Threat Actor Profile
High
APT
Description
Suckfly is a China-based threat group that has been active since at least 2014. (Citation: Symantec Suckfly March 2016)
Confidence Score
Known Aliases
Suckfly
Tags
mitre-attack
stix-2.1
intrusion-set
First Seen
Unknown
Last Updated
Unknown
Active Status
ActiveCreated
April 29, 2026
MITRE ATT&CK Techniques (5)
Indicators of Compromise
Loading IOCs…
IOC KQL for Sentinel
STIX Data
{'aliases': ['Suckfly'],
'created': '2017-05-31T21:32:06.777Z',
'created_by_ref': 'identity--c78cb6e5-0c4b-4611-8297-d1b8b55e40b5',
'description': '[Suckfly](https://attack.mitre.org/groups/G0039) is a '
'China-based threat group that has been active since at least '
'2014. (Citation: Symantec Suckfly March 2016)',
'external_references': [{'external_id': 'G0039',
'source_name': 'mitre-attack',
'url': 'https://attack.mitre.org/groups/G0039'},
{'description': '(Citation: Symantec Suckfly March '
'2016) (Citation: Symantec Suckfly '
'May 2016)',
'source_name': 'Suckfly'},
{'description': 'DiMaggio, J. (2016, March 15). '
'Suckfly: Revealing the secret life '
'of your code signing certificates. '
'Retrieved August 3, 2016.',
'source_name': 'Symantec Suckfly March 2016',
'url': 'http://www.symantec.com/connect/blogs/suckfly-revealing-secret-life-your-code-signing-certificates'},
{'description': 'DiMaggio, J. (2016, May 17). Indian '
'organizations targeted in Suckfly '
'attacks. Retrieved August 3, 2016.',
'source_name': 'Symantec Suckfly May 2016',
'url': 'http://www.symantec.com/connect/blogs/indian-organizations-targeted-suckfly-attacks'}],
'id': 'intrusion-set--5cbe0d3b-6fb1-471f-b591-4b192915116d',
'modified': '2025-04-16T20:37:33.565Z',
'name': 'Suckfly',
'object_marking_refs': ['marking-definition--fa42a846-8d90-4e51-bc29-71d5b4802168'],
'revoked': False,
'spec_version': '2.1',
'type': 'intrusion-set',
'x_mitre_attack_spec_version': '3.2.0',
'x_mitre_deprecated': False,
'x_mitre_domains': ['enterprise-attack'],
'x_mitre_modified_by_ref': 'identity--c78cb6e5-0c4b-4611-8297-d1b8b55e40b5',
'x_mitre_version': '1.1'}