Suspicious uevent_seqnum.sh USB Data Stealer Script Creation via DISGOMOJI

ATT&CK techniques

Initial Access → Lateral Movement

Recon
Resource Dev
Initial Access
- T1091Replication Through Removable Media
Execution
Persistence
Priv Esc
Defense Evasion
Cred Access
Discovery
Lateral Movement
- T1091Replication Through Removable Media
Collection
C2
Exfiltration
Impact

What it detects

This rule detects creation of the uevent_seqnum.sh script which DISGOMOJI used as a udev-triggered USB data stealer on targeted Linux systems. The script copied files from inserted removable media. Automated USB exfiltration enables data theft from isolated hosts.

Reporting behind it

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Suspicious uevent_seqnum.sh USB Data Stealer Script Creation via DISGOMOJI

Pivot detection · T1091 · 7 related

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