Sigma rule: Antivirus - Remote Access Tools Signature

Rule

Title

Antivirus - Remote Access Tools Signature

Status

experimental

Level

critical

Author

Arnim Rupp (Nextron Systems)

Date

2026-06-15

File

rules/category/antivirus/av_remote_access_toolkit.yml

Commit

ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects a highly relevant Antivirus alert that reports a remote access tool.
This event must not be ignored just because the AV has blocked the malware but investigate, how it came there in the first place.

Log source

category

antivirus

Detection

selection:
    Signature|contains:
        - 'AgentB'
        - 'AgentTesla'
        - 'AMRat'
        - 'Ammyy'
        - 'AsyncRAT'
        - 'Bandook'
        - 'Bitrat'
        - 'Bladabindi'
        - 'Connectwise'
        - 'CyberGate'
        - 'DarkComet'
        - 'DCrat'
        - 'Delf'
        - 'DokStorm'
        - 'Egairtigado'
        - 'Gh0st'
        - 'Gorat'
        - 'GodRat'
        - 'Jalapeno'
        - 'LummaC2'
        - 'Minirat'
        - 'Netwire'
        - 'NanoCore'
        - 'NJRat'
        - 'Paralax'
        - 'PlugX'
        - 'Pulsar'
        - 'Quasar'
        - 'Remcos'
        - 'Ravartar'
        - 'RemoteAdmin'
        - 'RemoteTool'
        - 'revengeRAT'
        - 'rokRAT'
        - 'salatstealer'
        - 'Salgorea'
        - 'SmokedHam'
        - 'TigerRat'
        - 'Tzeebot'
        - 'WarZone'
        - 'VenomRAT'
        - 'Vidar'
        - 'Wirenet'
        - 'XWorm'
        - 'Zapchast'
        - 'Zegost'
condition: selection

False positives (as the rule lists them)

• Unlikely

Tags

• attack.execution
• attack.t1203
• attack.command-and-control
• attack.t1219.002

MITRE ATT&CK ids this rule names

• T1203
• T1219.002

References

• https://www.nextron-systems.com/?s=antivirus
• https://www.virustotal.com/gui/file/d9669f7e3eb3a9cdf6a750eeb2ba303b5ae148a43e36546896f1d1801e912466

Read on 2026-11-03T00:58:21.399Z under licence sigma-drl-1.1@d5f4c36a from https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/category/antivirus/av_remote_access_toolkit.yml