207.57.123.57
C2 Infrastructure CobaltStrike Indicator 207.57.123.57 Type ip Category C2 Infrastructure Family CobaltStrike Hosting NTT America, Inc. Confidence high VT Score 9/94 Source shodan First Seen 2026-08-28 00:00:24 UTC Last Seen 2026-09-04 00:00:58 UTC Shodan View on Shodan ↗
Raw JSON
{
"cobalt_strike_beacon": {
"x86": {
"beacon_type": "HTTPS",
"dns-beacon.strategy_rotate_seconds": -1,
"useragent_header": "Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.2; Win64; x64; Trident/6.0)",
"http-post.client": [
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],
"maxgetsize": 1048576,
"post-ex.spawnto_x86": "%windir%\\syswow64\\rundll32.exe",
"port": 2083,
"sleeptime": 60000,
"uses_cookies": 1,
"proxy.behavior": "2 (Use IE settings)",
"process-inject.execute": [
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"SetThreadContext",
"CreateRemoteThread",
"RtlCreateUserThread"
],
"process-inject.startrwx": 64,
"post-ex.spawnto_x64": "%windir%\\sysnative\\rundll32.exe",
"process-inject.stub": "40ed048138df0b3e23a0ef24dc5efa1a",
"http-get.uri": "blogger.yb6698.com,/api/3",
"watermark": 666666666,
"dns-beacon.strategy_fail_seconds": -1,
"host_header": "Host: blogger.yb6698.com\r\n",
"server.publickey_md5": "ca1c5ee4c6f4451759972387cacad5ac",
"dns-beacon.strategy_fail_x": -1,
"http-post.verb": "POST",
"http-post.uri": "/api/4",
"process-inject.userwx": 64,
"http-get.verb": "GET",
"http-get.client": [
"Host: blogger.yb6698.com",
"Cookie"
]
},
"x64": {
"beacon_type": "HTTPS",
"dns-beacon.strategy_rotate_seconds": -1,
"useragent_header": "Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0)",
"http-post.client": [
"Host: blogger.yb6698.com"
],
"maxgetsize": 1048576,
"post-ex.spawnto_x86": "%windir%\\syswow64\\rundll32.exe",
"port": 2083,
"sleeptime": 60000,
"uses_cookies": 1,
"proxy.behavior": "2 (Use IE settings)",
"process-inject.execute": [
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"SetThreadContext",
"CreateRemoteThread",
"RtlCreateUserThread"
],
"process-inject.startrwx": 64,
"post-ex.spawnto_x64": "%windir%\\sysnative\\rundll32.exe",
"process-inject.stub": "40ed048138df0b3e23a0ef24dc5efa1a",
"http-get.uri": "blogger.yb6698.com,/api/3",
"watermark": 666666666,
"dns-beacon.strategy_fail_seconds": -1,
"host_header": "Host: blogger.yb6698.com\r\n",
"server.publickey_md5": "ca1c5ee4c6f4451759972387cacad5ac",
"dns-beacon.strategy_fail_x": -1,
"http-post.verb": "POST",
"http-post.uri": "/api/4",
"process-inject.userwx": 64,
"http-get.verb": "GET",
"http-get.client": [
"Host: blogger.yb6698.com",
"Cookie"
]
}
},
"ip": 3476650809,
"http": {
"status": 404,
"robots_hash": null,
"redirects": [],
"title_hash": null,
"securitytxt": null,
"title": null,
"sitemap_hash": null,
