CSIDB logo
Threat actor

Sinful Site

Attribution profile

Type
Criminal
Location
United States of America
Known incidents
3 incidents
Sources
0 sources
First seen
2020-05-01
Last seen
2020-05-01
Updated
2026-07-30 19:06
Aliases
1 alias

STIX characteristics

Threat actor characteristics are available to members.

Profile narrative

The threat actor is identified as Sinful Site. Public sources associate the actor with the United States of America as its known location. No additional aliases, nationalities, or operational bases are disclosed in the available material. The actor first entered public reporting through a coordinated series of compromises targeting underground hacking forums in May 2020. These events constitute the entirety of the documented activity attributed to Sinful Site at present.

On 2020-05-01 the actor gained unauthorized access to the cybercrime forum SUXX.TO and exfiltrated its user database. The same date saw a comparable intrusion into Sinfulsite.com, where the actor copied the platform’s user records and associated content. Simultaneously, the forum Nulled experienced an unauthorized database extraction that mirrored the methods observed in the other two incidents. In each case the stolen material comprised member conversations, shared files, and potentially sensitive personal data belonging to forum participants. The exfiltrated collections also included malware samples, hacking utilities, leaked datasets, and other illicit assets commonly exchanged within such communities.

Following the intrusions the actor released the aggregated data to public repositories, making it freely downloadable. Breach lookup services subsequently indexed the leaked information, rendering it searchable by anyone with an internet connection. This indexing allowed affected individuals to determine whether their usernames, email addresses, or other details had been compromised. The exposure underscored operational security deficiencies within the targeted underground platforms, highlighting how these hubs for malicious activity can themselves become victims. No further publicly attributed operations, affiliations, state connections, or additional campaigns for Sinful Site are currently documented in the source material.

Incidents

Attributed incidents are available to members.

3 incidents

Sources

Sources available to members: 0 sources.

CSIDB