
Detectioninformationalstable

Locked Workstation

Detects locked workstation session events that occur automatically after a standard period of inactivity.

Windowssecurity
TA0040 · Impact
Alexandr Yampolskyi+1Tue Mar 26windows
Compliancelowstable

Cleartext Protocol Usage Via Netflow

Ensure that all account usernames and authentication credentials are transmitted across networks using encrypted channels Ensure that an encryption is used for all sensitive information in transit. Ensure that an encrypted channels is used for all administrative account access.

netflow
TA0006 · Credential Access
Alexandr Yampolskyi+1Tue Mar 26other
Compliancemediumexperimental

Default Credentials Usage

Before deploying any new asset, change all default passwords to have values consistent with administrative level accounts. Sigma detects default credentials usage. Sigma for Qualys vulnerability scanner. Scan type - Vulnerability Management.

qualys
TA0001 · Initial Access
Alexandr Yampolskyi+1Tue Mar 26product
Compliancelowexperimental

Host Without Firewall

Host Without Firewall. Alert means not complied. Sigma for Qualys vulnerability scanner. Scan type - Vulnerability Management.

qualys
Alexandr Yampolskyi+1Tue Mar 19product