"robots": null,
"dom_hash": 0,
"components_hash": 0,
"headers_hash": 2129120964,
"host": "207.57.123.57",
"html": "",
"server_hash": null,
"location": "/",
"components": {},
"securitytxt_hash": null,
"headers": {
"date": "Thu, 27 Aug 2026 05:45:26 GMT",
"content-length": "0",
"content-type": "text/plain"
},
"server": null,
"sitemap": null,
"html_hash": 0
},
"port": 2083,
"transport": "tcp",
"cpe23_hash": -527748401,
"location": {
"city": "Englewood",
"region_code": "CO",
"area_code": null,
"longitude": -104.8799,
"latitude": 39.6123,
"country_code": "US",
"country_name": "United States"
},
"product": "Cobalt Strike Beacon",
"hash": -1162670601,
"timestamp": "2026-08-27T05:45:26.204532",
"ssl": {
"chain_sha256": [
"eb6879fd27a20e3b33b88666ff8d527a7f37ab1b542a9cefb198bd464c77ec0d"
],
"jarm": "28d28d28d00028d00042d42d00042de0d120da90d5910c5de2af43b74a6bd8",
"tlsext": [
{
"id": 43,
"name": "supported_versions"
},
{
"id": 51,
"name": "key_share"
},
{
"id": 10,
"name": "supported_groups"
}
],
"chain": [
"-----BEGIN CERTIFICATE-----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\nnXY8E+/fabCWAUEwN8c0yuovZc6jTIOzAzz5Wp2AaQ==\n-----END CERTIFICATE-----\n"
],
"versions": [],
"acceptable_cas": [],
"alpn": [],
"cert": {
"sig_alg": "ecdsa-with-SHA256",
"issued": "20260716133200Z",
"expires": "20280715133200Z",
"pubkey": {
"bits": 256,
"type": "dsa"
},
"version": 2,
"extensions": [
{
"critical": true,
"data": "\\x03\\x02\\x05\\xa0",
"name": "keyUsage"
},
{
"data": "0\\x14\\x06\\x08+\\x06\\x01\\x05\\x05\\x07\\x03\\x02\\x06\\x08+\\x06\\x01\\x05\\x05\\x07\\x03\\x01",
"name": "extendedKeyUsage"
},
{
"critical": true,
"data": "0\\x00",
"name": "basicConstraints"
},
{
"data": "\\x04\\x14|\\th\\x04\\x84\\x8c\\xb0&\\xb8\\xc6\\xfe.\\xf63\\xf8\\xb5f\\x14s\\xba",
"name": "subjectKeyIdentifier"
},
{
"data": "0\\x16\\x80\\x14\\x850];*p\\xd4\\xed\\xd5\\x92g\\x07\\xfd\\xeb9\\xb4\\x1a\\x0e8\\xa7",
"name": "authorityKeyIdentifier"
},
{
"data": "0604\\x06\\x08+\\x06\\x01\\x05\\x05\\x070\\x01\\x86(http://ocsp.cloudflare.com/origin_ecc_ca",
"name": "authorityInfoAccess"
},
{
"data": "0\\x14\\x82\\x12blogger.yb6698.com",
"name": "subjectAltName"
},
{
"data": "0301\\xa0/\\xa0-\\x86+http://crl.cloudflare.com/origin_ecc_ca.crl",
"name": "crlDistributionPoints"
}
],
"fingerprint": {
"sha256": "eb6879fd27a20e3b33b88666ff8d527a7f37ab1b542a9cefb198bd464c77ec0d",
"sha1": "72db24f61229e5e3e87204d51a072503cd2cc7cc"
},
"serial": 5.3076302797289955e+47,
"issuer": {
"C": "US",
"ST": "California",
"OU": "CloudFlare Origin SSL ECC Certificate Authority",
"O": "CloudFlare, Inc.",
"L": "San Francisco"
},
"expired": false,
"subject": {
"OU": "CloudFlare Origin CA",
"CN": "CloudFlare Origin Certificate",
"O": "CloudFlare, Inc."
