How I Earned $76,000 From a Single Program on Bugcrowd

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Most hunters jump between programs. New scope drops? They run to it. A hot program trends on Twitter? They pivot. I get it. The excitement of something fresh is real. But the $76,000 I earned did not come from hopping around. It came from committing to one program, staying longer than felt comfortable, and treating the target like a relationship rather than a transaction.

Here is exactly how it happened.

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Choosing the Right Program

Before I touched a single endpoint, I spent time reading the program brief the way you would read a contract. Not just the rules. The signals.

I looked at three things:

Average response time. A program that responds in 3 days is a program that respects your time. Slow triage is demoralizing and kills momentum. Fast response means an active security team, which also means cleaner scope and fewer duplicate issues clogging the queue.

Bounty range. The range told me what the company valued. A wide gap between minimum and maximum reward meant room to find high-impact bugs. I was not looking for a guaranteed $50. I was looking for upside.

In-scope targets. This is where most hunters rush. I read the scope like I was about to sign a lease. Wide scope with live production assets, multiple subdomains, APIs, and mobile? That is not just more surface area. That is more time you can spend on one program without running out of things to explore.

This particular program had all three: quick triage, strong bounty range, and a scope wide enough to spend months on. That combination is rare. When you find it, do not let go.

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Getting Familiar Before Getting Aggressive

I did not open Burp on day one and start fuzzing.

I spent the first few days doing what I call "friendship work." I walked through every functionality manually. I created accounts, completed flows, triggered edge cases, and watched how the application behaved. I read changelogs, watched for updates, and paid attention to how new features were rolled out.

I treated the program like a living thing, because it is. Applications breathe. They update. Features get added, deprecated, modified. The hunter who understands the application's personality will almost always beat the hunter who runs automated scans and calls it recon.

I did manual recon. I mapped the surface area. And then I started testing.

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The Testing Methodology

I started from the authentication layer and worked outward from there.

Authentication leads naturally into session management. Session management leads into access control. Running these in parallel meant I was constantly cross-referencing: does user A's session token behave differently than user B's? Can I use one context to escalate into another?

On every input field, I tried injections. Not just a quick fuzz and move on. I actually read the responses, watched for anomalies, and noted anything that did not match expected behavior.

I ran cross-account testing across every vulnerability class I found. And I checked for denial-of-service conditions at both the service and distributed level. For the first several days, nothing notable came up.

Then I found the endpoint that changed everything.

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The First Real Finding: HTTP Leakage

I came across an endpoint that was not enforcing HTTPS. The domain was the same, but the traffic was not being redirected. When I examined the request, the session token and several sensitive cookies were transmitted in plaintext.

This was not one endpoint. It was seven or eight URLs.

I reported each one individually. Every submission was accepted as P4. Not the highest severity, but real bounties, real acceptance, and more importantly, confirmation that this program rewarded thoroughness.

That gave me the momentum to keep going.

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The Break That Made Me Better

After a few weeks, I hit a wall. Nothing new was surfacing. I was going in circles.

So I stopped.

This is something most hunters either refuse to do or feel guilty about. But stepping away from a target you know well is not quitting. It is reloading.

After two or three days of not looking at the program at all, I came back with different eyes. I started exploring parts of the application I had skimmed over before. And I found forms.

Specifically, I found forms that were vulnerable to email HTML injection. One, then another, then more. Once I recognized the pattern, I knew where to look. Instead of reporting everything at once and giving the company a single fix opportunity, I reported slowly and deliberately. The submissions came back as accepted, non-duplicate, with bounties attached.

Reporting cadence matters. Think about it from the program's perspective: if you dump fifteen related issues in one report, you get one fix. If you document each instance separately, with clear reproduction steps, you give the security team actionable items and you give yourself credit for each one.

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Six Days on Server-Side Template Injection

This was the finding that required the most patience of anything I have done in bug bounty.

I suspected SSTI on a set of inputs. I tried every payload I knew. Different engines, different contexts, different encoding. Day one, nothing. Day two, nothing. Day three, I changed my approach. Days four and five, I went deeper into how the backend was likely structured based on other behaviors I had observed.

Day six, one payload worked.

Six days on a single vulnerability class. That is not normal. That is also why most hunters would have moved on by day two.

The finding was significant. The bounty reflected that.

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The Scope Update That Opened Everything Again

At some point during my engagement with this program, the program owner updated the brief. Something that was previously listed as out of scope was added in.

I caught it because I check program updates regularly. Not weekly. Regularly.

That single change was not just a new target. It was a new opportunity across everything I had already tested.

Because I knew the application well, I did not need to re-learn it. I knew exactly which functionality was likely to be affected by the new scope. I went directly to the relevant forms, the ones I had already mapped months earlier, and injected a payload.

It worked on the first attempt.

Multiple bounties, again, from a target I had been hunting for months. New hunters would have seen an unfamiliar application and spent days ramping up. I spent minutes.

That is what familiarity buys you.

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What the $76,000 Actually Taught Me

The number is real, but the lesson is not about the money.

It is about the compounding value of staying.

Every day I spent on that program, I understood it a little better. Every finding I made, I understood its patterns a little more. Every update I watched, I saw the application evolve. That accumulated knowledge is not transferable to another target, but on this one, it was worth $76,000.

Bug bounty culture celebrates the new. New programs, new CVEs, new tools. But the hunters who build real income are often the ones doing the unglamorous work: going deeper on the same target, coming back after a dry spell, reading the fine print when scope changes.

Consistency is not about working harder. It is about building knowledge that compounds.

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The Principles That Drove This

• Choose programs like you are choosing a long-term project. Response time, bounty range, and scope width are not just metrics. They are quality signals about the relationship you are about to enter.
• • Recon is not a phase. It is a posture. Keep watching the target even when you are not actively testing. Updates, changelog entries, new features: these are opportunities dressed as maintenance.
• • Breaks are part of the methodology. If you are going in circles, step away. Return with fresh eyes. You will see things you could not see before.
• • Slow your reporting down. If you find a pattern, document each instance separately. Be thorough. Give the security team clarity, and give yourself the credit you earned.
• • Scope updates are gold if you are paying attention. The hunter who reads the update email and then opens the application they already know is already ahead of everyone starting from scratch.
• • Patience is not waiting. It is continuing.*There is a difference between waiting for something to happen and methodically working toward a finding. Stay in motion, even when the motion feels slow.

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The $76,000 did not come from a single brilliant insight. It came from choosing well, staying long, learning deeply, and coming back when most people would have moved on.

Find your program. Stay with it. The bounties will come.

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Written by Sharik Khan, known in the community as Anon_Hunter. Currently ranked Top 50 on Bugcrowd, Bugcrowd Ambassador, and Founder of BSides Mussoorie.

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