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Network-Acl

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high advisory

AWS Network ACL Created with All Ports Open

An AWS Network Access Control List (ACL) is created with all ports open, potentially exposing resources to unrestricted network access.

Network ACL +1 cloud aws
2r 1t
medium advisory

AWS Network ACL Deletion Detection

Detection of AWS Network Access Control List (ACL) deletion via CloudTrail logs, potentially indicating malicious attempts to bypass network security controls and gain unauthorized access.

AWS cloudtrail network acl defense-evasion
2r 1t
high advisory

AWS Network ACL Deletion Detected

Detection of AWS Network Access Control List (ACL) deletion via CloudTrail logs indicating potential unauthorized access or data exfiltration.

AWS CloudTrail +3 cloud aws network-acl privilege-escalation
2r
high advisory

AWS Network Access Control List Deletion Detected

Detection of AWS Network Access Control List (ACL) deletion events via CloudTrail logs indicates a potential attempt to weaken network security controls.

AWS Network Access Control List aws cloudtrail network-acl defense-evasion
3r 1t
high advisory

AWS Network Access Control List Created with All Open Ports

An AWS Network Access Control List (NACL) configured to allow all ports and protocols, potentially exposing resources to unauthorized access.

AWS Network Access Control List cloud aws network-acl misconfiguration
2r 1t
high advisory

AWS Network ACL Created with All Ports Open

The analytic detects the creation or replacement of AWS Network Access Control Lists (ACLs) with rules that allow all traffic from a specified CIDR block, potentially exposing the network to unauthorized access and increasing the risk of data breaches.

CloudTrail +5 aws network-acl misconfiguration cloud security-group
2r
high advisory

AWS Network Access Control List Created with All Open Ports

The analytic detects the creation of AWS Network Access Control Lists (ACLs) with all ports open to a specified CIDR by monitoring `CreateNetworkAclEntry` or `ReplaceNetworkAclEntry` actions with rules allowing all traffic, potentially leading to unauthorized network access.

Splunk Enterprise +3 cloud aws network-acl misconfiguration
2r
low advisory

AWS EC2 Network Access Control List Creation

The rule detects the creation of an AWS EC2 network access control list (ACL) or an entry in a network ACL with a specified rule number, which adversaries may exploit to establish persistence or defense evasion by creating permissive rules.

Amazon EC2 cloud aws ec2 network-acl persistence defense-evasion
2r 3t