Detection rules › Sigma

Octopus Scanner Malware

Severity
high
Author
NVISO
Source
upstream

Detects Octopus Scanner Malware.

MITRE ATT&CK coverage

TacticTechniques
Initial AccessT1195 Supply Chain Compromise, T1195.001 Supply Chain Compromise: Compromise Software Dependencies and Development Tools

Event coverage

ProviderEvent IDTitle
Sysmon11FileCreate

Stages and Predicates

Stage 1: selection

or:
TargetFilename|endswith: '\AppData\Local\Microsoft\Cache134.dat'
TargetFilename|endswith: '\AppData\Local\Microsoft\ExplorerSync.db'

Indicators

Each row is a field, operator, and value that the rule matches. The corpus column counts how many other rules in the catalog look for the same combination: high numbers point to widely-used, community-vetted indicators. Blank or 1 shows that the indicator is specific to this rule.

FieldKindValues
TargetFilenameends_with
  • \AppData\Local\Microsoft\Cache134.dat
  • \AppData\Local\Microsoft\ExplorerSync.db