Detection rules › Sigma

SyncAppvPublishingServer Execute Arbitrary PowerShell Code

Severity
medium
Author
frack113
Source
upstream

Executes arbitrary PowerShell code using SyncAppvPublishingServer.exe.

MITRE ATT&CK coverage

TacticTechniques
Defense EvasionT1218 System Binary Proxy Execution

Event coverage

ProviderEvent IDTitle
Sysmon1Process creation

Stages and Predicates

Stage 1: all of selection_img

or:
Image|endswith: '\SyncAppvPublishingServer.exe'
OriginalFileName: syncappvpublishingserver.exe

Stage 2: all of selection_cli

CommandLine|contains: '"n; '

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
CommandLinematch
  • "n;
Imageends_with
  • \SyncAppvPublishingServer.exe
OriginalFileNameeq
  • syncappvpublishingserver.exe