Detectionlowtest
Network Sniffing - Linux
Network sniffing refers to using the network interface on a system to monitor or capture information sent over a wired or wireless connection. An adversary may place a network interface into promiscuous mode to passively access data in transit over the network, or use span ports to capture a larger amount of data.
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Launch
Timur Zinniatullin, oscd.communityCreated Mon Oct 21Updated Sun Dec 18f4d3748a-65d1-4806-bd23-e25728081d01linux
Log Source
Linuxauditd
ProductLinux← raw: linux
Serviceauditd← raw: auditd
Detection Logic
Detection Logic2 selectors
detection:
selection_1:
type: 'execve'
a0: 'tcpdump'
a1: '-c'
a3|contains: '-i'
selection_2:
type: 'execve'
a0: 'tshark'
a1: '-c'
a3: '-i'
condition: 1 of selection_*False Positives
Legitimate administrator or user uses network sniffing tool for legitimate reasons.
References
MITRE ATT&CK
Techniques
Rule Metadata
Rule ID
f4d3748a-65d1-4806-bd23-e25728081d01
Status
test
Level
low
Type
Detection
Created
Mon Oct 21
Modified
Sun Dec 18
Author
Path
rules/linux/auditd/execve/lnx_auditd_network_sniffing.yml
Raw Tags
attack.credential-accessattack.discoveryattack.t1040