/
aws_dns_crypto_domain.yml
184 lines (184 loc) · 4.47 KB
/
aws_dns_crypto_domain.yml
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AnalysisType: rule
Description: Identifies clients that may be performing DNS lookups associated with common currency mining pools.
DisplayName: "AWS DNS Crypto Domain"
Enabled: true
Filename: aws_dns_crypto_domain.py
Reports:
MITRE ATT&CK:
- TA0040:T1496
Reference: https://docs.aws.amazon.com/vpc/latest/userguide/flow-logs.html
Severity: High
Tests:
- ExpectedResult: false
Log:
account_id: "0123456789"
answers:
- Class: IN
Rdata: 1.2.3.4
Type: A
query_class: IN
query_name: dynamodb.us-west-2.amazonaws.com
query_timestamp: "2022-06-25 00:27:53"
query_type: A
rcode: NOERROR
region: us-west-2
srcaddr: 5.6.7.8
srcids:
instance: i-0abc234
srcport: "8888"
transport: UDP
version: "1.100000"
vpc_id: vpc-abc123
Name: Non Crypto Query
- ExpectedResult: false
Log:
account_id: "0123456789"
answers:
- Class: IN
Rdata: 1.2.3.4
Type: A
query_class: IN
query_name: dynamodb.us-west-2.amazonaws.com.
query_timestamp: "2022-06-25 00:27:53"
query_type: A
rcode: NOERROR
region: us-west-2
srcaddr: 5.6.7.8
srcids:
instance: i-0abc234
srcport: "8888"
transport: UDP
version: "1.100000"
vpc_id: vpc-abc123
Name: Non Crypto Query Trailing Period
- ExpectedResult: true
Log:
account_id: "0123456789"
answers:
- Class: IN
Rdata: 1.2.3.4
Type: A
query_class: IN
query_name: moneropool.ru
query_timestamp: "2022-06-25 00:27:53"
query_type: A
rcode: NOERROR
region: us-west-2
srcaddr: 5.6.7.8
srcids:
instance: i-0abc234
srcport: "8888"
transport: UDP
version: "1.100000"
vpc_id: vpc-abc123
Name: Crypto Query
- ExpectedResult: true
Log:
account_id: "0123456789"
answers:
- Class: IN
Rdata: 1.2.3.4
Type: A
query_class: IN
query_name: abc.abc.moneropool.ru
query_timestamp: "2022-06-25 00:27:53"
query_type: A
rcode: NOERROR
region: us-west-2
srcaddr: 5.6.7.8
srcids:
instance: i-0abc234
srcport: "8888"
transport: UDP
version: "1.100000"
vpc_id: vpc-abc123
Name: Crypto Query Subdomain
- ExpectedResult: true
Log:
account_id: "0123456789"
answers:
- Class: IN
Rdata: 1.2.3.4
Type: A
query_class: IN
query_name: moneropool.ru.
query_timestamp: "2022-06-25 00:27:53"
query_type: A
rcode: NOERROR
region: us-west-2
srcaddr: 5.6.7.8
srcids:
instance: i-0abc234
srcport: "8888"
transport: UDP
version: "1.100000"
vpc_id: vpc-abc123
Name: Crypto Query Trailing Period
- ExpectedResult: true
Log:
account_id: "0123456789"
answers:
- Class: IN
Rdata: 1.2.3.4
Type: A
query_class: IN
query_name: abc.abc.moneropool.ru.
query_timestamp: "2022-06-25 00:27:53"
query_type: A
rcode: NOERROR
region: us-west-2
srcaddr: 5.6.7.8
srcids:
instance: i-0abc234
srcport: "8888"
transport: UDP
version: "1.100000"
vpc_id: vpc-abc123
Name: Crypto Query Subdomain Trailing Period
- ExpectedResult: true
Log:
account_id: "0123456789"
answers:
- Class: IN
Rdata: 1.2.3.4
Type: A
query_class: IN
query_name: webservicepag.webhop.net
query_timestamp: "2022-06-25 00:27:53"
query_type: A
rcode: NOERROR
region: us-west-2
srcaddr: 5.6.7.8
srcids:
instance: i-0abc234
srcport: "8888"
transport: UDP
version: "1.100000"
vpc_id: vpc-abc123
Name: Checking Against Subdomain IOC
- ExpectedResult: true
Log:
account_id: "0123456789"
answers:
- Class: IN
Rdata: 1.2.3.4
Type: A
query_class: IN
query_name: webservicepag.webhop.net.
query_timestamp: "2022-06-25 00:27:53"
query_type: A
rcode: NOERROR
region: us-west-2
srcaddr: 5.6.7.8
srcids:
instance: i-0abc234
srcport: "8888"
transport: UDP
version: "1.100000"
vpc_id: vpc-abc123
Name: Checking Against Subdomain IOC Trailing Period
DedupPeriodMinutes: 60
LogTypes:
- AWS.VPCDns
RuleID: "AWS.DNS.Crypto.Domain"
Threshold: 1