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FIN5 is a financially motivated cybercriminal intrusion set. Its documented tradecraft includes executing automated scripts to scan processes across compromised environments and retrieve the results, supporting automated collection and post-compromise reconnaissance. FIN5 has maintained access by using the FLIPSIDE tool to create a proxy for a backup RDP tunnel. The group has used a customized PsExec variant and credential-access utilities including pwdump and Windows Credential Editor. FIN5 also used SDelete to remove artifacts and hinder detection, demonstrating post-operation cleanup and defense evasion.
Mallory correlates actor tradecraft and target patterns against your stack, your sector, and your geography. See overlap before they land.
Who, where, and (when attributed) which flag flies behind the operation. Pulled from open-source reporting and Mallory's analyst review.
Sectors the actor has been observed targeting.
31 distinct techniques observed across reporting, grouped by tactic. Hover any cell for the evidence excerpt; click through for MITRE's full description.
3 malware families attributed to this actor across reporting.
8 CVEs this actor has used in observed campaigns. 8 of them exploited in the wild.
This analytic identifies potential exploitation attempts of ProxyShell (CVE-2021-34473, CVE-2021-34523, CVE-2021-31207) and ProxyNotShell (CVE-2022-41040, CVE-2022-41082) vulnerabilities in Microsoft Exchange Server.
This analytic identifies potential exploitation attempts of ProxyShell (CVE-2021-34473, CVE-2021-34523, CVE-2021-31207) and ProxyNotShell (CVE-2022-41040, CVE-2022-41082) vulnerabilities in Microsoft Exchange Server.
This analytic identifies potential exploitation attempts of ProxyShell (CVE-2021-34473, CVE-2021-34523, CVE-2021-31207) and ProxyNotShell (CVE-2022-41040, CVE-2022-41082) vulnerabilities in Microsoft Exchange Server.
The following analytic detects attempts to exploit CVE-2022-26134, an unauthenticated remote code execution vulnerability in Confluence... This activity is significant as it allows attackers to execute arbitrary code on the Confluence server without authentication, potentially leading to full system compromise.
This analytic identifies potential exploitation attempts of ProxyShell (CVE-2021-34473, CVE-2021-34523, CVE-2021-31207) and ProxyNotShell (CVE-2022-41040, CVE-2022-41082) vulnerabilities in Microsoft Exchange Server.
3 more CVEs tied to this actor tracked in Mallory.
20 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
FIN5 is listed in the detection's annotations for MITRE ATT&CK technique T1059 (Command and Scripting Interpreter).
Listed as an annotated threat actor associated with the Socat detection; no actor-specific activity is described.
Included only as an annotated threat-actor association; no actor-specific activity is described.
Mentioned only as one of many threat actors associated with the ATT&CK technique/detection annotation for automated collection using Windows dir piped to findstr.
Match sector + geo + tech-stack targeting against your real footprint.
Every observed MITRE ATT&CK technique, grouped by tactic.
Families this actor is known to deploy, with IOCs and behavior.
CVEs this actor has used in known campaigns.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Domains, IPs, and hashes tied to this actor, refreshed continuously.