}
},
"cipher": {
"version": "TLSv1.3",
"bits": 256,
"name": "TLS_AES_256_GCM_SHA384"
},
"trust": {
"revoked": false,
"browser": null
},
"handshake_states": [
"before SSL initialization",
"SSLv3/TLS write client hello",
"SSLv3/TLS read server hello",
"TLSv1.3 read encrypted extensions",
"SSLv3/TLS read server certificate",
"TLSv1.3 read server certificate verify",
"SSLv3/TLS read finished",
"SSLv3/TLS write change cipher spec",
"SSLv3/TLS write finished",
"SSL negotiation finished successfully"
],
"ja3s": "f03a69cfa3944d6d51bc52febd87a1a8",
"ocsp": {}
},
"hostnames": [
"blogger.yb6698.com"
],
"org": "NTT America, Inc.",
"data": "HTTP/1.1 404 Not Found\r\nDate: Thu, 27 Aug 2026 05:45:26 GMT\r\nContent-Type: text/plain\r\nContent-Length: 0\r\n\r\n\nCobalt Strike Beacon:\n x86:\n beacon_type: HTTPS\n dns-beacon.strategy_fail_seconds: -1\n dns-beacon.strategy_fail_x: -1\n dns-beacon.strategy_rotate_seconds: -1\n host_header: Host: blogger.yb6698.com\r\n\n http-get.client:\n Host: blogger.yb6698.com\n Cookie\n http-get.uri: blogger.yb6698.com,/api/3\n http-get.verb: GET\n http-post.client:\n Host: blogger.yb6698.com\n http-post.uri: /api/4\n http-post.verb: POST\n maxgetsize: 1048576\n port: 2083\n post-ex.spawnto_x64: %windir%\\sysnative\\rundll32.exe\n post-ex.spawnto_x86: %windir%\\syswow64\\rundll32.exe\n process-inject.execute:\n CreateThread\n SetThreadContext\n CreateRemoteThread\n RtlCreateUserThread\n process-inject.startrwx: 64\n process-inject.stub: 40ed048138df0b3e23a0ef24dc5efa1a\n process-inject.userwx: 64\n proxy.behavior: 2 (Use IE settings)\n server.publickey_md5: ca1c5ee4c6f4451759972387cacad5ac\n sleeptime: 60000\n useragent_header: Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.2; Win64; x64; Trident/6.0)\n uses_cookies: 1\n watermark: 666666666\n x64:\n beacon_type: HTTPS\n dns-beacon.strategy_fail_seconds: -1\n dns-beacon.strategy_fail_x: -1\n dns-beacon.strategy_rotate_seconds: -1\n host_header: Host: blogger.yb6698.com\r\n\n http-get.client:\n Host: blogger.yb6698.com\n Cookie\n http-get.uri: blogger.yb6698.com,/api/3\n http-get.verb: GET\n http-post.client:\n Host: blogger.yb6698.com\n http-post.uri: /api/4\n http-post.verb: POST\n maxgetsize: 1048576\n port: 2083\n post-ex.spawnto_x64: %windir%\\sysnative\\rundll32.exe\n post-ex.spawnto_x86: %windir%\\syswow64\\rundll32.exe\n process-inject.execute:\n CreateThread\n SetThreadContext\n CreateRemoteThread\n RtlCreateUserThread\n process-inject.startrwx: 64\n process-inject.stub: 40ed048138df0b3e23a0ef24dc5efa1a\n process-inject.userwx: 64\n proxy.behavior: 2 (Use IE settings)\n server.publickey_md5: ca1c5ee4c6f4451759972387cacad5ac\n sleeptime: 60000\n useragent_header: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0)\n uses_cookies: 1\n watermark: 666666666\n",
"asn": "AS2914",
"cpe23": [
"cpe:2.3:a:helpsystems:cobalt_strike"
],
"isp": "NTT America, Inc.",
"cpe": [
"cpe:/a:helpsystems:cobalt_strike"
],
"domains": [
"yb6698.com"
],
"ip_str": "207.57.123.57",
"os": null,
"_shodan": {
"region": "na",
"module": "https-simple-new",
"ptr": true,
"options": {},
"id": "1d76744d-abc5-422f-b6ff-addb2d349144",
"crawler": "dc86bd776edfc1420af53c1d29fdb3264a4c42c0"
}
}