Detectionhightest

Guacamole Two Users Sharing Session Anomaly

Detects suspicious session with two users present

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Open this Sigma rule in the converter with the YAML preloaded and ready for backend selection.

Florian Roth (Nextron Systems)Created Fri Jul 03Updated Sat Nov 271edd77db-0669-4fef-9598-165bda82826dlinux

Log Source

Linuxguacamole

ProductLinux← raw: linux

Serviceguacamole← raw: guacamole

Detection Logic

detection:
    selection:
        - '(2 users now present)'
    condition: selection

False Positives

Unknown

False positive likelihood has not been assessed. Additional context may be needed during triage.

References

MITRE ATT&CK

Tactics

Techniques

Rule Metadata

Rule ID

1edd77db-0669-4fef-9598-165bda82826d

Status

test

Level

high

Type

Detection

Created

Fri Jul 03

Modified

Sat Nov 27

Author

Path

rules/linux/builtin/guacamole/lnx_guacamole_susp_guacamole.yml

Raw Tags

attack.credential-accessattack.t1212