Thursday, June 12, 2025

DanaBleed: DanaBot C2 Server Memory Leak Bug

A few years ago while at Zscaler I wrote a blog post about a memory leak bug in Danabot's C2 server. It was a really interesting way to get a behind scenes look at a large malware-as-a-service offering and its users.

We left the post unpublished and on standby for when and if the bug was ever fixed. In early 2025 the developer fixed the bug. A few months later Danabot's Maas was taken down by law enforcement.

Given those two events, the ThreatLabz team decided to dust off and update the old blog post: DanaBleed: DanaBot C2 Server Memory Leak Bug.

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