138.252.81.168
C2 Infrastructure CobaltStrike Indicator 138.252.81.168 Type ip Category C2 Infrastructure Family CobaltStrike Confidence high VT Score 9/94 Source shodan First Seen 2026-04-18 05:03:23 UTC Last Seen 2026-04-18 05:03:23 UTC Shodan View on Shodan ↗
Raw JSON
{
"hash": 246789617,
"cobalt_strike_beacon": {
"x86": {
"beacon_type": "HTTP",
"jitter": 31,
"dns-beacon.strategy_rotate_seconds": -1,
"useragent_header": "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:59.0) Gecko/20100101 Firefox/59.0",
"http-post.client": [
"Accept: text/html, application/json, application/xhtml+xml",
"Accept-Language: uk",
"Accept-Encoding: gzip, br",
"_ATLCBXBH"
],
"maxgetsize": 16793080,
"process-inject.min_alloc": 9053,
"post-ex.spawnto_x86": "%windir%\\syswow64\\werfault.exe",
"port": 10031,
"sleeptime": 3000,
"uses_cookies": 1,
"proxy.behavior": "2 (Use IE settings)",
"process-inject.execute": [
"ntdll:RtlUserThreadStart",
"NtQueueApcThread-s",
"SetThreadContext",
"CreateRemoteThread",
"kernel32.dll:LoadLibraryA",
"RtlCreateUserThread"
],
"process-inject.startrwx": 4,
"post-ex.spawnto_x64": "%windir%\\sysnative\\svchost.exe -k wksvc",
"process-inject.stub": "ae5afcfee8026674dc8f3b4f2da46c7f",
"http-get.uri": "103.82.53.35,/User/register/Server/cp/apiv2/HPI4Z1CN5X9ISN",
"watermark": 987654321,
"dns-beacon.strategy_fail_seconds": -1,
"server.publickey_md5": "51313c7b01266a4462f8686967a5e804",
"dns-beacon.strategy_fail_x": -1,
"stage.cleanup": 1,
"http-post.verb": "POST",
"http-post.uri": "/User/Produce/Server/backdoor/apiv2/WG9V4VG9GV8JTT5",
"process-inject.userwx": 32,
"http-get.verb": "GET",
"http-get.client": [
"Accept: application/xhtml+xml, text/html, application/json",
"Accept-Language: cy",
"Accept-Encoding: br, *",
"secure_id_O98WDSCR2S2Z9KXRNQMCGW4=",
"Cookie"
]
},
"x64": {
"beacon_type": "HTTP",
"jitter": 31,
"dns-beacon.strategy_rotate_seconds": -1,
"useragent_header": "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:59.0) Gecko/20100101 Firefox/59.0",
"http-post.client": [
"Accept: text/html, application/json, application/xhtml+xml",
"Accept-Language: uk",
"Accept-Encoding: gzip, br",
"_ATLCBXBH"
],
"maxgetsize": 16793080,
"process-inject.min_alloc": 9053,
"post-ex.spawnto_x86": "%windir%\\syswow64\\werfault.exe",
"port": 10031,
"sleeptime": 3000,
"uses_cookies": 1,
"proxy.behavior": "2 (Use IE settings)",
"process-inject.execute": [
"ntdll:RtlUserThreadStart",
"NtQueueApcThread-s",
"SetThreadContext",
"CreateRemoteThread",
"kernel32.dll:LoadLibraryA",
"RtlCreateUserThread"
],
"process-inject.startrwx": 4,
"post-ex.spawnto_x64": "%windir%\\sysnative\\svchost.exe -k wksvc",
"process-inject.stub": "ae5afcfee8026674dc8f3b4f2da46c7f",
"http-get.uri": "103.82.53.35,/User/register/Server/cp/apiv2/HPI4Z1CN5X9ISN",
"watermark": 987654321,
"dns-beacon.strategy_fail_seconds": -1,
"server.publickey_md5": "51313c7b01266a4462f8686967a5e804",
"dns-beacon.strategy_fail_x": -1,
"stage.cleanup": 1,
"http-post.verb": "POST",
"http-post.uri": "/User/Produce/Server/backdoor/apiv2/WG9V4VG9GV8JTT5",
"process-inject.userwx": 32,
"http-get.verb": "GET",
"http-get.client": [
"Accept: application/xhtml+xml, text/html, application/json",
"Accept-Language: cy",
"Accept-Encoding: br, *",
"secure_id_O98WDSCR2S2Z9KXRNQMCGW4=",
"Cookie"
]
}
},
"product": "Cobalt Strike Beacon",
"http": {
"status": 404,
"robots_hash": null,
"redirects": [],
"title_hash": null,
"securitytxt": null,
"title": null,
"sitemap_hash": null,
"robots": null,
"dom_hash": 0,
"headers_hash": -1392026739,
"host": "138.252.81.168",
"html": "",
"server_hash": 1156427323,
"location": "/",
"components": {},
"securitytxt_hash": null,
"server": "CloundFront",
"sitemap": null,
