Detection rules › Sigma

Renamed NetSupport RAT Execution

Severity
high
Author
Nasreddine Bencherchali (Nextron Systems)
Source
upstream

Detects the execution of a renamed "client32.exe" (NetSupport RAT) via Imphash, Product and OriginalFileName strings

Event coverage

ProviderEvent IDTitle
Sysmon1Process creation

Stages and Predicates

Stage 1: selection

or:
Hashes|contains: 'IMPHASH=A9D50692E95B79723F3E76FCF70D023E'
OriginalFileName|contains: client32.exe
Product|contains: 'NetSupport Remote Control'

Stage 2: not filter

Image|endswith: '\client32.exe'

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
Hashesmatch
  • IMPHASH=A9D50692E95B79723F3E76FCF70D023E
Imageends_with
  • \client32.exe corpus 2 (sigma 2)
OriginalFileNamematch
  • client32.exe corpus 2 (sigma 2)
Productmatch
  • NetSupport Remote Control corpus 2 (sigma 2)