Inside FortiBleed: Reverse Engineering the CyberStrike Harvester Behind a Global FortiGate Credential Factory

Summary FortiBleed is a large-scale credential compromise campaign that targets internet-facing Fortinet FortiGate firewalls and SSL VPN gateways. The campaign does not depend on a malware payload; instead, it uses a credential pipeline that utilizes credential stuffing, password spraying, configuration harvesting, offline cracking, and post-authentication capture processing. While investigating this campaign, we reverse-engineered a recovered … Inside FortiBleed: Reverse Engineering the CyberStrike Harvester Behind a Global FortiGate Credential Factory

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Article Link: Inside FortiBleed: Reverse Engineering the CyberStrike Harvester Behind a Global FortiGate Credential Factory - Arctic Wolf