"html_hash": 0
},
"os": null,
"transport": "tcp",
"timestamp": "2026-04-16T17:28:22.843780",
"isp": null,
"cpe23": [
"cpe:2.3:a:helpsystems:cobalt_strike"
],
"cpe": [
"cpe:/a:helpsystems:cobalt_strike"
],
"_shodan": {
"region": "na",
"crawler": "7b501725715d33cda563c0465bb3001da0cfdd2c",
"options": {},
"module": "auto",
"id": "c9ff8f72-a372-434b-b495-5bcbf536e934"
},
"hostnames": [],
"location": {
"city": "Hong Kong",
"region_code": "",
"area_code": null,
"longitude": 114.17469,
"latitude": 22.27832,
"country_code": "HK",
"country_name": "Hong Kong"
},
"ip": 2331791784,
"domains": [],
"org": null,
"data": "HTTP/1.1 404 Not Found\r\nDate: Thu, 16 Apr 2026 17:28:22 GMT\r\nServer: CloundFront\r\nContent-Length: 0\r\nKeep-Alive: timeout=10, max=100\r\nConnection: Keep-Alive\r\nContent-Type: text/plain\r\n\r\n\nCobalt Strike Beacon:\n x86:\n beacon_type: HTTP\n dns-beacon.strategy_fail_seconds: -1\n dns-beacon.strategy_fail_x: -1\n dns-beacon.strategy_rotate_seconds: -1\n http-get.client:\n Accept: application/xhtml+xml, text/html, application/json\n Accept-Language: cy\n Accept-Encoding: br, *\n secure_id_O98WDSCR2S2Z9KXRNQMCGW4=\n Cookie\n http-get.uri: 103.82.53.35,/User/register/Server/cp/apiv2/HPI4Z1CN5X9ISN\n http-get.verb: GET\n http-post.client:\n Accept: text/html, application/json, application/xhtml+xml\n Accept-Language: uk\n Accept-Encoding: gzip, br\n _ATLCBXBH\n http-post.uri: /User/Produce/Server/backdoor/apiv2/WG9V4VG9GV8JTT5\n http-post.verb: POST\n jitter: 31\n maxgetsize: 16793080\n port: 10031\n post-ex.spawnto_x64: %windir%\\sysnative\\svchost.exe -k wksvc\n post-ex.spawnto_x86: %windir%\\syswow64\\werfault.exe\n process-inject.execute:\n ntdll:RtlUserThreadStart\n NtQueueApcThread-s\n SetThreadContext\n CreateRemoteThread\n kernel32.dll:LoadLibraryA\n RtlCreateUserThread\n process-inject.min_alloc: 9053\n process-inject.startrwx: 4\n process-inject.stub: ae5afcfee8026674dc8f3b4f2da46c7f\n process-inject.userwx: 32\n proxy.behavior: 2 (Use IE settings)\n server.publickey_md5: 51313c7b01266a4462f8686967a5e804\n sleeptime: 3000\n stage.cleanup: 1\n useragent_header: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:59.0) Gecko/20100101 Firefox/59.0\n uses_cookies: 1\n watermark: 987654321\n x64:\n beacon_type: HTTP\n dns-beacon.strategy_fail_seconds: -1\n dns-beacon.strategy_fail_x: -1\n dns-beacon.strategy_rotate_seconds: -1\n http-get.client:\n Accept: application/xhtml+xml, text/html, application/json\n Accept-Language: cy\n Accept-Encoding: br, *\n secure_id_O98WDSCR2S2Z9KXRNQMCGW4=\n Cookie\n http-get.uri: 103.82.53.35,/User/register/Server/cp/apiv2/HPI4Z1CN5X9ISN\n http-get.verb: GET\n http-post.client:\n Accept: text/html, application/json, application/xhtml+xml\n Accept-Language: uk\n Accept-Encoding: gzip, br\n _ATLCBXBH\n http-post.uri: /User/Produce/Server/backdoor/apiv2/WG9V4VG9GV8JTT5\n http-post.verb: POST\n jitter: 31\n maxgetsize: 16793080\n port: 10031\n post-ex.spawnto_x64: %windir%\\sysnative\\svchost.exe -k wksvc\n post-ex.spawnto_x86: %windir%\\syswow64\\werfault.exe\n process-inject.execute:\n ntdll:RtlUserThreadStart\n NtQueueApcThread-s\n SetThreadContext\n CreateRemoteThread\n kernel32.dll:LoadLibraryA\n RtlCreateUserThread\n process-inject.min_alloc: 9053\n process-inject.startrwx: 4\n process-inject.stub: ae5afcfee8026674dc8f3b4f2da46c7f\n process-inject.userwx: 32\n proxy.behavior: 2 (Use IE settings)\n server.publickey_md5: 51313c7b01266a4462f8686967a5e804\n sleeptime: 3000\n stage.cleanup: 1\n useragent_header: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:59.0) Gecko/20100101 Firefox/59.0\n uses_cookies: 1\n watermark: 987654321\n",
"port": 10031,
"ip_str": "138.252.81.168"
}