Suspicious RMM Installer Executed from AppData Roaming Installer Directory

ATT&CK techniques

C2

Recon
Resource Dev
Initial Access
Execution
Persistence
Priv Esc
Defense Evasion
Cred Access
Discovery
Lateral Movement
Collection
C2
- T1219Remote Access Tools
Exfiltration
Impact

What it detects

This rule detects msiexec installing an MSI from a user AppData Roaming Installer directory, matching the rogue ScreenConnect payload masquerading as LogmeinClient.msi in a Qilin ransomware intrusion. Attackers deploy remote monitoring tools from user-writable paths to maintain covert access. Legitimate RMM installs originate from download or system directories, not roaming profiles.

Reporting behind it

Related detections9 linkedT1219 — drag to rearrange

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Suspicious Quick Assist Remote Tool Launched by Explorer via Nimbus RAT Lure

Suspicious NetSupport client32 Execution from User Writable Path

Malicious NetSupport Client Executed from Masqueraded VMware ProgramData Path

Malicious ScreenConnect Client Installation via Msiexec (via process_creation)

Suspicious RMM Installer Executed from AppData Roaming Installer Directory

Pivot detection · T1219 · 9 related

Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.

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